Cement Board Vs Drywall Soundproofing

Quietrock sound reducing drywall by pabco gypsum pushes the boundaries of building science to eliminate the need for extra material or complex soundproofing methods.

Cement board vs drywall soundproofing.

Drywall is one of the lowest cost sources of mass available. 5 8 drywall is about 2 2lb per sqft. Whereas drywall comes in 4 by 8 sheets cement board comes in 3 by 5 sheets. It also probably and this is just a guess probably has a lower resonance as well being cement so less sound should get through.

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. Drywall panels fit between wall studs spaced 16 inches or 24 inches apart. 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 a teeny bit.

Cement board has a higher density than 5 8 drywall. Use thicker heavier drywall like 5 8. The cement board is heavier and stiffer than plywood and will offer better performance. A heavy wall is harder to move than a lighter wall.

1 2 cement board is 2 355 lbs per sqft. Common cost effective choices for heavy materials include drywall plywood osb and cement board. For sound to conduct through a wall it has to actually move the wall ever so slightly. Drywall is one of the lowest cost sources of mass available.

What i am going to do first is lay down 2 lb mlv acoustically caulk it and tape it. 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. The current entry level product most suitable for diy installation is product 510 carried by lowes home improvement centers. Quiet brand products improve architectural freedom and promote sustainable construction.

The current owner of quietrock the pabco corporation says that quietrock was the first such sound dampening panel on the market introduced in 2002. The smaller dimensions of cement board make the installation of it on large walls more difficult but cement board panels fit vertically in 3 foot wide showers or horizontally behind a standard.