Building construction method - by lining secured sheet with plastics foam after shaping by internal pressure

摘要

The building construction method uses a sheet (2) formed of sections of plastics or similar material. The peripheral portion (4) of the sheet is secured to a fixed component (5,8), e.g. the ground, after which internal pressure is used to bring it into a three-dimensional shape. A lining of plastics foam with closed cells or similar material (6) is applied to the inside surface, subject to the pressure, the latter being then released.