Hello all, <!—-><!—->
I’ve gotten a lot of conflicting input on this problem. I’m hoping the wise folks here can help me settle this. I would like to put insulation in the wet wall of my bathroom. Currently, it is down to the studs, though we will put up the walls later today. My concern is condensation from the water pipes for the sink and toilet might create a mold problem with the insulation. The other side of this wall is the kitchen, so I’d like the extra soundproofing. Heat conservation is not so important there. what do you think?
Thanks,
Rossy <!—->
Replies
Slip foam pipe insulation around the cold water pipes, and tape or glue shut. That should control any slight tendency for the pipes to sweat. A vapor barrier on the bathroom side will help a little more.
The drain pipes are what make noise (especially if plastic vs cast iron) so any sound insulation needs to be concentrated around them. What you can do depends a lot on the thickness of the wall and hence how much clearance you have, but one option is to wrap strips of fiberglass around them tightly.
An off-the-wall idea is to first put chickenwire around the drain pipes, then daub on plaster or drywall mud to encase them.
There are no doubt commercial products available to silence the pipes, but don't know where you'd find them.
Additional soundproofing can be achieved by doubling the drywall on the kitchen side.
Filling the entire wall with blown-in cellulose is another possibility.
Another idea, not quite so off-the-wall, would be to wrap the pipes with several layers of self-stick rubber roofing/flashing membrane. You could even alternate that with layers of thin sheet lead.
Rossy,
>>My concern is condensation from the water pipes
Insulate the cold AND hot with tubular pipe insulation first.
>>extra soundproofing.
Use cast iron drains.
Use two layers of drywall or CMU the entire bathroom side.
SamT