Substructure Insulation Board

Substructure Insulation Boards are manufactured from closed-cell expanded polystyrene (EPS) with low water absorption properties.

Thermal conductivity as low as 0.031 W/mK.

Resistant to the effects of freeze/thaw
High compressive strengths available – 200 and 300 grade and 200 +

Global Warming Potential <5 Ozone Depletion Potential = Zero

 

 

          Key Benefits

  • Fast installation
  • Flood and rot proof
  • Durable
  • Is lightweight and easy to handle
  • Provides long lasting dimensional stability
  • No specialist cutting or PPE required
  • A+ rated in the BRE Green Guide to Specification

Product Specification

1200 x 1200mm (with 15mm rebated edges) Board coverage 1.44m²
Single thickness 50mm up to 240mm (in 5 mm increments)

Product Selector

200 200 + 300
Basement Walls Yes Yes Yes
Basement Floor Yes Yes Yes
Heavy Duty Floors Yes

Downloads — Substructure Insulation Board

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