Commercial | Exterior Wall
Toughest, most durable polyiso insulation for the Thermax™ Wall System
Optimized for use behind rainscreen exteriors, DuPont™ Thermax™ XARMOR™ (ci) Exterior Insulation is the toughest insulation available for use in our patented DuPont™ Thermax™ Wall System.
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Thermax™ XARMOR™ (ci)
Designed for immediate insulation and weather protection on the job site, as well as long-term thermal performance, DuPont™ Thermax™ XARMOR™ (ci) Exterior Insulation is a rigid foam board insulation with a glass-fiber-reinforced polyisocyanurate foam core that helps improve fire performance and dimensional stability. The core’s tough, 4-mil gray exterior facer provides durability and long-term performance. Used in the DuPont™ Thermax™ Wall System, DuPont™ Thermax™ XARMOR™ (ci) Exterior Insulation can help you design for the future, while its light weight and ease of installation save time and money on the job site.
DuPont™ Thermax™ Brand insulation delivers wall performance you can count on. It’s ready to meet your toughest building challenges – both outside and inside the wall – with a robust polyiso insulation product line and an R-Value that’s proven to be consistent over time and a range of temperatures.
Available Sizes
Standard Thermax™ insulation board dimensions are 4'x8'. Custom lengths are available up to 30'. Please contact your local DuPont representative for additional availability details or call our product support team at 1-833-338-7668
Features & benefits
| Easy to cut, handle, and install |
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| Moisture resistant |
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| Seal with DuPont™ LiquidArmor™ and DuPont™ DuraGard™ CM |
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| Long-term thermal resistance |
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Physical Properties
| Method | Unit | Value | |
|---|---|---|---|
| R-Value (Thermal Resistance at 75°F Mean Temperature)<sup></sup> | ASTM C518 | ft2•hr•°F/Btu | 6.9 |
| R-Value (Thermal Resistance at 40°F Mean Temperature)<sup></sup> | ASTM C518 | ft2•hr•°F/Btu | 7.2 |
| Compressive Strength<sup>3</sup> | ASTM D1621 | Psi, min (kPa) | 25 (170) |
| Water Absorption<sup></sup> | ASTM C209 | % by volume, max. | 0.1 |
| Water Vapor Permeance<sup></sup> | ASTM E96 | perm, max | <0.01 |
| Flexural Strength<sup></sup> | ASTM C203 | Psi, min (kPa) | 40 (275) |
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