Disadvantages of composite doors:

1. The door is heavy, the requirements for door jambs hinges are much higher. The door jambs without paint are also prone to problems.

2. High price: take the popular black walnut as an example, the price is about 4500 yuan, the price of common catalpa, tussah Manchurian ash is about 2400 yuan;

3. Easy to crack deform: the paint surface is generally polyester paint, the paint is easy to crack at the joint (process joint) between the door edge the upper lower wharf the door core plate.