What is the STC rating of drywall?
Table of Contents
What is the STC rating of drywall?
Common partition STC
| STC | Partition type |
|---|---|
| 27 | Single pane glass window (typical value) (dual-pane glass window range is 26–32) “STC Ratings”. |
| 33 | Single layer of 1/2″ drywall on each side, wood studs, no insulation (typical interior wall) |
| 39 | Single layer of 1/2″ drywall on each side, wood studs, fiberglass insulation |
What is the STC rating of 5/8 gypsum board?
about 38–40
The STC rating figure represents approximately the decibel reduction in noise that the assembly can provide. For an interior wall that is made of 3 5/8″ metal studs with one layer of 5/8″ gypsum board on both sides, the STC rating is about 38–40.
What is an STC 50 wall?
A sound blocking level of STC 50 means that a listener in a quiet room would need to exert effort to hear raised speech levels in adjacent rooms, and the speech would not be understandable or disruptive.
Is drywall good for blocking sound?
While conventional drywall will help muffle sound, it won’t completely block out noise. Most drywall has a solid core made of gypsum, a mineral made of calcium sulfate that is commonly used in building projects.
How do you get STC 50 walls?
Add Soundproofing Membranes: If you need to achieve an STC of 50 or higher, consider using a soundproofing membrane. These products offer decoupling by separating the drywall from studs, and also significant mass increases.
What is the STC rating of Quietrock?
QuietRock 530 is a versatile, high performance sound damping gypsum panel that delivers superb noise reduction and impact resistance. This ‘superpanel’ is UL fire-resistance rated, STC-rated, shear-rated, and impact-resistant….Acoustic Ratings.
| Wood Frame | Steel Frame |
|---|---|
| STC Lab Tested Range: 52- 74 | STC Lab Tested Range: 55 |
Does thicker drywall help with sound?
More thickness means more mass and more mass means better soundproofing. The 5/8″ is also more durable sheetrock versus the 1/2″ option.
How can I get STC rating of 50?
What drywall is good for soundproofing?
There are various drywall types, but the Type X drywall is the most commonly used for soundproofing. It is a fire-resistant board, and a board of 5/8″ thickness can resist fire for an hour, which concurrently makes it the best drywall to reduce noise.
