Roofing material for covering rafters of building roof, has cover plate firmly connected to isolation device to cover rafters of building roof

摘要

The roofing material (1) has a cover plate (2) firmly connected to an isolation device (3) to cover the rafters of a building roof. The cover plate is formed with a smooth surface (7), and folded portions (6) on its edges (5). The cover plate also has rigid walls (11) that form a chamber (12).