Bar Bar acoustic insulation, bar noise sources are generally people's loud noise, subwoofer and other audio-visual equipment. Among these people, usually by loud noise insulation measures such as noise walls can easily solve http://www.gzdin.com/  but like this low-frequency noise  subwoofer is often very strong penetration. General noise filters to remove all methods are not noise. The subwoofer is contact with the wall and thus pass through the ceiling guide noise upstairs. Bar noise about nothing more than to be done before and after a few up and down a ceiling soundproof walls. Bar wall insulation general practice: the solid walls plaster walls finished fixing wooden (because light steel keel over wooden sound transmission performance is weaker, it is recommended to use wooden, also called damping wooden) timber side is greater than the thickness of recommendations 5CM, this is part of the cavity to keep doing silencer treatment, like to do a room in the house structure, and then filling sound-absorbing insulation products like cotton, or replaced with a sound-absorbing coating. Order to make the most superficial layer of damping baffles days, it is more perfect. So how do bar ceiling soundproofing? Common practice is to hang a good screw with the keel (best done with a wooden brush fire retardant coating) and then do the soundproofing spray / cotton insulation, sound insulation coating can be divided into the fire and no fire spraying, cotton insulation density have good control, the soundproof wall treatment approach probably little difference, the only way to do better soundproofing, if you need better sound insulation bar, it is recommended to replace the wooden walls damping Equipment, smallpox same reason. Bar soundproofed to ensure foolproof. In addition to soundproof walls and soundproofing ceilings are finished, the rest is ground vibration noise problems often go to the bar shoes is more clear, bar ground need to carry hundreds or even thousands of people in the same piece of ground jumps carnival, general practice: the concrete floor Xianpu ground vibration pads and holes and insulation blankets, and then use the ground filled shock absorbers come in the middle of doing acoustic absorber coating, finally finished and then covered with a plate seal concrete floor or the like of the material. Ceiling walls there are some details need to focus on, or do not appear strong acoustic sound leakage structure. Many kinds of insulation methods, bars insulation materials, also abound, different sound effects at different prices, so it is recommended to do a bar or find a more professional soundproofing company to guide. Guangzhou Di sound company is the manufacturer, sound-absorbing insulation renovation works throughout the country and offers a variety of sound-absorbing coating, insulation coatings, sound-absorbing materials, insulation materials, acoustic panels, acoustic panels. Price concessions, welcomed phone Jiangsu Sales receive free samples and designs! Changzhou, Jiangsu Bar Bar acoustic insulation wall insulation Nantong, Suzhou Bar Bar Ceiling Soundproofing Website: http://www.gzdin.com/jiubaxiyin.html Tel :400 -005-0005 13113994000 Wong