New answers tagged garage
The vapor barrier goes on the heated side of the insulation, or in your case, the side facing the bathroom. If the garage itself is conditioned space, there may only be a vapor barrier on the exterior walls and the insulation behind the bathroom would be for sound. Note that the craft paper backing on insulation is considered a vapor barrier.
I just did closed-cell spray foam in my attached garage. There is a bedroom above (to the left of the I-beam in the photo), while the front sloping part is a hot roof (see Do I need to add roof vents if I close off a small attic space in the garage? for detail/pics). In your case, you should decide if you want the attic space to be 'conditioned' ...
I never use latex paint because it freezes and is no good after that, so I use an oil based paint inside and out. It only takes a few minutes longer to dry when u use a fan.
Drywall is typically used when a finished garage is called out on the plans. Even though drywall prices have risen quite a bit in recent times it is probably still the most cost effective material to close up open studs and ceiling joists in a garage.
It depends what you mean by "cables". As long as it is a data cord (not power) and the opening is fire sealed, it is fine. What I do is use a cutoff saw (hack saw is fine) to cut a length of PVC pipe. Use a hole saw to cut through the drywall. Then, caulk the PVC pipe to the dry wall. It makes a perfectly clean tunnel through the wall. You can feed data ...
If you're within the city limits (or the donut) there are some NEC rules that will apply and you should probably consult a certified electrician as the NEC is vast and fairly dense. If you're just "in the area" of Bozeman but not within its jurisdiction, you're subject to rural code... which is no code at all. In this case use good common sense, spray foam ...
Particularly if you have an oversized boiler already, extending the hot water makes more sense. It's not terribly difficult to insulate it properly - especially for a mere 10 or 15 feet. Use 1" PEX and build an XPS (waterproof styrofoam insulation sheets) box, keeping the lines (supply and return) separated with insulation, polyurethane foam it to fill and ...
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