North American Crack Isolator - 1 Gal - NA1640 1671704NA FINAL PRICE: $34.99 + TAX

NA 1640 Crack Isolator is a premixed, liquid-applied, quick-drying membrane applied over concrete substrates to keep cracks from migrating up through ceramic tile and stone installations.

NA 1640 Crack Isolator can be used for ceramic tile and stone in residential and commercial interior/ exterior environments. It meets ANSI A118.12 requirements and provides up to 1/8″ (3 mm) of in-plane crack isolation. It is then ready to receive most North American Adhesive (NAA) polymer-modi ed or epoxy mortars.