Peel and Stick 40 mil. Crack Isolation MembranePROFLEX® SIM 40 is a 40 mil composite underlayment consisting of a rubberized membrane laminated to a high strength reinforcing fabric on the face and a siliconized release sheet on the adhesive side. Proflex SIM 40 is designed for full coverage crack suppression. PROFLEX® SIM 40 is specially designed to be used under approved thinsets, mortars, and adhesives for interior and exterior applications of ceramic tile, stone, and brick, and for interior applications of wood flooring to eliminate the transmission of cracks through finish flooring. To eliminate cracks in finished floor work, the product should be applied to the entire substrate prior to the installation of the finished flooring for crack suppression.
Ready for tiling immediately after installation
225 sq. ft. per Roll, * SIM-40 requires an ANSI A118.11 thinset.
Concrete (Poured, Prestressed, Precast), Cured (Mortar Beds, Self Leveling Compounds, Gypcrete), Concrete Backerboards, Wood (Exterior Grade Plywood, Hardwood, Tongue and Groove)
1 Roll per Box, 24 Boxes per Pallet