Xtratherm TR/MG is a high performance Polyisocyanurate with mineral coated glass facers suitable for use below single ply fully adhered roof membranes, single ply waterproofing systems and partially bonded built-up felt. The insulation boards are embedded in a layer of bitumen on a 3G type felt to BS 747 that has been adhered to the deck. Benefits of Xtratherm TR/MG High performance Ridgid Insulation Thermal conductivity as low as 0.024W/mK Suitable for Fully Bonding with Approved Adhesive LPC/FM ApprovedNon-deleterious materials Manufactured without the use of CFCs/HCFCs Zero ODP and Low GWP Suitable for New Build and Refurbishment Projects Practical Solution to Water Ponding with Insulation and Drainage in a Single System Compatible with adhesively bonded single ply roofing membranes laid on mechanically fixed boards Properties Length: 1200mmWidth: 1200mmThickness: 70-90mmFall: 1:60Board Size: 1.44m2Boards Per Pack: 4Density (foam core): 32 kg/m3Compressive Strength: >150 kPa @ 10% compressionThermal conductivity: 0.024 “ 0.027 W/mK