Custom Building Products FB50 Gray Flexbond Thinset 50 lbs.

Features Premium quality Polymer-modified mortar with outstanding flexibility and bond strength. Flexbond is exceptional for tiling over difficult-to-bond surfaces and for setting impervious porcelain or glass tile. Isolates cracks up to 1/16" and withstaNDS minor substrate deflection. Protected by moldgard technology to resist mold and mildew growth. Dimension - 16 x 18 x 3.5 in. Item weight - 50 lbs. - SKU: ORGL35850