(1) When making the sound insulation door, the door leaf core should be filled with ultra-fine glass wool or rock wool, but it should not be compacted and should be kept soft to ensure its sound insulation effect.
(2) The gap between the door leaf and the door frame is embedded in the groove on the door frame by using an elastic material such as a sponge rubber strip, and is firmly clamped. The cross-sectional dimension of the sponge rubber strip should be 1mm larger than the width of the groove on the door frame, and protrude 2mm from the frame edge to ensure that the gap can be tightened tightly after the door leaf is closed.
(3) The door lap joints of the double-sound-insulated doors shall be made into double L-shaped slits. In the middle of the lap joint, a sponge rubber strip should be provided. When the door leaf is closed, the sponge rubber strip is squeezed on both sides of the lap joint, and a gap of 2 mm width should be left between the door fans. The wood at the joint should not be in direct contact with the wood.
(4) The outer soundproof door should be wrapped with artificial leather. The rockwool blanket should be filled between the artificial leather and the wooden door leaf, and then pressed on the surface of the door leaf with a double-layer artificial leather bead, and then nailed with a foaming nail. The surface of the artificial leather should be tightly packed and stretched.
(5) A gap of 5 mm wide should be left between the bottom of the acoustical door leaf and the ground, and then a 3 mm thick rubber strip should be nailed to the lower part of the door leaf with a long flat iron. The rubber strip should be extended by 5 mm in contact with the ground to close the door leaf. A gap between the ground.
(6) The soundproof door with waterproof requirements, the door leaf can be made of refractory fiberboard, each side is set with 5mm thick asbestos board, and then the 26th galvanized iron sheet is full, and the exposed door frame part should also be wrapped with galvanized iron sheet.
(7) The hardware of the sound insulation door should be compatible with the function of the sound insulation door. For example, the hinge should use a silent hinge.
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