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Product specifications

Product data

Firestone ISO 95+ GL insulation boards are available in flat boards of 1.22 x 2.25 m (4' x 7'4.5") and in thicknesses ranging from 25.4 mm to 101.6 mm (1" to 4").

For a detailed R- or U-value calculation, please contact Firestone Technical Department.

Physical properties

Property ASTM test Typical Value EN test Typical Value
Density D-1622 32 kg/m³ 823 32 kg/m³
Compressive strength D-1621 > 138 kPa 826 > 138 kPa
Dimensional stability D-2126 < 2%    
Water absorption C-209 < 1% (by volume) 12087 < 3% (by volume)
Service temperature -73°C to 121°C