ClickCease

Below Grade, Foundation, Perimeter Insulation - Foundation Walls

StarRFoam Foundation Wall insulation is a lightweight, closed cell, rigid insulation manufactured from expanded polystyrene (EPS). StarRFoam EPS meets or exceeds ASTM C578, Standard Specification for Rigid, Cellular Polystyrene Thermal Insulation.
 Foundation Walls

Applications

  • Foundations
  • Below grade insulator
  • Basements

Benefits

  • Energy efficient
  • Cost-effective
  • Environmentally friendly
  • User friendly
  • Code approvals
  • Protection from expansive soils
  • Stable R-values
  • Moisture resistant
  • Proven performance
  • Termite protection available
  • No CFC, HCFC, HFC, or formaldehyde

Product Data Sheets

Foam Product Type Application View / Download
Foundation Walls All Continuous Insulation View Download

NEED A FOAM QUOTE?

Click here to fill out an online quote form and one of our experts will contact you, or call now.

  • Available sizes:
  • 4’x4′ and 4’x8′ sheets or blocks
  • Thicknesses ranging 1/8″ to 40″
Properties Type XI Type I Type VIII Type II Type IX Type XIV Type XV Test Method
Nominal Density (pcf) 0.7 1.0 1.25 1.5 2.0 2.5 3.0 ASTM C303
Thermal Resistance (R-Value) ASTM C518 or C177
(per inch) at @25°F 3.60 4.35 4.55 4.76 5.0 5.05 5.10
(per inch) at @40°F 3.40 4.17 4.25 4.55 4.76 4.85 5.05
(per inch) at @40°F 3.20 3.85 3.92 4.17 4.35 4.50 4.60
Water Vapor Permeability (perms) 5.0 5.0 3.5 3.5 2.5 2.5 2.5 ASTM E96
Water Absorption (max. % volume) 4.0 4.0 3.0 3.0 2.0 2.0 2.0 ASTM C272
Oxygen Index, Min. 24% 24% 24% 24% 24% 24% 24% ASTM D 2863
Properties Type XI Type I Type VIII Type II Type IX Type XIV Type XV Test Method
Comprehensive Strength @10% deforamtion, min. (pcf) 5.0 10-14 13-18 15-21 25-33 40.0 60.0 ASTM D1621
Flexural Strength (min. psi) 10.0 25.0 30.0 35.0 50.0 60.0 75.0 ASTM C203
Dimensional Stability 2.00% 2.00% 2.00% 2.00% 2.00% 2.00% 2.00% ASTM D2126
Flame Spread <20 <20 <20 <20 <20 <20 <20 ASTM E84
Smoke Devolped 150-300 150-300 150-300 150-300 150-300 150-300 150-300 ASTM E84
Climate Zones