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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: No seal at the foot of a block wall finished with drywall

Solutions:

  • Seal as shown in Figures 7a and 7b. This problem can be particularly serious if the mortar joints are not full.

Concrete-Block Wall Allowing Sound Transmission

Figure 7a - Concrete-Block Wall Allowing Sound Transmission

Note 1: Open passage beneath drywall allows noise to travel through block wall.

Concrete-Block Wall Sealed To Prevent Noise Transmission

Figure 7b - Concrete-Block Wall Sealed To Prevent Noise Transmission

Note 2: Sealant blocks off sound transmission path.

Continued.......