What Is Glass Mat Sheathing

In the past glass mat wallboard was used primarily as exterior sheathing for exterior wall assemblies because of its moisture resistance.

What is glass mat sheathing.

Glass mat faced gypsum sheathing is non combustible and moisture resistant. 15 9 mm type x glass mat sheathing panels with moisture and mold resistance. Glass mat is also a stronger more durable facing material than paper so it s less susceptible to structural failure or delamination. Sheathing also provides a substrate for insulation and air water and vapor barriers.

Gypsum sheathing is commonly used on commercial applications. 1 2 or 5 8 thick 48 wide 8 9 and 10 long. Common sheathing types for commercial projects include plywood osb cement board and glass faced gypsum panel. Other sizes available on special order.

Usg securock glass mat sheathing is not a fi nished surface. Cement based structural sheathing can be cement board or fiber cement sheathing. 12 7 mm regular and 5 8 in. These cement products are available in 1 4 inch and 1 2 inch thickness and sheet sizes that are 3x5 and 4x8.

Widely recognized by the gold color densglass fiberglass mat gypsum sheathing has an exemplary track record that spans more than 30 years. Glasroc sheathing is the industry standard for high quality type x gypsum based exterior sheathing. Securock brand glass mat sheathing regular and firecode x are 1 2 in. The panels feature a noncombustible moisture resistant gypsum core that is encased in a coated fiberglass facer mat to maximize coverage of air water barrier.

Is a gypsum panel with fiberglass mat facings and its widely recognized gold colored primer coating for superior mold and moisture resistance. Ideal for eifs brick and other exterior cladding applications. For use as exterior substrate panel for walls ceilings and soffits. Usg securock glass mat sheathing is not intended for tile applications.

Consult your usg sales offi ce or. More recent introductions include hybrid products that integrate weather barriers insulation or both. It is a preferred substrate under brick stone stucco siding and eifs due to its ability to protect a structure against incidental moisture during and after construction. Available in both 1 2 12 7 mm and 5 8 15 9 mm thickness glasroc sheathing is made with cementitious glass mat facers that are embedded into a water resistant gypsum core.