The 126mm Unilin FR/TP is a composite insulation board that integrates a Polyisocyanurate core with a foil-backed composite facing, laminated to 6mm WBP-grade plywood. This engineered solution delivers both thermal insulation and structural decking capabilities, making it particularly suited for new-build and flat roof refurbishment projects.
The 126mm Unilin FR/TP was previous known as 126mm Xtratherm FR/TP.
Brand: Unilin ®
Model: 126mm FR/TP
Dimensions: 2,400mm x 1,200mm x 126mm
Thickness: 120mm PIR + 6mm Plywood (126mm overall)
Length: 2400mm
Width: 1200mm
Weight: 33.25kg
Compressive Strength: 150 kPa (10% Compression)
Density: 32 Kg/m3
Type: Thermal Ply High Performance PIR Insulation and Plywood Composite for Flat Roofs
Material: Polyisocyanurate core ǀ Plywood
Profile: Square Edge
Thermal Conductivity: 0.022W/mK
R-Value: 5.45m2K/W
Vapour Resistivity: 100 MNs/gm
Type of finishing board: 6mm WBP plywood
Inner facing: Foil Facer
Outer facing: Foil Facer
Finish: Gas-tight foil ǀ WBP Plywood
Shipping method: Articulated Vehicle ǀ Courier
Applications: Flat Roof Insulation ǀ Hot Bitumen ǀ Decking
Features: Rapid Weather Proofing ǀ 3 in 1 Solution
Refer to BS 4841: Part 3 recommendations and the relevant membrane manufacturer's certification when designing flat roof systems.
Flat roof falls must be consistent and sufficiently pitched to prevent water pooling and ensure proper drainage.
Explore our comprehensive Unilin range and refine your selection by thickness or coverage using the filters on the left. For technical advice on product suitability or bulk quotations, contact us on +4402038839057, email sales@insulationbee, or use Live Chat for competitive UK Insulation pricing.








