Description
Styrofoam™ Brand Square Edge XPS Extruded Polystyrene Insulation is a foam insulation board that meets the needs of the commercial foundation and building floor slab market. It also can be used for attics, foundations/slabs and crawlspaces in residential applications. The product’s closed-cell structure resists water pickup, enabling it to retain a high R-value over time – a necessary property in wet, below-grade commercial foundation applications. The Styrofoam™ Brand XPS product line gives you the proven thermal and moisture performance to design and build energy-efficient, resilient structures for all six sides of your commercial building. It’s lightweight and easy to install, which makes the work go faster, and it’s readily available through our wide distributor network. When and where you need it, Styrofoam™ Brand is there.
Features
- Moisture Resistant:
- Stable long-term R-value
- Superior resistance to water absorption, water vapor transmission, and freeze thaw cycling
- Energy Efficient:
- Contributes to a more durable, sustainable structure
Specifications
| Physical Properties | Method | Unit | Value |
|---|---|---|---|
| Thermal Resistance per inch, 75°F mean temp., R-value1 | ASTM C518 @ 75°F mean temp., Btu•in/ft2•hr•°F | – | 5.0 |
| Compressive Strength (PPSH-57)2 | ASTM D1621 (ASTM-65) | psi, min. | 25 |
| Water Absorption (PPSH-277) | ASTM C272 | % by volume, max. | 0.1 |
| Water Vapor Permeance3 | ASTM E96 | perm, max | 1.5 |
| Maximum Use Temperature | – (ASTM-2) | °F | 165 |
| Coefficient of Linear Thermal Expansion (PPSH-49) | ASTM D696 (ASTM-89) | in/in•°F | 3.5 x 10^-5 |
| Flexural Strength (PPSH-118) | ASTM C203 | psi, min. | 50 |
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