IKO torch on economy Sealtorch consists of a polyester carrier coated with APP modified bitumen. The upper surface is talc finished and the lower surface has a sacrificial film which rapidly melts during the torching operation. A 75mm sacrificial selvedge facilitates easy bonding of side laps. Economy Sealtorch is intended for use as part of a torch-applied built up roofing system for flat and sloping roofs. It is ideal for both new roofs and the repair of existing felt and asphalt roofs. Available in 10m x 1m rolls.