Gypsum Boards and Drywall

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DensGlass® Shaftliner

DensGlass Shaftliner
DensGlass Shaftliner cutaway

DensGlass® Shaftliner is a premium 1" Type X gypsum panel (per ASTM C 1658) backed on both faces with coated fiberglass mat. This architecturally specified product is an ideal substitute for heavy masonry construction in fire-rated assemblies for shaftwalls, stairwells and area separation walls.

DensGlass Shafliner is highly mold-resistant* making it ideal for use in moisture-prone vertical and horizontal shaftwall assemblies, stairwell applications and area separation walls in commercial and multi-family construction.

Superior moisture resistance significantly reduces or eliminates callbacks due to moisture-related problems. The inherent moisture resistance of the fiberglass mat shaftwall panels provides leverage in managing construction schedules. Mechanical work such as HVAC system installation can start during the pre-rock phase of construction, helping mitigate risk caused by construction delays.

Georgia-Pacific backs the product with a limited warranty against delamination and deterioration for up to 12 months of exposure to normal weather conditions.

Mold-Resistance Testing

*When tested, as manufactured, in accordance with ASTM D 3273, DensGlass Shaftliner spanels have scored a 10, the highest level of performance for mold resistance under the ASTM D 3273 test method. The score of 10, in the ASTM D 3273 test, indicates no mold growth in a 4-week controlled laboratory test. The mold resistance of any building product when used in actual job site conditions may not produce the same results as were achieved in the controlled, laboratory setting. No material can be considered mold proof. When properly used with good design, handling and construction practices, non-paper-faced DensGlass® Shaftliner panels provide increased mold resistance compared to standard paper-faced wallboard products.

DensGlass Shaftliner is listed by the GREENGUARD Environmental Institute as a microbial-resistant product. The microbial-resistant test is based on D 6329, a testing standard set by ASTM International, which develops testing guidelines and procedures for building materials, products, systems and services.

The USGBC logo and LEED are a trademarks of the U.S. Green Building Council and are used with permission.

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