The Anderson HT Polyester system was the first bitumen flat roofing membrane system to utilise the high strength performance of polyester carriers following the move to lighter, more flexible modern building structures. The high performance pour & roll cap sheets are oxidised bitumen membranes reinforced with a polyester carrier. Upper surface finished with a green mineral with 75mm selvedge, or sand finished for use in a protected flat roof system. Properties Length: 8m. Width: 1m. Roll size: 8m2. Weight: 37kg. Colour: green mineral. Life expectancy: 30 years. Guarantee: 20 years. Certifbication: BBA certified. Guarantee When installed to Icopal’s specification and by a Team Icopal approved contractor, comprehensive insured guarantee cover for up to 20 years is available. Certification Power Elastomeric capsheets and underlays have been independently site and laboratory tested by the British Board of Agrément, and awarded BBA certificate number 91/2618.