soundproofing floor joists

Posted in Soundproofing by admin on June 30, 2008 No Comments yet

soundproofing floor joists

"How can I soundproof my garage, basement or a room in my family house or condominium for my 4 rock band can practice and record and not disturb the neighbors? "If I had a dollar for every time you raised this question, would be in the Bahamas at this time, instead of writing this article. Many factors must be considered before starting their study or practice room soundproofing project. Some of the questions you should ask are: What type of amplification the band to use, are the drums going to be acoustic and Miked or are digital. Are you going to be the live recording at night or going to do "online" only recording? These questions and many more need to be considered before construction starts. If the live recording and rehearsal are the plan, then maximum soundproofing will be needed.

The most effective way to soundproof a garage, basement or bedroom is actually building a room inside a room (go to www.auralex.com) and download the free booklet "Acoustics 101" This is a wonderful resource for studying the home builder. His ideas are sound and applicable to any project studio soundproofing. The room inside a concept of room uses the sealed dead air space that is captured between the interior walls and exterior walls to help greatly with the soundproofing effort. Is probably easiest to frame the walls on the floor and then tilt up into place that makes the dry wall outside the walls much easier. Also is highly recommended that another ceiling joist out of the room within a room, however, this is often not possible due to space limitations.

In this case, the roof of the existing ceiling joists and can be used as the ultimate ceiling for the study, provided it is properly soundproofed with materials such as the loaded mass vinyl or a combination of mat closed cell foam and MLV. I will elaborate on these materials, as more in this article. Once the walls are framed out and the right amount of "dead air space" is determined, then it is time to install the soundproofing. The first task is to examine what to do the wall cavities prior to installing a barrier and finally the wallboard. I like the line within the cavities with a closed cell vinyl mat nitrile foam, such as American Mat. This mat (generally 1 / 4 "thick) sticks to the interior cavity walls and on the studs and beams using a cement contact to adhere the mat. Note that the mat of America is used to line the cavities only, not to fill the cavity.

If necessary insulation, use products such as rock wool, mineral wool, cut wool fibers, or my favorite, Roxul. Roxul is a major type of rock wool insulation Based on batt that has great soundproofing qualities. If the insulation is a requirement for the test room or study, then is the way Roxul follow.
Now we come to a crossroads, it is time to determine if decoupling the walls using resilient channels or sound clips from America is a necessity. Coupling is used when the transmission of impact or low frequency noise is a factor. Impact mainly from the drums (acoustic type) or amplifier serious.

However, if the band is using Marshall high powered amps (50 watt amplifiers 4 X 12 cabinets for example), along with battery Miked noise and low Ampeg system, then decoupling will most likely be necessary. These methods and procedures will be explained in later articles. If determining the dissociation is not needed, then the next step would be to find a good barrier material such as American mass loaded vinyl (which is a mass loaded quality vinyl barrier). This barrier can be stapled directly to the studwork in a wall mount or directly to the joists. It is a method used if cost or space constraints are factors. If the barrier material to be stapled directly to the stud or joist production then it is best that the seams have been run in for caulked (using OSI acoustical caulking compound) and recorded with the tape is an advantage or a heavy duty PVC seam tape. Once loaded mass vinyl (MLV) is installed and sealed, it is time to install the final layer of plaster. I always recommend using 5 / 8 "drywall as the final layer because of its mass and its good ability to block .. It is always advisable to butter the edges of the last layer of plaster with putty acoustics. Want to make every STC (sound transmission class) point ok when it comes to their new study as evidence of sound. Finally tape mud and paint from your final coat of plaster. Now you have a great studio sound proof home recording.
We will discuss acoustical treatments for study in the following articles, but for now are well on your way to having a recording studio professional degree at home.

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Article Source: ArticlesBase.com - Building a Home Recording Studio


Methods of improving the sound insulation of existing simple wood joist floors (Building Research Establishment current paper) Methods of improving the sound insulation of existing simple wood joist floors (Building Research Establishment current paper)

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