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Noise Control - Walls, Floors and Ceilings

Index For Sound Proofing & Noise Control

Problem: Concrete block wall not providing sufficient noise reduction.

Cause: Drywall too close to concrete blocks.

Solutions:

Alternatively, remove the drywall and re-install it with wood strapping as shown in Figure 8.

Drywall On A Concrete-Block Wall

Figure 8 - Drywall On A Concrete-Block Wall

Do not paint, plaster or parge the blocks under the drywall. The untreated porous blocks will help increase the effective air space of the cavity.

Minimum Air Spaces Between Sheets Of Drywall And Concrete Blocks

Drywall Thickness

Single Sheet

Double Sheet

1/2" (12.7 mm)

2 3/8" (60 mm)

1 3/16" (30 mm)

5/8" (165.9 mm)

1 7/8" (47 mm

1" (25 mm)

Choose from the methods of resilient attachment as illustrated in Figures 9a and 9b.

Resilient Attachment Of Drywall To A Concrete Block Wall Using Metal Resilient Furring Strips

Figure 9a - Resilient Attachment Of Drywall To A Concrete Block Wall Using Metal Resilient Furring Strips

Resilient Attachment Of Drywall To A Concrete Block Wall Using Metal Studs

Figure 9b - Resilient Attachment Of Drywall To A Concrete Block Wall Using Metal Studs

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