HDF Internal Doors
Materials of interior doors construction : HDF Internal Doors
Quote from Article entitled Materials of interior doors construction:
Doors of fiber building board became popular because of an affordable price. A frame made of wood, covered with sheets of fiber building board, is lightweight; it is easy to transport and to set up. The quality of a door leaf corresponds to the price. Unfortunately, doors of fiber building board have low durability and poor sound insulation. They should be not set up in rooms with high humidity level.
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