M-D Building Products TT8001RED82R 5 in. x 82 ft. PROVA JOINT STRIP®

Made of flexible polypropylene for easy installation Fully waterproofs vertical and horzontal seams 5 in. W x 82 ft. L Pink Color Resists mold and mildew growth ICC-ES Certified 13.78 mil (0.35 mm) Premium polymer-modified thinset mortar required for installation Premixed mortar or mastic are not to be used For commercial and residential use