DuPont™ Thermax™ White Finish Insulation
Commercial | Residential | Multifamily | Wall
Designed for easy installation and continuous insulation
Featuring a white embossed surface that’s easy to clean, Thermax™ White Finish (WF) Insulation combines high R-value with dimensional stability and moisture resistance.
DuPont™ Thermax™ White Finish Insulation
Thermax™ White Finish (WF) Insulation* polyisocyanurate insulation is designed as an insulation and interior finish system for interior masonry or concrete walls, plus walls and ceilings in metal, wood post frame, and concrete or masonry buildings, as governed by building codes. The glass-fiber-reinforced polyisocyanurate foam core of Thermax™ White Finish is faced with nominal 1.25 mil embossed white acrylic coated aluminum on one side and 0.9 mil smooth aluminum on the other. The white embossed surface of Thermax™ White Finish is aesthetically pleasing and easy to clean, able to be pressure-washed up to 1,000 psi with a 15-degree or greater spray tip (at minimum 3’ distance).
* Thermax™ Sheathing is a former product of The Dow Chemical Company
Features & benefits
| Feature | Benefit |
|---|---|
| Easy to cut, handle, and install |
|
| Moisture Resistant |
|
Physical properties
| Method | Unit | Value | |
|---|---|---|---|
| Compressive Strength1 | ASTM D1621 | psi, min. | 25 |
| Water Vapor Permeance | ASTM E96 | perm, max | 0.03 |
| Maximum Use Temperature | - | °F | 250 |
| Flexural Strength | ASTM C203 | psi, min. | 40 |
1 Vertical compressive strength is measured at 10 percent deformation or at yield, whichever occurs first
Available sizes
U.S.
| Thickness (in) | Box quantity | Board Size (ft) | Edge Treatment | |
|---|---|---|---|---|
| 0.5 | 3.3 | 4 x 8, 4 x 9, 4 x 10 | Square Edge, Shiplap | |
| .75 | 5.0 | 4 x 8, 4 x 9, 4 x 10 | Square Edge, Shiplap | |
| 1.0 | 6.5 | 4 x 8, 4 x 9, 4 x 10 | Square Edge, Shiplap | |
| 1.25 | 8.0 | 4 x 8, 4 x 9, 4 x 10 | Square Edge, Shiplap | |
| 1.5 | 9.8 | 4 x 8, 4 x 9, 4 x 10 | Square Edge, Shiplap | |
| 1.55 | 10.0 | 4 x 8, 4 x 9, 4 x 10 | Square Edge, Shiplap | |
| 1.75 | 11.4 | 4 x 8, 4 x 9, 4 x 10 | Square Edge, Shiplap | |
| 2.0 | 13.0 | 4 x 8, 4 x 9, 4 x 10 | Square Edge, Shiplap |
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