The Xtratherm TR/BGM Tapered Roof Board 50-70mm is a high-performance insulation solution designed for flat roofing systems. This tapered insulation board helps to create effective falls towards drainage outlets, reducing the risk of water ponding. Manufactured with rigid PIR (polyisocyanurate) foam and finished with a bonded glass tissue facing, the Xtratherm TR/BGM provides excellent thermal efficiency and durability. Covering an area of 5.76m2 per pack, it is suitable for new build and refurbishment projects, supporting compliance with UK building regulations for energy performance in roofing applications.