Impossible furnace room ceiling?


Old 10-23-14, 10:36 PM
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Impossible furnace room ceiling?

Hey there,

my basement is finished except for the furnace room - the ducts and piping create what looks like an impossible drywall job (see the pictures). My reason for covering it is to reduce sound transmission to upstairs, as well as the adjacent rooms in the basement. It's not just the furnace noise that travels upstairs, but any noise from the surround areas in the basement comes through upstairs in the area above the exposed ceiling.

The only thing I think of is to use fire retardant roxul batting between the joists and then wrap some layer under the batting to prevent fibres from spreading into the air. Manipulating the wrap under/around the ducting would be difficult but not impossible like drywalling looks to be.

Is this doable, are there any better solutions. Looking for some answers.

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Old 10-24-14, 03:14 AM
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Welcome to the forums! I think you have hit upon the best solution with the Roxul. Not much sheetrocking will go on in that area
Old 10-24-14, 09:31 AM
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I had to hang drywall in a situation like that. It was basically a jigsaw puzzle. Either 5/8 sheet rock or sheet metal is the code here. The sheet metal won't do much for the sound but you could use it. Coincidentally, I have a similar job next week.
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