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National Gypsum
DURABASE GYPSUM BOARD

DURABASE GYPSUM BOARD

Product catalog summary

General Information:
Gypsum wallboard is a versatile construction material known for its advantages as a lamination substrate. Durabase gypsum wallboard can be surfaced with various decorative laminates, making it suitable for wall panels in manufactured housing. It is available in multiple thicknesses and lengths, offering benefits such as fire resistance, low surface flammability, sound isolation, and impact resistance.

Features/Benefits:

Meets HUD fire safety requirements with a flame spread not over 25, providing extra protection in furnace and water heater areas.
Sound-deadening characteristics contribute to a quieter home environment.
Adaptable to different types of laminates, such as paper or vinyl.
Easy installation due to the quick-cutting gypsum core.
High gypsum density enhances sound penetration resistance.
UL labeled and compliant with HUD Manufactured Mobile Home Construction and Safety Standards.
Noncombustible core offers excellent fire protection.

Specifications:

Thickness: 5/16", 3/8", and 1/2" with ASTM permissible variations in thickness, width, length, corners, and edges.
Weight varies by thickness: 5/16" – Approx. 1.2 lbs./sf, 3/8" – Approx. 1.4 lbs./sf, 1/2" – Approx. 1.8 lbs./sf.
ASTM E 84 Surface Burning Characteristics: Flame Spread: 15, Smoke Developed: 0.

Recommended Adhesives:

PVA White Glue (bottle-grade).
PVA Fortified White Glue (pump or gun-grade) for better gap-filling and beading properties.
Solvent-Type Stud or Panel Adhesives.
One-part and two-part urethanes.

Note: For shear construction, use specified adhesive as per the "Shear Tests" section.

Catalog excerpts

DURABASE® BRAND GYPSUM WALLBOARD GENERAL INFORMATION Gypsum wallboard is a versa- tile and highly regarded construction material that Durábase gypsum wallboard can be surfaced with a wide variety of decorative lami- nates for use as wall panels lengths, gypsum wallboard's principal advantages include fire resistance, low surface flammability, good sound impact resistance. Manufactured especially to meet HUD fire safety requirements of flame spread not over 25. When used in furnace room, wallboard gives furnace and water heater areas an extra measure of protection where they need it most — giving home buyers peace of mind. In addition, the inherent sound- Durábase make your home quieter as well as safer. This I Adaptable to different types of laminas (paper or vinyl). I Gypsum core cuts quickly — allows easy installation. I High gypsum density also provides greater resistance results in quieter rooms. Safety Standards - promotes vides excellent fire protection. ASTM permissible variations: from the nominal thickness. ASTM permissible variation: ASTM permissible variation: Corners: Square ASTM permissible variation: Edges: Square ASTM E 84 Surface Burning (Fire Hazard Classification) RECOMMENDED ADHESIVES 1. PVA White Glue. Bottle-grade. 2. PVA Fortified White Glue. beading properties. 3. Solvent-Type Stud or Panel Note: For shear construction, "Shear Tests" section.

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DURABASE GYPSUM BOARD

DURABASE GYPSUM BOARD

Catalog excerpts

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