Coverage: 1/2″ thickness — 50-60 sq.ft approx. DYNAFLEX 600 consists of a one component quality controlled high performance high shear bond strength polymer/latex dry-set portland cement mortar with portland cement powder, graded silica aggregates and chemicals carefully selected and controlled by DYNA. It is a high performance non-sagging polymer/latex modified high shear bond strength dry-set thin-set mortar. DYNAFLEX provides a permanent installation with high bond strength and requires no soaking of tiles. DYNAFLEX is resistant to water after being cured but does not provide a waterproof barrier. DYNAFLEX is freeze/thaw and radiant heat resistant. It may be used for installation for indoor residential and light to moderate commercial floors and countertops in dry areas only over CSA-0211 EXTERIOR SELECT or (SEL TF) Douglas Fir plywood, according to COFI classification, vinyl asbestos tile and dry cut-back adhesive.