Delivery: IN STOCK. Next Day Delivery (if ordered before 14:00) Key Features: Width: 1.5mtr Length: 50mtr Coverage: 75m2 Weight: 145 g/m2 Material: Extra Strong Four-layer membrane, which includes a reinforced grid that offers additional safety benefits Use: A premium, high strength breathable roof underlay for cold and warm roof applications Certification: BBA approved low resistance membrane Description: Part of The Specialist membrane range, Forte is Klober's strongest roofing breathable membrane. The four-layer, vapour-permeable roof membrane includes a built-in grid. Premium strength breathable membrane. A top of the range, strong and robust vapour permeable underlay. Featuring water-proof, four- layer material suitable for cold and warm roof applications. Permo Forte 145 is a particularly effective solution for controlling condensation and is a BBA approved low resistance roof membrane. Permo Forte 145 can be installed in both unsupported and fully supported applications. Very strong and robust vapour permeable underlayWater-proof Four- layer materialBBA, IAB and CE certifiedSuitable for non ventilated cold and warm roof applicationsNo ventilation of the roof void requiredUV Stable for four monthsHydrophobic treated Downloads & Data Sheets: Permo Forte Data Sheet Permo Forte BBA Certificate