1. Usually, the quotation of the contractor's door materials is around 200 yuan. Simple aluminum-plastic plates are made of good and bad materials. The plate thickness suitable for sticking skills is 3 mm, and the plate thickness suitable for dry hanging skills is 4 mm, and the price difference is quite big.

2. Generally, the aluminum-plastic plate base of external wall is not light steel keel. Considering the effect of sun protection and waterproof, dry hanging technology is generally used for exterior walls. Aluminum-plastic plate is fixed on the square pipe around the elbow, and the joint between them is filled with 995 structural adhesive. Generally, the price of dry-hung aluminum-plastic panels for external walls is about 280 yuan/m2.

3. The price of aluminum-plastic board ranges from 300 yuan per square meter 120 yuan. Stone-like aluminum-plastic board is still a relatively new decorative material, and of course it is rarely used in home decoration.