Soundproof Steel Door

Guangzhou MQ Acousitc Materials Co., Ltd is one of the most experienced manufacturers and suppliers of soundproof steel door in China. Welcome to buy soundproof steel door made in China here and get free sample from our factory. All customized products are with high quality and competitive price.

soundproof steel door production precautions 1. The double door lap joints of soundproof door should be made into double L-shaped joints. In the middle of the lap joint, a sponge rubber strip should be installed in the door. When the door is closed, the sponge rubber strip is squeezed tightly on both sides of the lap joint, and a 2mm wide gap should be left between the doors. 2、soundproof steel door outer package should be wrapped with artificial leather. Between the artificial leather and the wooden door fan should be filled with rock wool blanket, and then pressed on the surface of the door fan regularly with double artificial leather pressure strip, and then nailed with bubble nails, the surface of artificial leather should be wrapped tightly and tautly flat. A 5mm wide gap should be left between the bottom of the door and the ground, and then a 3mm thick rubber strip should be pressed and nailed to the lower part of the door with a long flat iron, and the rubber strip should be elongated by 5mm at the contact with the ground to close the gap between the door and the ground. 3, soundproof steel doorproduction must pay attention to the connection between the door and the door frame, because we go out to the sound insulation door itself outside the door body. If the connection with the door frame is not tight, the noise will still spread in, so the production process should do a good job on the details.

soundproof steel door specification

Sound insulation projects are in accordance with certain standards to use sound insulation materials, sound insulation door in the use of acoustic standard requirements are as follows.

Class 4 standard: [70 db at daytime, 55 db at night] - both sides of road traffic arteries in cities, both sides of inland waterways/railway arteries in urban areas

Class 3 standard: [60 dB daytime, 50 dB nighttime] - mixed industrial, commercial and residential areas

Class 2 standard: [70 decibels daytime, 55 decibels nighttime] - both sides of the main road traffic routes in the city, both sides of the inland waterway/railway trunk lines in the city [50 decibels daytime, 40 decibels nighttime] - convalescent areas, senior villa areas, senior hotel areas and other areas requiring special quiet

Class 1 standard: [55 dB daytime, 45 dB nighttime] - residential, cultural and educational institutions mainly in the region Class 0 standard: [65 dB daytime, 55 dB nighttime] - industrial areas

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