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EPS foam

EPS foam

Cheap lightweight insulation board.

9 $/m² average price in United States

About the material

EPS foam is a light, low-cost board of expanded polystyrene that keeps walls warm. It is glued to facades and plinths under plaster as an affordable insulation layer.

Where it is used

Insulating facades, plinths and floors of houses and outbuildings.

Technical specifications

Thermal conductivity0.038 W/(m·K)
Density25 kg/m³
Water absorption2.0 %
Vapour permeability0.05 mg/(m·h·Pa)
CombustibilityCombustible

Typical reference values (SP 50.13330 / GOST); the actual figures depend on the manufacturer and grade.