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Install Mass Loaded Vinyl (MLV) Layer — Add Mass-Loaded Vinyl (MLV)

Beginner5 mins

Part of project

How to Reduce Noise from Stairs and Upstairs Floors · Step 4 of 7

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Before adding the final layer of drywall, install the mass loaded vinyl (MLV). The video indicates that MLV is a heavy material, typically weighing one or two pounds per square foot, and is supplied in rolls. This heavy, dense, yet flexible material is crucial for blocking airborne sound waves. While the video does not explicitly show the installation process, it is implied that the MLV is attached directly to the existing ceiling structure (e.g., joists or an existing drywall layer) using appropriate fasteners (e.g., screws, staples).

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