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- Sale price
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Dow Thermax Sheathing 4' x 8' Polyiso (All Sizes)
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Estimated Delivery Time 7-10 Working Days
THERMAX Sheathing is specially designed to have a Class A fire rating and can be used in a range of concealed and exposed applications, above and below grade. Because of the improved fire performance it is best suited for hourly rated assemblies. It has nominal 1.0 mil, smooth aluminum foil facers on both sides. THERMAX Sheathing effectively reduces condensation for exceptional moisture protection.
Thickness | R-Value | Sq Ft/Bag |
---|---|---|
0.5" | R3 | 32 |
1" | R6 | 32 |
1.5" | R10 | 32 |
2" | R13 | 32 |
Used In
- Insulate residential and commercial walls
- Residential closed (non-vented) crawl spaces
- Interior basement walls
- Interior walls of metal buildings
Product Advantages
- Can be installed exposed to the interior without a thermal barrier
- Reinforcing facers, along with chemical modifications, contribute to fire resistance and dimensional stability
- Suited for hourly rated assemblies
Product Length | 96" |
Product Width | 48" |
R-Value | R13 |
sq-ft-pack | 32ft2 |
Brand | Dow |
Material Facing | Foil-Faced |
Material Type | Polyiso |
Product Type | Batt,Rigid Board |
Est Delivery between
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Delivery will always take place on a weekday (Mon - Fri).
For information on delivery costs and more view our delivery info page.