Expanded polystyrene (EPS)

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EPS is a widely used insulation material, known for its flexibility and thermal performance.  The boards are able to receive a variety of flat roof waterproofing systems, and can be easily cut to many shapes, sizes and falls as required.
  • Rigid cellular plastic, providing a versatile, moisture resistant thermal insulation solution.
  • Suitable for use under EPDM / butyl rubber roofing and some single layer membranes.
  • The thermal conductivity (lambda value) of EPS is 0.034 - 0.038 W/m·K, dependent on grade.
  • Can be supplied in a multitude of dimensions and thicknesses.
Advantages
  • Good thermal performance
  • Boards are lightweight, non-toxic and inert
  • Moisture resistance due to the boards closed cell structure
  • Huge flexibility for standard roofs or problematic roofs
  • Boards can be cut to any shape, thickness or tapered fall
  • Factory pre-mitred hips and valleys help aid water drainage to outlets
  • Easily accepts waterproofing systems
  • Green Guide A+ rating

Ideal for use within Building Innovation's Hybrid Systems:

Case Studies

Building Innovation

Harvey Road

Burnt Mills Industrial Estate

Basildon

Essex

SS13 1QJ

+44 (0) 1926 888808