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DensGlass® Sheathing

Gypsum Sheathing

  • A proven history extending over three decades.
  • Contributes to enhanced performance and longevity across various fire-rated and non-fire-rated construction assemblies.
  • Fiberglass mat-faced gypsum sheathing offers exceptional resistance to mold and moisture in comparison to traditional paper-faced sheathings.
  • Delivers a sturdy substrate suitable for numerous air or water-resistive barrier systems.
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an H3 tag

THE LEADER IN FIBERGLASS MAT GYPSUM SHEATHING SPECIFIED IN ARCHITECTURAL APPLICATIONS1

DensGlass® Sheathing, easily identifiable by its distinctive GOLD color, boasts an impressive history of over 30 years. It is the substrate of choice for applications involving brick, stone, stucco, siding, and EIFS, owing to its effectiveness in safeguarding structures from incidental moisture during and after the construction process. This sheathing enhances both performance and durability across a variety of fire-rated and non-fire-rated building assemblies. The Dens® Suite of products comprises industry-recognized, high-performance fiberglass mat gypsum panels, ideal for wall, roof, ceiling, and floor applications. The Dens® Suite proudly displays our esteemed heritage in Gold, symbolizing our pioneering role as the first manufacturer of fiberglass mat boards and our ongoing commitment to innovation in strength and moisture-resistant solutions for over three decades. The Dens® Suite effectively addresses building challenges with creativity and resourcefulness.

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.

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PHYSICAL PROPERTIES

Thickness ½” (12.7 mm)
Width Nominal: 4′ (1219 mm) ± 1/8″ (3 mm)
Length standard: 8′ (2440 mm), 9′ (2743 mm), 10′ (3048 mm), ± 1/4″ (6 mm)
Weight lbs/sq. ft. nominal (kg/m²): 1.9 (9)
Humidified Deflection <2/8″ (6 mm)1,2
R Value °F•ft2•hr/BTU (m2•K/W): .56 (0.099)2
Thickness 5/8″ (15.9 mm)
Width Nominal: 4′ (1219 mm) 5 1/8″ (3 mm)
Length standard: 8′ (2440 mm), 9′ (2743 mm), 10′ (3048 mm), ± ¼” (6 mm)
Weight lbs/sq. ft. nominal (kg/m²): 2.5 (12)
Humidified Deflection <2/8″ (6 mm)1, 2
R Value °F•ft2•hr/BTU (m2•K/W): .67 (0.118)2

1Tested in accordance with ASTM C473  2Tested in accordance with ASTM C518 (heat flow meter)  3Specified values per ASTM C1177

CERTIFICATIONS

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