| 摘要 |
<p>A construction element such as a wall or roof panel for a building, the construction element being formed from a composite material comprising silica cenospheres and a resin, the resin binding the cenospheres into a solid mass and retains them in a desired shape defining the construction element. A second composite material can be overlaid and bonded to at least a part of the surface of the construction element. The second composite material has a number of layers bonded together. Colouring agents and fire retardant materials can be included within the second composite material.</p> |
