4. Steel roofing systems

The design of steel facades and its complementary aspects (strength, installation, durability, thermal and acoustic performance) are covered in the article [C 2 541] . Here, we focus on the technology of flat and pitched roofs using steel panels, insulation and accessories.

Initially invented as a simple "umbrella" for industrial and agricultural buildings, single-skin, then double-skin and finally sandwich-panel steel roofs have become widespread in the construction industry over the past fifty years. They are used to cover a wide range of structures such as warehouses, railway...