diff --git a/.gitignore b/.gitignore
index b39f2801..83bce537 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,6 +8,5 @@ tools/munin/windshaft.conf
 logs/
 pids/
 redis.pid
-test.log
-npm-debug.log
+*.log
 coverage/
diff --git a/lib/cartodb/backends/template_maps.js b/lib/cartodb/backends/template_maps.js
index bb728181..75a482fe 100644
--- a/lib/cartodb/backends/template_maps.js
+++ b/lib/cartodb/backends/template_maps.js
@@ -296,7 +296,7 @@ TemplateMaps.prototype.delTemplate = function(owner, tpl_id, callback) {
 // @param callback function(err)
 //
 TemplateMaps.prototype.updTemplate = function(owner, tpl_id, template, callback) {
-    
+
     var self = this;
 
     template = templateDefaults(template);
@@ -430,13 +430,17 @@ var _reNumber = /^([-+]?[\d\.]?\d+([eE][+-]?\d+)?)$/,
     _reCSSColorVal = /^#[0-9a-fA-F]{3,6}$/;
 
 function _replaceVars (str, params) {
-  //return _.template(str, params); // lazy way, possibly dangerous
-  // Construct regular expressions for each param
+    // Construct regular expressions for each param
     Object.keys(params).forEach(function(k) {
         str = str.replace(new RegExp("<%=\\s*" + k + "\\s*%>", "g"), params[k]);
     });
     return str;
 }
+
+function isObject(val) {
+    return ( _.isObject(val) && !_.isArray(val) && !_.isFunction(val));
+}
+
 TemplateMaps.prototype.instance = function(template, params) {
   var all_params = {};
   var phold = template.placeholders || {};
@@ -474,6 +478,13 @@ TemplateMaps.prototype.instance = function(template, params) {
 
   // NOTE: we're deep-cloning the layergroup here
   var layergroup = JSON.parse(JSON.stringify(template.layergroup));
+
+  if (layergroup.buffersize && isObject(layergroup.buffersize)) {
+      Object.keys(layergroup.buffersize).forEach(function(k) {
+        layergroup.buffersize[k] = parseInt(_replaceVars(layergroup.buffersize[k], all_params), 10);
+      });
+  }
+
   for (var i=0; i<layergroup.layers.length; ++i) {
     var lyropt = layergroup.layers[i].options;
 
diff --git a/lib/cartodb/controllers/layergroup.js b/lib/cartodb/controllers/layergroup.js
index 79268d6e..e0c7a7a3 100644
--- a/lib/cartodb/controllers/layergroup.js
+++ b/lib/cartodb/controllers/layergroup.js
@@ -253,7 +253,9 @@ LayergroupController.prototype.finalizeGetTileOrGrid = function(err, req, res, t
         grid_json: true,
         json_torque: true,
         torque_json: true,
-        png: true
+        png: true,
+        png32: true,
+        mvt: true
     };
 
     var formatStat = 'invalid';
diff --git a/lib/cartodb/models/mapconfig/adapter/mapconfig-buffer-size-adapter.js b/lib/cartodb/models/mapconfig/adapter/mapconfig-buffer-size-adapter.js
new file mode 100644
index 00000000..3296d0ea
--- /dev/null
+++ b/lib/cartodb/models/mapconfig/adapter/mapconfig-buffer-size-adapter.js
@@ -0,0 +1,21 @@
+function MapConfigBufferSizeAdapter() {
+    this.formats = ['png', 'png32', 'mvt', 'grid.json'];
+}
+
+module.exports = MapConfigBufferSizeAdapter;
+
+MapConfigBufferSizeAdapter.prototype.getMapConfig = function (user, requestMapConfig, params, context, callback) {
+    if (!context.templateParams || !context.templateParams.buffersize) {
+        return callback(null, requestMapConfig);
+    }
+
+    this.formats.forEach(function (format) {
+        if (Number.isFinite(context.templateParams.buffersize[format])) {
+            requestMapConfig.buffersize[format] = context.templateParams.buffersize[format];
+        }
+    });
+
+    setImmediate(function () {
+        callback(null, requestMapConfig);
+    });
+};
diff --git a/lib/cartodb/models/mapconfig/adapter/mapconfig-named-layers-adapter.js b/lib/cartodb/models/mapconfig/adapter/mapconfig-named-layers-adapter.js
index fd00e344..17c2059f 100644
--- a/lib/cartodb/models/mapconfig/adapter/mapconfig-named-layers-adapter.js
+++ b/lib/cartodb/models/mapconfig/adapter/mapconfig-named-layers-adapter.js
@@ -43,7 +43,6 @@ MapConfigNamedLayersAdapter.prototype.getMapConfig = function (user, requestMapC
 
                     if (nestedNamedLayers.length > 0) {
                         var nestedNamedMapsError = new Error('Nested named layers are not allowed');
-                        // nestedNamedMapsError.http_status = 400;
                         return done(nestedNamedMapsError);
                     }
 
diff --git a/lib/cartodb/models/mapconfig/provider/named-map-provider.js b/lib/cartodb/models/mapconfig/provider/named-map-provider.js
index 2439a650..594ec247 100644
--- a/lib/cartodb/models/mapconfig/provider/named-map-provider.js
+++ b/lib/cartodb/models/mapconfig/provider/named-map-provider.js
@@ -90,6 +90,7 @@ NamedMapMapConfigProvider.prototype.getMapConfig = function(callback) {
         },
         function instantiateTemplate(err, templateParams) {
             assert.ifError(err);
+            context.templateParams = templateParams;
             return self.templateMaps.instance(self.template, templateParams);
         },
         function prepareAdapterMapConfig(err, requestMapConfig) {
diff --git a/lib/cartodb/server.js b/lib/cartodb/server.js
index b695a367..273f34c1 100644
--- a/lib/cartodb/server.js
+++ b/lib/cartodb/server.js
@@ -35,6 +35,7 @@ var timeoutErrorTile = require('fs').readFileSync(timeoutErrorTilePath, {encodin
 
 var SqlWrapMapConfigAdapter = require('./models/mapconfig/adapter/sql-wrap-mapconfig-adapter');
 var MapConfigNamedLayersAdapter = require('./models/mapconfig/adapter/mapconfig-named-layers-adapter');
+var MapConfigBufferSizeAdapter = require('./models/mapconfig/adapter/mapconfig-buffer-size-adapter');
 var AnalysisMapConfigAdapter = require('./models/mapconfig/adapter/analysis-mapconfig-adapter');
 var MapConfigOverviewsAdapter = require('./models/mapconfig/adapter/mapconfig-overviews-adapter');
 var TurboCartoAdapter = require('./models/mapconfig/adapter/turbo-carto-adapter');
@@ -155,6 +156,7 @@ module.exports = function(serverOptions) {
 
     var mapConfigAdapter = new MapConfigAdapter(
         new MapConfigNamedLayersAdapter(templateMaps, pgConnection),
+        new MapConfigBufferSizeAdapter(),
         new SqlWrapMapConfigAdapter(),
         new DataviewsWidgetsAdapter(),
         new AnalysisMapConfigAdapter(analysisBackend),
diff --git a/package.json b/package.json
index 00e2f520..d33bb526 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "step-profiler": "~0.3.0",
     "turbo-carto": "0.19.0",
     "underscore": "~1.6.0",
-    "windshaft": "3.1.2",
+    "windshaft": "3.2.0",
     "yargs": "~5.0.0"
   },
   "devDependencies": {
diff --git a/test/acceptance/buffer-size-format.js b/test/acceptance/buffer-size-format.js
new file mode 100644
index 00000000..d5157585
--- /dev/null
+++ b/test/acceptance/buffer-size-format.js
@@ -0,0 +1,424 @@
+require('../support/test_helper');
+
+var fs = require('fs');
+var assert = require('../support/assert');
+var TestClient = require('../support/test-client');
+var mapnik = require('windshaft').mapnik;
+var IMAGE_TOLERANCE_PER_MIL = 5;
+
+var CARTOCSS_LABELS = [
+    '#layer {',
+    '  polygon-fill: #374C70;',
+    '  polygon-opacity: 0.9;',
+    '  line-width: 1;',
+    '  line-color: #FFF;',
+    '  line-opacity: 0.5;',
+    '}',
+    '#layer::labels {',
+    '  text-name: [name];',
+    '  text-face-name: \'DejaVu Sans Book\';',
+    '  text-size: 20;',
+    '  text-fill: #FFFFFF;',
+    '  text-label-position-tolerance: 0;',
+    '  text-halo-radius: 1;',
+    '  text-halo-fill: #6F808D;',
+    '  text-dy: -10;',
+    '  text-allow-overlap: true;',
+    '  text-placement: point;',
+    '  text-placement-type: dummy;',
+    '}'
+].join('\n');
+
+function createMapConfig (bufferSize, cartocss) {
+    cartocss = cartocss || CARTOCSS_LABELS;
+
+    return {
+        version: '1.6.0',
+        buffersize: bufferSize,
+        layers: [{
+            type: "cartodb",
+            options: {
+                sql: [
+                    'select',
+                    '   *',
+                    'from',
+                    '   populated_places_simple_reduced',
+                ].join('\n'),
+                cartocss: cartocss,
+                cartocss_version: '2.3.0',
+                interactivity: 'cartodb_id'
+            }
+        }]
+    };
+}
+
+describe('buffer size per format', function () {
+    var testCases = [
+        {
+            desc: 'should get png tile using buffer-size 0',
+            coords: { z: 7, x: 64, y: 48 },
+            format: 'png',
+            fixturePath: './test/fixtures/buffer-size/tile-7.64.48-buffer-size-0.png',
+            mapConfig: createMapConfig({ png: 0, 'grid.json': 0 }),
+            assert: function (tile, callback) {
+                assert.imageIsSimilarToFile(tile, this.fixturePath, IMAGE_TOLERANCE_PER_MIL, callback);
+            }
+        },
+        {
+            desc: 'should get png tile using buffer-size 128',
+            coords: { z: 7, x: 64, y: 48 },
+            format: 'png',
+            fixturePath: './test/fixtures/buffer-size/tile-7.64.48-buffer-size-128.png',
+            mapConfig: createMapConfig({ png: 128, 'grid.json': 128 }),
+            assert: function (tile, callback) {
+                assert.imageIsSimilarToFile(tile, this.fixturePath, IMAGE_TOLERANCE_PER_MIL, callback);
+            }
+        },
+        {
+            desc: 'should get mvt tile using buffer-size 0',
+            coords: { z: 7, x: 64, y: 48 },
+            format: 'mvt',
+            fixturePath: './test/fixtures/buffer-size/tile-7.64.48-buffer-size-0.mvt',
+            mapConfig: createMapConfig({ mvt: 0 }),
+            assert: function (tile, callback) {
+                var tileJSON = tile.toJSON();
+                var features = tileJSON[0].features;
+                assert.equal(features.length, 1);
+                callback();
+            }
+        },
+        {
+            desc: 'should get mvt tile using buffer-size 128',
+            coords: { z: 7, x: 64, y: 48 },
+            format: 'mvt',
+            fixturePath: './test/fixtures/buffer-size/tile-7.64.48-buffer-size-128.mvt',
+            mapConfig: createMapConfig({ mvt: 128 }),
+            assert: function (tile, callback) {
+                var tileJSON = tile.toJSON();
+                var features = tileJSON[0].features;
+                assert.equal(features.length, 9);
+                callback();
+            }
+        },
+        {
+            desc: 'should get grid.json tile using buffer-size 0 overriden by template params',
+            coords: { z: 7, x: 64, y: 48 },
+            format: 'grid.json',
+            layers: [0],
+            fixturePath: './test/fixtures/buffer-size/tile-grid.json.7.64.48-buffer-size-0.grid.json',
+            mapConfig: createMapConfig({ 'grid.json': 0 }),
+            assert: function (tile, callback) {
+                assert.utfgridEqualsFile(tile, this.fixturePath, 2,callback);
+            }
+        },
+        {
+            desc: 'should get grid.json tile using buffer-size 128 overriden by template params',
+            coords: { z: 7, x: 64, y: 48 },
+            format: 'grid.json',
+            layers: [0],
+            fixturePath: './test/fixtures/buffer-size/tile-7.64.48-buffer-size-128.grid.json',
+            mapConfig: createMapConfig({ 'grid.json': 128 }),
+            assert: function (tile, callback) {
+                assert.utfgridEqualsFile(tile, this.fixturePath, 2, callback);
+            }
+        }
+    ];
+
+    testCases.forEach(function (test) {
+        it(test.desc, function (done) {
+            var testClient = new TestClient(test.mapConfig, 1234);
+            var coords = test.coords;
+            var options = {
+                format: test.format,
+                layers: test.layers
+            };
+            testClient.getTile(coords.z, coords.x, coords.y, options, function (err, res, tile) {
+                assert.ifError(err);
+                // To generate images use:
+                // tile.save(test.fixturePath);
+                test.assert(tile, function (err) {
+                    assert.ifError(err);
+                    testClient.drain(done);
+                });
+            });
+        });
+    });
+});
+
+function createBufferSizeTemplate (name, buffersize, placeholders, cartocss) {
+    cartocss = cartocss || CARTOCSS_LABELS;
+
+    return {
+        "version": "0.0.1",
+        "name": name,
+        "placeholders": placeholders || {
+            "buffersize": {
+                "type": "number",
+                "default": 0
+            }
+        },
+        "layergroup": createMapConfig(buffersize)
+    };
+}
+
+describe('buffer size per format for named maps', function () {
+    var testCases = [
+        {
+            desc: 'should get png tile using buffer-size 0 (default value in template)',
+            coords: { z: 7, x: 64, y: 48 },
+            format: 'png',
+            fixturePath: './test/fixtures/buffer-size/tile-7.64.48-buffer-size-0.png',
+            template: createBufferSizeTemplate('named-default-buffer-size', {png: '<%= buffersize %>'}),
+            assert: function (tile, callback) {
+                assert.imageIsSimilarToFile(tile, this.fixturePath, IMAGE_TOLERANCE_PER_MIL, callback);
+            }
+        },
+        {
+            desc: 'should get png tile using buffer-size 128 (placehoder value)',
+            coords: { z: 7, x: 64, y: 48 },
+            format: 'png',
+            placeholders: { buffersize: 128 },
+            fixturePath: './test/fixtures/buffer-size/tile-7.64.48-buffer-size-128.png',
+            template: createBufferSizeTemplate('named-custom-buffer-size', { png: '<%= buffersize %>'}),
+            assert: function (tile, callback) {
+                assert.imageIsSimilarToFile(tile, this.fixturePath, IMAGE_TOLERANCE_PER_MIL, callback);
+            }
+        },
+        {
+            desc: 'should get png tile using buffer-size 0 (default value in template by format)',
+            coords: { z: 7, x: 64, y: 48 },
+            format: 'png',
+            placeholders: { buffersize_png: 0 },
+            fixturePath: './test/fixtures/buffer-size/tile-7.64.48-buffer-size-0.png',
+            template: createBufferSizeTemplate('named-default-buffer-size-by-format', {
+                png: '<%= buffersize_png %>'
+            }, {
+                "buffersize_png": {
+                    "type": "number",
+                    "default": "0"
+                }
+            }),
+            assert: function (tile, callback) {
+                assert.imageIsSimilarToFile(tile, this.fixturePath, IMAGE_TOLERANCE_PER_MIL, callback);
+            }
+        },
+        {
+            desc: 'should get png tile using buffer-size 128 (placehoder value in template by format)',
+            coords: { z: 7, x: 64, y: 48 },
+            format: 'png',
+            placeholders: { buffersize_png: 128 },
+            fixturePath: './test/fixtures/buffer-size/tile-7.64.48-buffer-size-128.png',
+            template: createBufferSizeTemplate('named-custom-buffer-size-by-format', {
+                png: '<%= buffersize_png %>'
+            }, {
+                "buffersize_png": {
+                    "type": "number",
+                    "default": "0"
+                }
+            }),
+            assert: function (tile, callback) {
+                assert.imageIsSimilarToFile(tile, this.fixturePath, IMAGE_TOLERANCE_PER_MIL, callback);
+            }
+        },
+        {
+            desc: 'should get grid.json tile using buffer-size 0 overriden by template params',
+            coords: { z: 7, x: 64, y: 48 },
+            format: 'grid.json',
+            layers: [0],
+            placeholders: { buffersize_gridjson: 0 },
+            fixturePath: './test/fixtures/buffer-size/tile-grid.json.7.64.48-buffer-size-0.grid.json',
+            template: createBufferSizeTemplate('named-default-buffer-size-by-format-gridjson', {
+                'grid.json': '<%= buffersize_gridjson %>'
+            }, {
+                "buffersize_gridjson": {
+                    "type": "number",
+                    "default": "0"
+                }
+            }),
+            assert: function (tile, callback) {
+                assert.utfgridEqualsFile(tile, this.fixturePath, 2,callback);
+            }
+        },
+        {
+            desc: 'should get grid.json tile using buffer-size 128 overriden by template params',
+            coords: { z: 7, x: 64, y: 48 },
+            format: 'grid.json',
+            layers: [0],
+            placeholders: { buffersize_gridjson: 128 },
+            fixturePath: './test/fixtures/buffer-size/tile-7.64.48-buffer-size-128.grid.json',
+            template: createBufferSizeTemplate('named-custom-buffer-size-by-format-gridjson', {
+                'grid.json': '<%= buffersize_gridjson %>'
+            }, {
+                "buffersize_gridjson": {
+                    "type": "number",
+                    "default": "0"
+                }
+            }),
+            assert: function (tile, callback) {
+                assert.utfgridEqualsFile(tile, this.fixturePath, 2, callback);
+            }
+        }
+    ];
+
+    testCases.forEach(function (test) {
+        it(test.desc, function (done) {
+            var testClient = new TestClient(test.template, 1234);
+            var coords = test.coords;
+            var options = {
+                format: test.format,
+                placeholders: test.placeholders,
+                layers: test.layers
+            };
+            testClient.getTile(coords.z, coords.x, coords.y, options, function (err, res, tile) {
+                assert.ifError(err);
+                // To generate images use:
+                //tile.save('./test/fixtures/buffer-size/tile-7.64.48-buffer-size-0-test.png');
+                test.assert(tile, function (err) {
+                    assert.ifError(err);
+                    testClient.drain(done);
+                });
+            });
+        });
+    });
+});
+
+
+describe('buffer size per format for named maps w/o placeholders', function () {
+    var testCases = [
+        {
+            desc: 'should get png tile using buffer-size 0 overriden by template params',
+            coords: { z: 7, x: 64, y: 48 },
+            format: 'png',
+            placeholders: {
+                buffersize: {
+                    png: 0
+                }
+            },
+            fixturePath: './test/fixtures/buffer-size/tile-7.64.48-buffer-size-0.png',
+            template: createBufferSizeTemplate('named-no-buffer-size-png-0', {}, {}),
+            assert: function (tile, callback) {
+                assert.imageIsSimilarToFile(tile, this.fixturePath, IMAGE_TOLERANCE_PER_MIL, callback);
+            }
+        },
+        {
+            desc: 'should get png tile using buffer-size 128 overriden by template params',
+            coords: { z: 7, x: 64, y: 48 },
+            format: 'png',
+            placeholders: {
+                buffersize: {
+                    png: 128
+                }
+            },
+            fixturePath: './test/fixtures/buffer-size/tile-7.64.48-buffer-size-128.png',
+            template: createBufferSizeTemplate('named-no-buffer-size-png-128', {}, {}),
+            assert: function (tile, callback) {
+                assert.imageIsSimilarToFile(tile, this.fixturePath, IMAGE_TOLERANCE_PER_MIL, callback);
+            }
+        },
+        {
+            desc: 'should get mvt tile using buffer-size 0 overriden by template params',
+            coords: { z: 7, x: 64, y: 48 },
+            format: 'mvt',
+            placeholders: {
+                buffersize: {
+                    mvt: 0
+                }
+            },
+            fixturePath: './test/fixtures/buffer-size/tile-mvt-7.64.48-buffer-size-0.mvt',
+            template: createBufferSizeTemplate('named-no-buffer-size-mvt', {}, {}),
+            assert: function (tile, callback) {
+                var tileJSON = tile.toJSON();
+                var features = tileJSON[0].features;
+
+                var dataFixture = fs.readFileSync(this.fixturePath);
+                var vtile = new mapnik.VectorTile(this.coords.z, this.coords.x, this.coords.y);
+                vtile.setDataSync(dataFixture);
+                var vtileJSON = vtile.toJSON();
+                var vtileFeatures = vtileJSON[0].features;
+
+                assert.equal(features.length, vtileFeatures.length);
+                callback();
+            }
+        },
+        {
+            desc: 'should get mvt tile using buffer-size 128 overriden by template params',
+            coords: { z: 7, x: 64, y: 48 },
+            format: 'mvt',
+            placeholders: {
+                buffersize: {
+                    mvt: 128
+                }
+            },
+            fixturePath: './test/fixtures/buffer-size/tile-mvt-7.64.48-buffer-size-128.mvt',
+            template: createBufferSizeTemplate('named-no-buffer-size-mvt-128', {}, {}),
+            assert: function (tile, callback) {
+                var tileJSON = tile.toJSON();
+                var features = tileJSON[0].features;
+
+                var dataFixture = fs.readFileSync(this.fixturePath);
+                var vtile = new mapnik.VectorTile(this.coords.z, this.coords.x, this.coords.y);
+                vtile.setDataSync(dataFixture);
+                var vtileJSON = vtile.toJSON();
+                var vtileFeatures = vtileJSON[0].features;
+
+                assert.equal(features.length, vtileFeatures.length);
+                callback();
+            }
+        },
+        {
+            desc: 'should get grid.json tile using buffer-size 0 overriden by template params',
+            coords: { z: 7, x: 64, y: 48 },
+            format: 'grid.json',
+            layers: [0],
+            placeholders: {
+                buffersize: {
+                    'grid.json': 0
+                }
+            },
+            fixturePath: './test/fixtures/buffer-size/tile-grid.json.7.64.48-buffer-size-0.grid.json',
+            template: createBufferSizeTemplate('named-no-buffer-size-grid-json-0', {}, {}),
+            assert: function (tile, callback) {
+                assert.utfgridEqualsFile(tile, this.fixturePath, 2,callback);
+            }
+        },
+        {
+            desc: 'should get grid.json tile using buffer-size 128 overriden by template params',
+            coords: { z: 7, x: 64, y: 48 },
+            format: 'grid.json',
+            layers: [0],
+            placeholders: {
+                buffersize: {
+                    'grid.json': 128
+                }
+            },
+            fixturePath: './test/fixtures/buffer-size/tile-7.64.48-buffer-size-128.grid.json',
+            template: createBufferSizeTemplate('named-no-buffer-size-grid-json-128', {}, {}),
+            assert: function (tile, callback) {
+                assert.utfgridEqualsFile(tile, this.fixturePath, 2, callback);
+            }
+        }
+    ];
+
+    testCases.forEach(function (test) {
+        it(test.desc, function (done) {
+            var testClient = new TestClient(test.template, 1234);
+            var coords = test.coords;
+            var options = {
+                format: test.format,
+                placeholders: test.placeholders,
+                layers: test.layers
+            };
+            testClient.getTile(coords.z, coords.x, coords.y, options, function (err, res, tile) {
+                assert.ifError(err);
+                // To generate images use:
+                //tile.save(test.fixturePath);
+                // require('fs').writeFileSync(test.fixturePath, JSON.stringify(tile));
+                // require('fs').writeFileSync(test.fixturePath, tile.getDataSync());
+                test.assert(tile, function (err) {
+                    assert.ifError(err);
+                    testClient.drain(done);
+                });
+            });
+        });
+    });
+});
diff --git a/test/fixtures/buffer-size/tile-7.64.48-buffer-size-0.png b/test/fixtures/buffer-size/tile-7.64.48-buffer-size-0.png
new file mode 100644
index 00000000..798f7cca
Binary files /dev/null and b/test/fixtures/buffer-size/tile-7.64.48-buffer-size-0.png differ
diff --git a/test/fixtures/buffer-size/tile-7.64.48-buffer-size-128.geojson b/test/fixtures/buffer-size/tile-7.64.48-buffer-size-128.geojson
new file mode 100644
index 00000000..e89c71dd
--- /dev/null
+++ b/test/fixtures/buffer-size/tile-7.64.48-buffer-size-128.geojson
@@ -0,0 +1 @@
+{"type":"FeatureCollection","features":[{"type":"Feature","geometry":{"type":"Point","coordinates":[-53839,4629161]},"properties":{"name":"Alicante","cartodb_id":1200}},{"type":"Feature","geometry":{"type":"Point","coordinates":[242835,5069332]},"properties":{"name":"Barcelona","cartodb_id":5330}},{"type":"Feature","geometry":{"type":"Point","coordinates":[-5567,4861644]},"properties":{"name":"Castello","cartodb_id":1201}},{"type":"Feature","geometry":{"type":"Point","coordinates":[272735,5092314]},"properties":{"name":"Mataro","cartodb_id":615}},{"type":"Feature","geometry":{"type":"Point","coordinates":[-125787,4576600]},"properties":{"name":"Murcia","cartodb_id":952}},{"type":"Feature","geometry":{"type":"Point","coordinates":[295469,4804267]},"properties":{"name":"Palma","cartodb_id":5500}},{"type":"Feature","geometry":{"type":"Point","coordinates":[139148,5030112]},"properties":{"name":"Tarragona","cartodb_id":616}},{"type":"Feature","geometry":{"type":"Point","coordinates":[-44746,4791667]},"properties":{"name":"Valencia","cartodb_id":5942}},{"type":"Feature","geometry":{"type":"Point","coordinates":[-99072,5108695]},"properties":{"name":"Zaragoza","cartodb_id":5932}}]}
\ No newline at end of file
diff --git a/test/fixtures/buffer-size/tile-7.64.48-buffer-size-128.grid.json b/test/fixtures/buffer-size/tile-7.64.48-buffer-size-128.grid.json
new file mode 100644
index 00000000..c06b8d91
--- /dev/null
+++ b/test/fixtures/buffer-size/tile-7.64.48-buffer-size-128.grid.json
@@ -0,0 +1 @@
+{"grid":["                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","    !!                                                          ","!!! !!!!!                                                       ","!!!!!!! !                                                       ","!!! !!!!!                                                       "," !!    !                                                        ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                     ###   #    ","                                                     ####### ###","                                                     ####### ## ","$                                                    ## #### ## ","$$                                                              ","$$                                                              ","$$                                                              ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                "],"keys":["","9","2","1"],"data":{"1":{"cartodb_id":5942},"2":{"cartodb_id":5500},"9":{"cartodb_id":1201}}}
\ No newline at end of file
diff --git a/test/fixtures/buffer-size/tile-7.64.48-buffer-size-128.png b/test/fixtures/buffer-size/tile-7.64.48-buffer-size-128.png
new file mode 100644
index 00000000..b3088d37
Binary files /dev/null and b/test/fixtures/buffer-size/tile-7.64.48-buffer-size-128.png differ
diff --git a/test/fixtures/buffer-size/tile-grid.json.7.64.48-buffer-size-0.grid.json b/test/fixtures/buffer-size/tile-grid.json.7.64.48-buffer-size-0.grid.json
new file mode 100644
index 00000000..24581bc3
--- /dev/null
+++ b/test/fixtures/buffer-size/tile-grid.json.7.64.48-buffer-size-0.grid.json
@@ -0,0 +1 @@
+{"grid":["                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                     !!!   !    ","                                                     !!!!!!! !!!","                                                     !!!!!!! !! ","                                                     !! !!!! !! ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                ","                                                                "],"keys":["","1"],"data":{"1":{"cartodb_id":5500}}}
\ No newline at end of file
diff --git a/test/fixtures/buffer-size/tile-mvt-7.64.48-buffer-size-0.geojson b/test/fixtures/buffer-size/tile-mvt-7.64.48-buffer-size-0.geojson
new file mode 100644
index 00000000..500fb3ea
--- /dev/null
+++ b/test/fixtures/buffer-size/tile-mvt-7.64.48-buffer-size-0.geojson
@@ -0,0 +1 @@
+{"type":"FeatureCollection","features":[{"type":"Feature","geometry":{"type":"Point","coordinates":[295469,4804267]},"properties":{"name":"Palma","cartodb_id":5500}}]}
\ No newline at end of file
diff --git a/test/fixtures/buffer-size/tile-mvt-7.64.48-buffer-size-0.mvt b/test/fixtures/buffer-size/tile-mvt-7.64.48-buffer-size-0.mvt
new file mode 100644
index 00000000..b87f1b9a
Binary files /dev/null and b/test/fixtures/buffer-size/tile-mvt-7.64.48-buffer-size-0.mvt differ
diff --git a/test/fixtures/buffer-size/tile-mvt-7.64.48-buffer-size-128.mvt b/test/fixtures/buffer-size/tile-mvt-7.64.48-buffer-size-128.mvt
new file mode 100644
index 00000000..c6e54212
Binary files /dev/null and b/test/fixtures/buffer-size/tile-mvt-7.64.48-buffer-size-128.mvt differ
diff --git a/test/support/test-client.js b/test/support/test-client.js
index 75fa51e0..bbb32c9d 100644
--- a/test/support/test-client.js
+++ b/test/support/test-client.js
@@ -16,14 +16,23 @@ var serverOptions = require('../../lib/cartodb/server_options');
 serverOptions.analysis.batch.inlineExecution = true;
 var server = new CartodbWindshaft(serverOptions);
 
-function TestClient(mapConfig, apiKey) {
-    this.mapConfig = mapConfig;
+function TestClient(config, apiKey) {
+    this.mapConfig = isMapConfig(config) ? config : null;
+    this.template = isTemplate(config) ? config : null;
     this.apiKey = apiKey;
     this.keysToDelete = {};
 }
 
 module.exports = TestClient;
 
+function isMapConfig(config) {
+    return config && config.layers;
+}
+
+function isTemplate(config) {
+    return config && config.layergroup;
+}
+
 module.exports.RESPONSE = {
     ERROR: {
         status: 400,
@@ -406,6 +415,7 @@ TestClient.prototype.getTile = function(z, x, y, params, callback) {
     }
 
     var url = '/api/v1/map';
+    var urlNamed = url + '/named';
 
     if (this.apiKey) {
         url += '?' + qs.stringify({api_key: this.apiKey});
@@ -413,17 +423,60 @@ TestClient.prototype.getTile = function(z, x, y, params, callback) {
 
     var layergroupId;
     step(
-        function createLayergroup() {
+        function createTemplate () {
             var next = this;
+
+            if (!self.template) {
+                return next();
+            }
+
+            if (!self.apiKey) {
+                return next(new Error('apiKey param is mandatory to create a new template'));
+            }
+
+            params.placeholders = params.placeholders || {};
+        
             assert.response(server,
                 {
-                    url: url,
+                    url: urlNamed + '?' + qs.stringify({ api_key: self.apiKey }),
                     method: 'POST',
                     headers: {
                         host: 'localhost',
                         'Content-Type': 'application/json'
                     },
-                    data: JSON.stringify(self.mapConfig)
+                    data: JSON.stringify(self.template)
+                },
+                {
+                    status: 200,
+                    headers: {
+                        'Content-Type': 'application/json; charset=utf-8'
+                    }
+                },
+                function (res, err) {
+                    if (err) {
+                        return next(err);
+                    }
+                    return next(null, JSON.parse(res.body).template_id);
+                }
+            );
+        },
+        function createLayergroup(err, templateId) {
+            var next = this;
+
+            var data = templateId ? params.placeholders : self.mapConfig
+            var path  = templateId ?
+                urlNamed + '/' + templateId  + '?' + qs.stringify({api_key: self.apiKey}) :
+                url;
+
+            assert.response(server,
+                {
+                    url: path,
+                    method: 'POST',
+                    headers: {
+                        host: 'localhost',
+                        'Content-Type': 'application/json'
+                    },
+                    data: JSON.stringify(data)
                 },
                 {
                     status: 200,
@@ -485,6 +538,27 @@ TestClient.prototype.getTile = function(z, x, y, params, callback) {
                 expectedResponse.headers['Content-Type'] = 'image/png';
             }
 
+            var isMvt = format.match(/mvt$/);
+
+            if (isMvt) {
+                request.encoding = 'binary';
+                expectedResponse.headers['Content-Type'] = 'application/x-protobuf';
+            }
+
+            var isGeojson = format.match(/geojson$/);
+
+            if (isGeojson) {
+                request.encoding = 'utf-8';
+                expectedResponse.headers['Content-Type'] = 'application/json; charset=utf-8';
+            }
+
+            var isGridJSON = format.match(/grid.json$/);
+
+            if (isGridJSON) {
+                request.encoding = 'utf-8';
+                expectedResponse.headers['Content-Type'] = 'application/json; charset=utf-8';
+            }
+
             assert.response(server, request, expectedResponse, function(res, err) {
                 assert.ifError(err);
 
@@ -492,7 +566,12 @@ TestClient.prototype.getTile = function(z, x, y, params, callback) {
 
                 if (isPng) {
                     obj = mapnik.Image.fromBytes(new Buffer(res.body, 'binary'));
-                } else {
+                }
+                else if (isMvt) {
+                    obj = new mapnik.VectorTile(z, x, y);
+                    obj.setDataSync(new Buffer(res.body, 'binary'));
+                }
+                else {
                     obj = JSON.parse(res.body);
                 }
 
diff --git a/yarn.lock b/yarn.lock
index de05fdf3..a203d58e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,7 +2,7 @@
 # yarn lockfile v1
 
 
-abaculus@cartodb/abaculus#2.0.3-cdb1:
+"abaculus@github:cartodb/abaculus#2.0.3-cdb1":
   version "2.0.3-cdb1"
   resolved "https://codeload.github.com/cartodb/abaculus/tar.gz/f5f34e1c80cdd8d49edd1d6fe3b2220ab2e23aaf"
   dependencies:
@@ -22,8 +22,8 @@ accepts@~1.2.12:
     negotiator "0.5.3"
 
 ajv@^4.9.1:
-  version "4.11.7"
-  resolved "https://registry.yarnpkg.com/ajv/-/ajv-4.11.7.tgz#8655a5d86d0824985cc471a1d913fb6729a0ec48"
+  version "4.11.8"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-4.11.8.tgz#82ffb02b29e662ae53bdc20af15947706739c536"
   dependencies:
     co "^4.6.0"
     json-stable-stringify "^1.0.1"
@@ -205,7 +205,7 @@ camshaft@0.54.4:
     dot "^1.0.3"
     request "^2.69.0"
 
-canvas@cartodb/node-canvas#1.6.2-cdb2:
+"canvas@github:cartodb/node-canvas#1.6.2-cdb2":
   version "1.6.2-cdb2"
   resolved "https://codeload.github.com/cartodb/node-canvas/tar.gz/8acf04557005c633f9e68524488a2657c04f3766"
   dependencies:
@@ -231,7 +231,7 @@ carto@CartoDB/carto#0.15.1-cdb1:
     optimist "~0.6.0"
     underscore "~1.6.0"
 
-carto@cartodb/carto#0.15.1-cdb3:
+"carto@github:cartodb/carto#0.15.1-cdb3":
   version "0.15.1-cdb3"
   resolved "https://codeload.github.com/cartodb/carto/tar.gz/945f5efb74fd1af1f5e1f69f409f9567f94fb5a7"
   dependencies:
@@ -612,8 +612,8 @@ express@~4.13.3:
     vary "~1.0.1"
 
 extend@~3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.0.tgz#5a474353b9f3353ddd8176dfd37b91c83a46f1d4"
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.1.tgz#a755ea7bc1adfcc5a31ce7e762dbaadc5e636444"
 
 extsprintf@1.0.2:
   version "1.0.2"
@@ -716,7 +716,7 @@ generate-object-property@^1.1.0:
   dependencies:
     is-property "^1.0.0"
 
-generic-pool@2.4.3:
+generic-pool@2.4.3, generic-pool@~2.4.0, generic-pool@~2.4.1:
   version "2.4.3"
   resolved "https://registry.yarnpkg.com/generic-pool/-/generic-pool-2.4.3.tgz#780c36f69dfad05a5a045dd37be7adca11a4f6ff"
 
@@ -728,17 +728,13 @@ generic-pool@~2.2.0, generic-pool@~2.2.1:
   version "2.2.2"
   resolved "https://registry.yarnpkg.com/generic-pool/-/generic-pool-2.2.2.tgz#7a89f491d575b42f9f069a0e8e2c6dbaa3c241be"
 
-generic-pool@~2.4.0, generic-pool@~2.4.1:
-  version "2.4.6"
-  resolved "https://registry.yarnpkg.com/generic-pool/-/generic-pool-2.4.6.tgz#f1b55e572167dba2fe75d5aa91ebb1e9f72642d7"
-
 get-caller-file@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/get-caller-file/-/get-caller-file-1.0.2.tgz#f702e63127e7e231c160a80c1554acb70d5047e5"
 
 getpass@^0.1.1:
-  version "0.1.6"
-  resolved "https://registry.yarnpkg.com/getpass/-/getpass-0.1.6.tgz#283ffd9fc1256840875311c1b60e8c40187110e6"
+  version "0.1.7"
+  resolved "https://registry.yarnpkg.com/getpass/-/getpass-0.1.7.tgz#5eff8e3e684d569ae4cb2b1282604e8ba62149fa"
   dependencies:
     assert-plus "^1.0.0"
 
@@ -812,8 +808,8 @@ growl@1.8.1:
   resolved "https://registry.yarnpkg.com/growl/-/growl-1.8.1.tgz#4b2dec8d907e93db336624dcec0183502f8c9428"
 
 handlebars@^4.0.1:
-  version "4.0.6"
-  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.0.6.tgz#2ce4484850537f9c97a8026d5399b935c4ed4ed7"
+  version "4.0.8"
+  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.0.8.tgz#22b875cd3f0e6cbea30314f144e82bc7a72ff420"
   dependencies:
     async "^1.4.0"
     optimist "^0.6.1"
@@ -939,7 +935,7 @@ is-arrayish@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/is-arrayish/-/is-arrayish-0.2.1.tgz#77c99840527aa8ecb1a8ba697b80645a7a926a9d"
 
-is-buffer@^1.0.2:
+is-buffer@^1.1.5:
   version "1.1.5"
   resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.5.tgz#1f3b26ef613b214b88cbca23cc6c01d87961eecc"
 
@@ -1084,10 +1080,10 @@ jsprim@^1.2.2:
     verror "1.3.6"
 
 kind-of@^3.0.2:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-3.1.0.tgz#475d698a5e49ff5e53d14e3e732429dc8bf4cf47"
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-3.2.0.tgz#b58abe4d5c044ad33726a8c1525b48cf891bff07"
   dependencies:
-    is-buffer "^1.0.2"
+    is-buffer "^1.1.5"
 
 lazy-cache@^1.0.3:
   version "1.0.4"
@@ -1738,7 +1734,7 @@ repeat-string@^1.5.2:
   version "1.6.1"
   resolved "https://registry.yarnpkg.com/repeat-string/-/repeat-string-1.6.1.tgz#8dcae470e1c88abc2d600fff4a776286da75e637"
 
-request@2.x, request@^2.55.0, request@~2.79.0:
+request@2.x, request@^2.55.0, request@^2.69.0, request@~2.79.0:
   version "2.79.0"
   resolved "https://registry.yarnpkg.com/request/-/request-2.79.0.tgz#4dfe5bf6be8b8cdc37fcf93e04b65577722710de"
   dependencies:
@@ -1763,7 +1759,7 @@ request@2.x, request@^2.55.0, request@~2.79.0:
     tunnel-agent "~0.4.1"
     uuid "^3.0.0"
 
-request@^2.69.0, request@^2.81.0:
+request@^2.81.0:
   version "2.81.0"
   resolved "https://registry.yarnpkg.com/request/-/request-2.81.0.tgz#c6928946a0e06c5f8d6f8a9333469ffda46298a0"
   dependencies:
@@ -2098,17 +2094,17 @@ through@2:
   version "2.3.8"
   resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
 
-tilelive-bridge@cartodb/tilelive-bridge#2.3.1-cdb1:
-  version "2.3.1-cdb1"
-  resolved "https://codeload.github.com/cartodb/tilelive-bridge/tar.gz/3f76c278c782e93d79045870387a0a06bace720b"
+"tilelive-bridge@github:cartodb/tilelive-bridge#2.3.1-cdb2":
+  version "2.3.1-cdb2"
+  resolved "https://codeload.github.com/cartodb/tilelive-bridge/tar.gz/0346c634875ac87dbf8316cb81ac46d2c30fe313"
   dependencies:
     mapnik "~3.5.0"
     mapnik-pool "~0.1.3"
     sphericalmercator "1.0.x"
 
-tilelive-mapnik@cartodb/tilelive-mapnik#0.6.18-cdb1:
-  version "0.6.18-cdb1"
-  resolved "https://codeload.github.com/cartodb/tilelive-mapnik/tar.gz/cf7e5b4633db653a889a6c6e6a5ddcbcf4ddc3b5"
+"tilelive-mapnik@github:cartodb/tilelive-mapnik#0.6.18-cdb2":
+  version "0.6.18-cdb2"
+  resolved "https://codeload.github.com/cartodb/tilelive-mapnik/tar.gz/46f1adefee90f3f46c0ede5e0833f8522634a858"
   dependencies:
     generic-pool "~2.4.0"
     mapnik "3.5.14"
@@ -2269,9 +2265,9 @@ window-size@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/window-size/-/window-size-0.2.0.tgz#b4315bb4214a3d7058ebeee892e13fa24d98b075"
 
-windshaft@3.1.2:
-  version "3.1.2"
-  resolved "https://registry.yarnpkg.com/windshaft/-/windshaft-3.1.2.tgz#78c257bafe63c41df8cd7e4aa7ea6ea72ed1a5bd"
+windshaft@3.2.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/windshaft/-/windshaft-3.2.0.tgz#c69f8d199bbeccc96e66b8256928e6fa87999803"
   dependencies:
     abaculus cartodb/abaculus#2.0.3-cdb1
     canvas cartodb/node-canvas#1.6.2-cdb2
@@ -2288,8 +2284,8 @@ windshaft@3.1.2:
     sphericalmercator "1.0.4"
     step "~0.0.6"
     tilelive "5.12.2"
-    tilelive-bridge cartodb/tilelive-bridge#2.3.1-cdb1
-    tilelive-mapnik cartodb/tilelive-mapnik#0.6.18-cdb1
+    tilelive-bridge cartodb/tilelive-bridge#2.3.1-cdb2
+    tilelive-mapnik cartodb/tilelive-mapnik#0.6.18-cdb2
     torque.js "~2.11.0"
     underscore "~1.6.0"