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Noise Control - Walls, Floors and Ceilings

Index For Sound Proofing & Noise Control

Problem: Mounting drywall on resilient metal furring does not sufficiently reduce sound and noise transmission.

Cause: Resilient metal furring between two layers of drywall, forming a small air space with a solid connection of the inner layer to the studs.

Solutions:

  • Do not mount two layers of drywall or any other solid sheet material, so that there is a thin air space between them; it fails to act as a fully resilient separator. Place the resilient metal furring directly on the studs or joists to avoid rattling, and then apply the drywall as shown in Figure 3a and 3b. Twenty-four gauge or thinner steel studs are resilient enough tin themselves, so that no special measures are needed to isolate the layers of the wall form each other.

Incorrect Method Of Applying Metal Furring With Two Layers Of Drywall

Figure 3a - Incorrect Method Of Applying Metal Furring With Two Layers Of Drywall

Correct Methods Of Applying Metal Furring With Two Layers Of Drywall

Figure 3b - Correct Methods Of Applying Metal Furring With Two Layers Of Drywall

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