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The RECTICEL EUROTHANE® GP 150 mm x 1200 x 2400 PIR Insulation Board is a high-performance rigid insulation solution designed for walls, floors and roofs where very high thermal efficiency is required. With a low lambda value of 0.022 W/mK, it helps significantly reduce heat loss and achieve excellent energy performance, supporting compliance with Building Regulations Part L and low-energy building standards.
Manufactured from rigid polyisocyanurate (PIR) foam, EUROTHANE® GP delivers outstanding thermal insulation in a robust profile suited to high-performance building envelopes. The 150 mm thickness is ideal for projects requiring enhanced insulation levels and minimal heat loss. Supplied in large 1200 x 2400 mm boards, it allows fast installation with fewer joints, improving thermal continuity. The product is 100% PEFC certified (CU-PEFC-867959), supporting responsible and sustainable construction practices.
High-performance PIR insulation board
Lambda value: 0.022 W/mK
150 mm thickness for very high thermal performance
Suitable for walls, floors and roofs
Rigid board for dimensional stability and durability
Large 1200 x 2400 mm format reduces joints
100% PEFC certified (CU-PEFC-867959)
External wall insulation systems
Floor insulation for low-energy buildings
Pitched and flat roof insulation
New-build and refurbishment projects
Residential and commercial construction
Excellent thermal performance for low-energy construction
Supports Part L energy efficiency requirements
Helps reduce thermal bridging when installed correctly
Easy to cut and install using standard tools
Rigid PIR core ensures long-term insulation performance
Product Type: PIR Insulation Board
Product Range: EUROTHANE® GP
Manufacturer: Recticel Insulation
Material: Polyisocyanurate (PIR)
Thickness: 150 mm
Thermal Conductivity (Lambda): 0.022 W/mK
Board Size: 1200 x 2400 mm
Certification: 100% PEFC Certified (CU-PEFC-867959)
Application: Walls, Floors and Roofs
The RECTICEL EUROTHANE® GP 150 mm PIR Insulation Board is an ideal choice for projects targeting very low U-values and high thermal performance. Its 0.022 W/mK lambda value, large board size and PEFC certification make it a reliable and sustainable solution for modern, Part L-compliant construction.