STYROFOAM™ Brand CLADMATE™ Insulation (Canada Only)

A Type X extruded polystyrene foam board that helps reduce thermal bridging in walls and attics.

Used In

  • For residential and commercial applications
  • For new and retrofit construction in walls and attics

Product Advantages

  • Easy to handle, cut and install
  • Shiplap edge and butt edge (depending on board thickness)
  • Several thicknesses and RSI values available

Typical Physical Properties

These properties are typical but do not constitute specifications.

STYROFOAM™ CLADMATE™

Board Thickness(1), in (mm) R-Value(2) (RSI) Board Size, ft (mm) Edge Treatment Min Compressive Strength(3), psi (kPa)
.75 (14) 3.75 (0.66) 2 x 8 (600 x 2400) Butt Edge 16 (110)
.8 (20) 4.0 (0.70) 2 x 8 (600 x 2400) Shiplap 16 (110)
1.0 (25) 5.0 (0.88) 2 x 8 (600 x 2400) Shiplap 16 (110)
1.1 (28) 5.5 (0.97) 2 x 8 (600 x 2400) Shiplap 16 (110)
1.4 (36) 7.0 (1.23) 2 x 8 (600 x 2400) Butt Edge / Shiplap 16 (110)
1.5 (38) 7.5 (1.32) 2 x 8 (600 x 2400) Shiplap 16 (110)
2.0 (50) 10.0 (1.76) 2 x 8 (600 x 2400) Shiplap 16 (110)

(1) Not all product sizes are available in all regions.

(2) R means resistance to heat flow. The higher the R-value or RSI (R-Value Système Internationale), the greater the insulating power. R-values are expressed in ft2• h•°F/Btu. RSI values are expressed in m2 °C/W. R-value determined by ASTM C518 as per CAN/ULC S701-97 (supersedes CAN/CGSB 51.20-M87).

(3) Vertical compressive strength is measured at 10% deformation (5% for STYROFOAM™ Brand HIGHLOAD Insulation - 40, 60 and 100 products) or at yield, whichever occurs first. Since STYROFOAM™ Brand Extruded Polystyrene Insulation products are visco-elastic materials, adequate design safety factors should be used to prevent long-term creep. Adequate design safety factors are needed.  For more information visit our Answer Center.

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