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What is the fire rating for Dow THERMAX Sheathing?

Security, Architectural & Storefront
Insulation
Insulation materials
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DK Hardware 2026-09-30 - 18:09:37
Technical Team

The Dow THERMAX Sheathing has a Class A fire rating, making it suitable for hourly rated assemblies. Its improved fire performance is partly due to the glass-fiber reinforcement.

Product Details

1.0" x 4 ft x 8 ft THERMAX Sheathing
12078854Dow 12078854 1.0" x 4 ft x 8 ft THERMAX Sheathing
$93.26/Each

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