ThinR Flat Roof Insulation ALU Plywood 150mm | Howarth Timber
59.5mm Xtratherm XT/TL Thermal Liner Dot and Dab Insulated Plasterboard
Thin-R XT/TL IAB Cert - Xtratherm
Unilin Thermal Liner PIR Insulated Plasterboard (formerly Xtratherm Insulation) Unilin Thin-R XT/TL 2400mm x 1200mm x 37.5mm to 72.5mm - The Underfloor Heating Site
Xtratherm | 87.5mm Safe-R Thermal Liner SR/TB | Brighton Store