Covering fireplace in basement... need vapor barrier?

2629 Views 1 Reply 2 Participants Last post by Grampa Bud, Apr 8, 2009

tigereye

Discussion Starter · Apr 8, 2009

The basement of my bi-level was built finished. It's half below grade and half above grade. One entire wall is a white brick fireplace. I'm wanting to build a false wall to bother cover the wall and install a screen for a projector.

Do I need to install vapor barrier between the existing brick wall and the new false wall? I've not had any moisture problems with the existing drywall or carpet, but wasn't sure if brick was different.

Thanks,

Mike

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Grampa Bud

· #2 · Apr 8, 2009

Where's the ashpit clean out door? Inside? Outside? You need to stuff insulation up the chimney just above the damper, make sure the damper is fully closed, securely, and make some form of metal cap for the top of the chimney that can be securely fastened also. If the ash pit door is out side run a bead of silcone around the door gap to the frame and you should be golden. A general rule of thumb for enclosing any type of masonary wall is to definitely put up a visquene vapor barrier whether it is buried or not. Good Luck !

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