DensGlass® Sheathing
- Designed with a treated, water-resistant core and a durable fiberglass mat surface with a track record that spans more than 35 years.
- Primarily used for exterior walls, ceilings, and soffits.
- Helps add performance and durability to a wide range of fire-rated and non-fire-rated building assemblies
- Fiberglass mat-faced gypsum sheathing for superior mold and moisture resistance compared to paper-faced sheathings
- Provides a rigid substrate for a wide variety of air or water-resistive barrier systems
Product Detail
DensGlass® Sheathing offers unmatched protection and versatility for your construction needs. It features a treated, water-resistant core and a tough fiberglass mat surface, topped off with a distinguishing gold finish. Ideal for exterior walls, ceilings, and soffits, the distinctive GOLD color of DensGlass® Sheathing is more than just visually appealing – it’s a testament to over 35 years of unparalleled performance and trust in the market.
DensGlass® Sheathing thrives under brick, stone, stucco, siding and EIFS, expertly safeguarding your structure from moisture, both during and after construction. Whether you need it for fire-rated or non-fire-rated building assemblies, its superior durability adds undisputed performance. Part of our esteemed Dens® Suite of products, DensGlass® Sheathing is one of our high-performing fiberglass mat gypsum panels, created to meet all your wall, roof, ceiling, and floor project requirements.
The Dens® Suite of products proudly upholds our golden heritage of being the first to create a fiberglass mat board, and an unwavering innovator of strength and moisture-resistant solutions for over three decades. Choose Dens® Suite for imaginative solutions to your building challenges.
FEATURES AND BENEFITS
- Weather-Resistant: Engineered to resist delamination and deterioration, even with up to 12 months of normal weather exposure during construction.
- Mold-Resistant: Rated a perfect 10 on the ASTM D3273 test for mold resistance, providing peace of mind even in humid or moisture-prone environments.1
- Fire-Resistant: Constructed with noncombustible materials to meet stringent ASTM E136 and CAN/ULC S114 standards.
- Dimensional Stability: Maintains a flat, even surface, ensuring no warping, rippling, or sagging, delivering a smooth substrate for various applications.
- Reliable and Established: Tested and proven behind a range of cladding systems, including EIFS, brick veneer, stucco, wood siding, and vinyl siding. Ideal for both warm and cold climate zones.
Product Specifications
PERFORMANCE ATTRIBUTES
| R Value | °F•ft2•hr/BTU (m2•K/W): .56 (0.099)3 |
| Humidified Deflection | <2/8″ (6 mm)2,4 |
| ASTM Type | ASTM C1396; ASTM C1629; ASTM C473; ASTM E136; ASTM E84 |
| Flame Spread & Smoke Development | 15 & 0 (product dependent) |
| Mold Resistance | (10/10) |
PHYSICAL PROPERTIES
| Length | standard: 8′ (2440 mm), 9′ (2743 mm), 10′ (3048 mm), ± 1/4″ (6 mm) |
| Width | Nominal: 4′ (1219 mm) ± 1/8″ (3 mm) |
| Thickness | ½” (12.7 mm) |
| Weight | lbs/sq. ft. nominal (kg/m²): 1.9 (9) |
| Edge | Square |
PERFORMANCE ATTRIBUTES
| R Value | °F•ft2•hr/BTU (m2•K/W): .67 (0.118)3 |
| Humidified Deflection | <1/8″ (3 mm)2,4 |
| ASTM Type | ASTM C1396; ASTM C1629; ASTM C473; ASTM E136; ASTM E84 |
| Flame Spread & Smoke Development | 15 & 0 (product dependent) |
| Mold Resistance | No (10/10) |
PHYSICAL PROPERTIES
| Length | standard: 8′ (2440 mm), 9′ (2743 mm), 10′ (3048 mm), ± 1/4″ (6 mm) |
| Width | Nominal: 4′ (1219 mm) ± 1/8″ (3 mm) |
| Thickness | ½” (12.7 mm) |
| Weight | lbs/sq. ft. nominal (kg/m²): 2.5 (12) |
| Edge | Square |
1DensGlass® Sheathing panels have scored a 10 – the highest level of performance for mold resistance under the ASTM D3273 test method. It’s extremely resistant to rippling, buckling and sagging, even under humid conditions, which makes it particularly suitable for soffits. In actual tests, DensGlass® Sheathing exceeded ASTM C1396 standards for humidified deflection by a factor of five times over the standard for paper-faced gypsum sheathing.
2Tested in accordance with ASTM C473
3Tested in accordance with ASTM C518 (heat flow meter)
4Specified values per ASTM C1177
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