1. Fiber cement external wall hanging board
Fiber cement wallboard has the functions of fire prevention and corrosion prevention, and the material weight is relatively large. Generally, keel needs to be added for installation, and the surface needs to be painted, and its appearance effect generally depends on the service life of the coating.
2. Metal external wall hanging plate
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 siding is relatively high and the installation requirements are complex.
3. PVC external wall hanging board
PVC external wall hanging board is a kind of plastic material mainly composed of rigid PVC, which is generally used for the external wall of buildings. It can cover, protect and decorate the outer wall. PVC siding can also be recycled, and the manufacturing process consumes less energy than cement and ceramic tiles. It is a green building material conducive to environmental protection.
4. Stone hanging board
Stone is also a common wallboard. It has most of the functions required by wallboards and is used by many buildings. However, there are some defects in stone: 1 Some stones have radiation, which will cause certain harm to human body; 2. Stone is a non renewable resource with high price; 3. It is very heavy and has high requirements for exterior walls and steel structures
