TEC® Crack Isolation Sheet Membrane is a peel and stick underlayment that is designed to be used under ceramic tile, natural stone or other hard surface flooring to reduce surface cracking and it also contributes to sound suppression. This product is for interior floors and counter top use only. After priming with TEC® Multipurpose Primer, TEC® Crack Isolation Sheet Membrane can be easily applied to any clean subfloor surface including concrete*, plywood, gypsum, OSB, and over most existing vinyl, tile or natural stone floors.
* Concrete with moisture vapor emission rates (MVER) up to 5lbs. per 1,000 sq. ft. per 24 hours (2,27 kg/93 m/24 hours).