Stc Rating Drywall 2 Sheets

Of course the 5 8 sheets of drywall will be much heavier than the 1 2 but now you can buy a lighter 5 8 sheetrock called usg ultralight firecode tapered edge gypsum board.

Stc rating drywall 2 sheets.

If you have an stc 33 wall and decide to add another sheet of drywall with an stc of 20 you do not get a finished wall with an stc of 53. The sheets are available in thicknesses of 1 2 5 8 and 1 3 8 with dimensions of 4 x8 9 or 10 feet. They are logarithmic values and cannot simply be added. Doubling the mass of a wall assembly does not double the stc rating.

2 4 stud 5 8 drywall 2 layers total plus batt insulation stc of 34 39 5 8 metal studs 5 8 drywall 2 layers total plus batt insulation stc of 43 44 with two sheets total of 5 8 drywall utilizing standard insulation we often see stc ratings ranging between 30 34. Page 1 of 2 5726 sonoma drive pleasanton ca 94566 phone. You cannot add stc ratings. Combined the sheet will reduce the transmission of sound in or out of a room by between 15 and 20 stc points when compared to standard drywall sheets.

Superior sound damping cost efficient material that is easily finished and decorated in the same manner as standard gypsum board. You can find this type of drywall at your local home depot or by clicking this link.