With mineral-coated glass facings, these TR/MG high-performance polyisocyanurate tapered roof boards from Xtratherm are suitable for offering insulation below single-ply waterproofing systems, partially bonded built-up felt and single-ply fully adhered roof membranes. They are embedded in a layer of bitumen on a 3G-type felt to BS 747 that has been fixed to the deck.
Ideal for both new build and refurbishment applications, these high-performance rigid insulation boards, with a 110-130mm thickness, provide a practical solution to water ponding by combining insulation and drainage into a single system. Manufactured from LPC/FM-approved non-deleterious materials, they are made without the use of HCFCs or CFCs and with zero ODP and low GWP.
Features & Benefits: Xtratherm TR/MG Tapered Roof Board 110-130mm – 5.76m2
- Thermal conductivity as low as 0.024-0.027W/mK
- Suitable for fully bonding with approved adhesive
- Compatible with adhesively bonded single-ply roofing membranes laid on mechanically fixed boards
- 1200mm length x 1200mm width x 110-130mm thickness
- >150kPa compressive strength at 10% compression
- 1:60 fall
- 32kg/m³ foam core density
- 1.44m² board size
- Four boards per pack with 5.76m² total coverage
- Perfect solution to water ponding with drainage and insulation in a single system











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