Timber Frame construction represents a structural building method employing substantial timber elements to support the framework. In timber frame buildings, the external structural wall incorporates timber studs that distribute loads through to the foundation system. The walls, floors, and roofs function as an integrated, engineered structural assembly.
The 50mm Unilin Thin-R XT/TF system delivers enhanced thermal performance for wall insulation in timber framed construction, exceeding standard building regulation requirements. Installing 50mm XT/TF within timber framed walls facilitates compliance with Future Home and Passive House Standards.
Brand: Unilin
Thickness: 50mm
Available Thicknesses: 25mm, 30mm, 40mm, 50mm, 60mm, 80mm, 100mm, 120mm
Dimensions: 2.4m x 1.2m x 50mm
Area: 2.88m²
Density: 30kg/m³
Thermal Conductivity: 0.022W/mK
Thermal Resistance: 2.25 m²K/W
Compressive Strength: 140kPa
Water Vapour Resistivity: 100MN.s/g.m
Surface Spread of Flame: Class 1
Type: PIR Insulation for timber frame walls
Application: Wall Insulation
Inner Facing: Foil Facer
Outer Facing: Foil Facer
Compressive Strength Rating: CS (10\Y) 140
Reaction to Fire: Euroclass E
EPD: An Environmental Product Declaration (EPD), certified by IGBC is available for this product.
Explore our comprehensive Unilin range and refine by thickness or coverage using the filters on the left. For project-specific advice or bulk purchase quotations, contact us on +4402038839057, email sales@insulationbee or use Live Chat for competitive UK Insulation pricing.











