The professional casement door has good airtightness, which can effectively prevent wind, sand, dust or other debris from entering the house.
Good airtightness: When the swing door first appeared, it was the original shape of the door. At that time, it was required to effectively prevent wind, sand, dust, or other impurities from entering the house, so the sealing performance was required to be high. Swing doors have more layer of glue around the sides than other doors, which can effectively block them when in use. High safety: The safety performance of the swing door is higher than that of other categories. The swing door can be installed with a lock when it is in use, and for general households, the swing door is made of relatively sturdy materials, which is very convenient and safe to use. Many materials: There are many materials for making flat doors. Various materials such as wood, glass and plastic can be used to make flat doors. Therefore, in terms of price, there are more choices for flat doors. Each family or enterprise can choose the price and materials of the hinged door according to its own conditions.