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Does Dow THERMAX Sheathing require a thermal barrier when installed on interior walls?

Security, Architectural & Storefront
Insulation
Insulation materials
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DK Hardware 2026-09-30 - 18:09:38
Technical Team

In the USA, Dow THERMAX Sheathing can be installed exposed to the interior without a thermal barrier. However, in Canadian construction, THERMAX exposed to the interior must be covered with a thermal barrier.

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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