Cement Board Vs Drywall Soundproofing
The current owner of quietrock the pabco corporation says that quietrock was the first such sound dampening panel on the market introduced in 2002.
Cement board vs drywall soundproofing. For sound to conduct through a wall it has to actually move the wall a teeny bit. Examples of heavy materials include drywall plywood osb and cement board. Quiet brand products improve architectural freedom and promote sustainable construction. Cement board has a higher density than 5 8 drywall.
The cement board is heavier and stiffer than plywood and will offer better performance. Drywall is one of the lowest cost sources of mass available. The current entry level product most suitable for diy installation is product 510 carried by lowes home improvement centers. Use thicker heavier drywall like 5 8.
What i am going to do first is lay down 2 lb mlv acoustically caulk it and tape it. A heavy wall is harder to move than a lighter wall. Cement backer board is a mineral based pre fabricated wall unit usually 1 4 inch or 1 2 inch thick and 3 feet by 5 feet long. This video transition between cement board and drywall joint or how to tap drywall and cement board joint or tapping cement board and sheetrock shows the tra.
For sound to conduct through a wall it has to actually move the wall ever so slightly. Quietrock sound reducing drywall by pabco gypsum pushes the boundaries of building science to eliminate the need for extra material or complex soundproofing methods. Whereas drywall comes in 4 by 8 sheets cement board comes in 3 by 5 sheets. 5 8 drywall is about 2 2lb per sqft.
Drywall is one of the lowest cost sources of mass available. Common cost effective choices for heavy materials include drywall plywood osb and cement board. 1 2 cement board is 2 355 lbs per sqft. I will then turn up my subwoofer run down to my garage directly beneath it and if the mlv doesn t appear to be performing to my expectations i will start my plans to.
It also probably and this is just a guess probably has a lower resonance as well being cement so less sound should get through. A heavy wall is harder to move than a lighter wall.