Specialty & OEM - Door Cores

Door cores are high-performance, rigid insulation consisting of superior, closed-cell, lightweight, expanded polystyrene (EPS). Available with advanced laminate facers.
 Door Cores

Applications

  • Commercial & residential doors

Benefits

  • User Friendly
  • Environmentally friendly
  • Termite protection available
  • Cost-effective
  • Stable R-Values
  • Moisture resistant
  • Proven performance
  • Mold resistant
  • No CFC, HFC, HCFC, or formaldehyde

Product Data Sheets

Foam Product Type Application View / Download
Door Cores All Specialty & OEM View Download

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  • Available sizes:
  • 4’x8′ sheets
  • 3/8″ to 5″ thicknesses in 1/8″ increments
  • Contact your local sales representative for custom shapes and sizes.
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 5.00 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 10-18 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