1/2 in x 4 ft USG Fiberock Brand Aqua-Tough Sheathing

Fiberock® brand Aqua-Tough™ sheathing is a revolutionary product designed for use as a sheathing in most exterior systems. Manufactured using USG’s unique patented technology, Fiberock sheathing offers exceptional strength, durability and superior water resistance.

Unlike other gypsum sheathings, Fiberock sheathing derives both strength and water resistance from its uniform core formulation. Fiberock sheathing is strong and water resistant all the way through its cross section, and won’t lose its strength when cut.