When making the soundproof door, ultra-thin glass wool or rock wool is used to fill the core of the door core, but it should not be squeezed and compacted. It should be kept in a soft state to ensure its soundproof effect. The gap between the door leaf and the door frame is covered with a resilient material, such as a sponge rubber, embedded in the groove in the door frame. The section size of the sponge rubber strip should be 1mm larger than the width of the groove on the door frame, and protrude 2mm from the edge of the frame to ensure that the gap can be tightly closed after the door leaf is closed.
Double-leaf door lap joints should be made into double L-shaped seams. In the middle of the lap seam, sponge rubber strips should be set. When the door leaf is closed, the sponge rubber strips will be squeezed tightly on both sides of the lap joint, and a gap of 2 mm wide should be left between the door leaves. There should not be direct contact between the wood and the wood at the joints. Outsourcing soundproof doors should be wrapped with artificial leather. Between the artificial leather and the wooden door leaf should be filled with rock wool blankets, and then double leather artificial leather pressure layer regularly pressed on the surface of the door leaf, and then nailed with foam nails, artificial leather surface should be tight, flattening.
A gap of 5mm width shall be left between the bottom of the soundproof door leaf and the ground, and then a 3mm thick rubber strip shall be pinned to the lower part of the door leaf with a long flat iron. The rubber band contacting the ground shall be stretched by 5mm to close the door leaf to the ground. The gap. There is a soundproof fireproof door with waterproof requirements. The door leaf can be made of fire-resistant fiberboard. Each side is studded with a 5mm thick asbestos board, and then the 26th galvanized iron sheet is full. The exposed doorframe part should also be wrapped with galvanized iron sheet. The soundproof door hardware should be compatible with the function of the soundproof door, such as hinges should be used silent hinges.