Soundproofing Solutions

Sound transmission and hollow core doors.

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This weeks blog comes from Dave in Vancouver, BC Canada  

Dave writes...

Hi,

I am located in Vancouver and am looking for a way to stop sound from passing through a doorway into a stairwell from a family room / TV room. We were thinking of something we could hang across the door. The door is never used but we would need to be able to open it.

Thanks Dave

Dave,
In many cases, hollow core doors are used in homes. They do not offer much in the way of transmission loss. To increase mass, I suggest yo might use one of a decoupled barrier material to help stop the sound passing through the door.

Take a look at the BM-1C material - http://www.acoustiguard.com/BM-1C

BM-1C can be glued to one side of the door using a contact adhesive. The layer of acoustic foam separates the barrier from the door surface and increases the performance. In all door applications, you should start with some foam gasket seals on the sides and top jams. Also, install a sweep or rubber bulb strip to the bottom of the door. This will eliminate any gaps that sound could pass through.

If you have any question about this or any other Sound Control for Buildings application please do not hesitate to contact me, our toll free number is 1-888-625-8944.

Don Wilkinson
Partner - Wilrep Ltd.