Thermal Sheathing 2400x1200mm

Price range: £22.14 through £74.39

High-performance rigid Polyisocyanurate (PIR) insulation boards designed for superior thermal efficiency in roofs, walls, and floors. Available in a wide range of thicknesses from 25mm to 150mm, these 2400mm x 1200mm boards are lightweight, easy to install, and feature low-emissivity foil facings to maximize energy retention.

SKU: Thermal Sheathing Categories: ,

Description

Our Thermal Sheathing PIR Insulation boards are the ideal solution for reducing energy costs and meeting building regulations in both new builds and refurbishment projects. Manufactured with a high-performance rigid polyisocyanurate (PIR) core and faced on both sides with low-emissivity composite foil, these boards significantly reduce thermal conductivity across the building envelope.

Versatile and robust, this insulation is suitable for a variety of applications, including warm pitched roofs (above, between, or below rafters), flat roofs, timber frame walls, and solid floor systems. The boards are lightweight for easy handling yet strong enough to span rafters and sustain standard roof loads. With an A+ BRE Green Guide rating and zero Ozone Depletion Potential (ODP), they offer an environmentally responsible choice for sustainable construction.

Product specification

  • Product Type: Rigid PIR (Polyisocyanurate) Insulation Board
  • Sheet Size: 2400mm x 1200mm (8ft x 4ft)
  • Available Thicknesses: 25mm, 50mm, 70mm, 90mm, 100mm, 120mm, 150mm
  • Thermal Conductivity: Low thermal conductivity (typically 0.022 W/mK)
  • Facings: Low-emissivity composite foil facings on both sides
  • Environmental Rating: A+ BRE Green Guide Rating
  • Sustainability: Zero Ozone Depletion Potential (ODP); GWP < 5
  • Key Benefits: Lightweight, easy to cut/install, and moisture resistant
  • Roof Applications: Pitched roofs (above/between/below rafters), Flat roofs, and Ceiling level
  • Other Applications: Wall framing and floor insulation

Additional information

Thickness

25mm, 50mm, 70mm, 90mm, 100mm, 120mm, 150mm

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