Unique Roof Repair product formulated with Butyl Rubber for a longer life span, Bitumen for waterproofing and glass fibre for greater strength. Remains Soft and Flexible up to 20 Years after application. It can be applied at temperatures from – 12°C to +50°C, on both dry and wet Surfaces, without dissolving or flowing off. Surfaces include - Metal, Galvanised Steel, Zin, Lead, Copper, Tin, Wood, Insulation, Brick, Concrete, Roofing, Asphalt, Shingles, PVC and Polyester.