DuPont™ Styrofoam™ Brand Edge Extruded Polystyrene Foam Insulation

 
 
 
Commercial | Residential | Multifamily | Wall

A proven solution for wet environments

Ideal for use in attics, foundations, and crawl spaces, STYROFOAM™ Brand Square Edge Insulation is an extruded polystyrene foam (XPS) insulation that resists water pickup – a characteristic that allows it to keep high R-value.

 
 
 
 
 
 

DuPont™ Styrofoam™ Brand Square Edge Extruded Polystyrene Foam Insulation

Styrofoam™ Brand Square Edge Insulation* is an extruded polystyrene foam (XPS) insulation board that meets the needs of the commercial foundation and building floor slab market and can also be used for attics, foundations/slabs and crawl spaces in residential applications. With more than 60 years of proven performance in wet environments, the closed-cell structure of Styrofoam™ Brand Square Edge Extruded Polystyrene Foam Insulation resists water pickup, enabling it to retain a high R-value** over time – a necessary property in wet, below-grade commercial foundation applications.

 

* Styrofoam™ Brand Square Edge Insulation is a former product of The Dow Chemical Company

 
 
 

Features & benefits

Feature Benefit
Excellent adhesion
  • Impact resistant
  • Bonds dry, treated, damp and frozen surfaces
  • Can be used under almost all weather conditions
  • Enhanced productivity
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    Physical properties

    Method Unit Value
    Thermal Resistance per inch @ 75°F mean temp. @ 40°F mean temp. @ 25°F mean temp. ASTM C518 ft2 •h•°F/Btu, R-value, min. 5.0
    - - 5.4
    - - 5.6
    Compressive Strength ASTM D1621 psi, min. 25
    Water Absorption ASTM C272 % by volume, max. 0.3
    Water Vapor Permeance ASTM E96 perm, max 1.5
    Maximum Use Temperature - °F 165
    Coefficient of Linear Thermal Expansion ASTM D696 in/in•°F 3.5 x 10-5
    Flexural Strength ASTM C203 psi, min. 50

    1 R-values are consistent with criteria of ASTM C578 and the requirements of the FTC R-value rule (16 CFR Part 460).

    2 Vertical compressive strength is measured at 10 percent deformation or at yield, whichever occurs first.

    3 Based on 1” thickness.

     

     
     
     

    Available sizes

    U.S.

    Thickness (in) Board Feet per Pallet Bundles per Unit Pieces per Bundle Pieces per Pallet
    1 x 48 x 96 1 3072 8 12 96
    1.5 x 48 x 96 1.5 3072 8 8 64
    2 x 48 x 96 2 3072 8 6 48
    2.5 x 48 x 96 2.5 2800 7 5 35
    3 x 48 x 96 3 3072 8 4 32
    3.5 x 48 x 96 3.5 2688 8 3 24
    4 x 48 x 96 4 3072 8 3 24