BOSS® 813 can be used on any commercial or residential construction where the code calls for a UL system for penetration of cables, etc. through drywall, concrete or wood.

For Portland-Cement Mortar And Concrete. Non-Reemulsifiable, General-Purpose Admixture To Produce Polymer-Modified Concrete And Mortar.

For Sealing Cracks In Concrete Walls, Expansion Joints, Gaps Construction Joints, Windows, Doors And Siding. Can Be Used As A Bedding Sealant For Door And Window Installations. Non-Staining.

For Sealing Cracks In Concrete Walls, Expansion Joints, Gaps Construction Joints, Windows, Doors And Siding. Can Be Used As A Bedding Sealant For Door And Window Installations. Non-Staining.

For Repairing Cracked And Split Mortar Joints Between Brick, Masonry, And Stone. Meets Federal Specification TTS-00230C, Type II. Meets ASTM C-920, Type S, Grade NS.

A concentrated latex primer/sealer that seals porous substrates. Enhances bond of level quick self-leveling underlayment and other cementitious toppings.