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SKU 701764

Densglass 5/8 in. x 4 ft. x 8 ft. Fireguard Fiberglass Panel

Original price $27.99 - Original price $27.99
Original price
$27.99
$27.99 - $27.99
Current price $27.99
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About This Product The Drywall 5/8 in. x 4 ft. x 8 ft.Type X DensGlass Sheathing is a high-performance exterior gypsum sheathing designed for super...

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SKU 410819

Densshield 1/2 in. x 2.7 ft. x 5 ft. Fiberglass Moisture Resistant Backer Board

Original price $14.98 - Original price $14.98
Original price
$14.98
$14.98 - $14.98
Current price $14.98
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In stock

Delivery

Today within 4 hours or scheduled 2-hour window

About This ProductThe DensShield 5 ft. x 32 in. x 1/2 in. Type X Glass Mat Tile Backer is designed with glass mat facings and an acrylic coating t...

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DensGlass Sheathing: What You Need to Know

DensGlass, also known as fiberglass mat sheathing or exterior gypsum board, is a durable and weather-resistant construction panel widely used in commercial and residential building projects. It is designed for superior mold, fire, and moisture resistance, making it ideal for exterior wall assemblies, soffits, and roof applications. Available in standard thicknesses and panel dimensions, DensGlass offers a versatile solution for various construction needs without compromising durability.

Applications & Best Uses:

  • Exterior Wall Sheathing: DensGlass is commonly used as an underlayment for exterior cladding systems, including brick, stone, stucco, and siding. Its fiberglass-reinforced core enhances moisture and mold resistance, ensuring long-term structural integrity in high-humidity or heavy-rainfall environments.
  • Roof & Soffit Applications: Designed to withstand prolonged exposure to the elements, DensGlass is a reliable choice for soffits, overhangs, and roofline protection. It resists delamination, sagging, and warping, making it an optimal solution for open-framed installations before the final roofing or finishing materials are applied.

Material Benefits:

  • Fiberglass-Reinforced Gypsum Core: Unlike traditional paper-faced gypsum, DensGlass features a fiberglass mat surface, offering exceptional durability and resistance to moisture-related damage. This makes it ideal for high-performance building envelopes where mold and mildew prevention is a priority.
  • Fire-Rated & Code-Compliant: With a 5/8 in. fire-rated core, DensGlass provides enhanced fire resistance, meeting stringent building codes for commercial and multi-story construction. It is frequently used in fire-rated exterior wall assemblies to improve safety and structural performance.

Why Choose Supply Ontime?

At Supply Ontime, we offer reliable materials designed to meet your project’s needs. With same-day delivery across the Greater Los Angeles area, we make it easy to keep your projects on schedule. Order DensGlass Sheathing now and get it delivered today!

FAQ

What makes DensGlass sheathing different from traditional gypsum panels for Los Angeles building projects?

The exterior gypsum sheathing DensGlass includes a fiberglass-mat facing that offers superior durability and moisture resistance. DensGlass stands out from paper-faced panels because it maintains its structure while resisting humid conditions which make it suitable for Los Angeles coastal weather. DensGlass provides builders with a dependable foundation for cladding systems such as brick, stucco, and siding because its rigid structure withstands incidental moisture during construction.

How does DensGlass handle moisture and mold exposure in the Los Angeles area?

The gypsum core treatment with fiberglass mat in DensGlass provides maximum protection against mold and moisture. The product received the highest rating of 10 out of 10 for mold resistance and proved effective against rippling and buckling when tested under humid conditions by independent evaluators. The protective elements of DensGlass protect buildings in Los Angeles from rain and marine air exposure during construction while reducing mold growth in exterior envelope components.

Where is DensGlass typically used on buildings in Southern California?

DensGlass functions as an exterior sheathing material according to construction industry specifications for wall and roof applications. The material operates as a stiff platform beneath water-resistant barriers before receiving brick, stone, stucco, siding, and EIFS systems. The superior water resistance together with extended durability of DensGlass, makes it the preferred choice for Los Angeles contractors in commercial buildings, multi-family developments, as well as high-end residential construction.

Why is DensGlass often described as the “gold‑colored” sheathing?

The gold-colored appearance of DensGlass sheathing comes from its fiberglass mat content which leads professionals to refer to it as gold-colored sheathing. Professionals can see the fiberglass-reinforced surface of the product through its distinctive golden color because of its mold and moisture-resistant properties. Golden panels on Los Angeles construction sites indicate the use of DensGlass as a protective material during building construction.