![BOSTIK - LARGE FORMAT FLOOR POLYMER-MODIFIED MORTAR 50 LB](http://eastbaysupplyco.com/cdn/shop/products/BSK_30850754_LFF.jpg?v=1543604815)
![BOSTIK - LARGE FORMAT FLOOR POLYMER-MODIFIED MORTAR 50 LB](http://eastbaysupplyco.com/cdn/shop/products/BSK_30850754_LFF.jpg?v=1543604815)
![BOSTIK - LARGE FORMAT FLOOR POLYMER-MODIFIED MORTAR 50 LB](http://eastbaysupplyco.com/cdn/shop/products/BSK_30850754_LFF.jpg?v=1543604815)
Bostik Large Format Floor™ is a polymer-modified mortar designed for floor installations of large format ceramic tiles, porcelain tiles, natural stone, granite, slate, and marble. Use over properly prepared, structurally sound-concrete, exterior grade plywood (interior/dry use only); cementitious backer board and existing ceramic tile.
Features:
Coverage: 50-60 square feet per bag using 1/4"x3/8" square-notch trowel.
Open Time: 30-40 minutes at 70°F
Shelf Life: 1 year from date of manufacturing in unopened bag.