1. Fiber cement external wall hanging board
The fiber cement panel has the functions of fire prevention and corrosion protection, and the material weight is also relatively large. Generally, the keel needs to be added for installation, and the surface needs to be painted. The appearance effect generally depends on the service life of the coating.
2. Metal external wall hanging board
The metal external wall hanging plate is a composite material, mainly composed of three parts, the surface is a metal plate, the middle layer is a polyurethane foam insulation layer, and the bottom layer is an aluminum foil protection layer. The cost of metal panel is relatively high, and the installation requirements are complex.
3. PVC external wall hanging board
PVC exterior wall hanging board is a kind of plastic profile mainly composed of rigid PVC, which is generally used for building exterior wall: it can play the main role of covering, protection and decoration in summer. PVC panels can also be recycled, and the manufacturing process consumes less energy than cement and tiles. It is a kind of green building material beneficial to environmental protection.
4. Stone hanging board
Stone is also a kind of common wallboard, which has most of the functions required by wallboard and is used in many buildings. First of all, some stones have radiation, which will cause certain harm to the human body; second, stones are non renewable resources, which are expensive; third, they are very heavy and have high requirements for external walls and steel structures.
