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Basement insulation question

1190 Views 5 Replies 4 Participants Last post by  Windows on Wash
Hi there,

I currently have an unfinished basement that I am going to finish. I've been researching insulation methods and am particularly looking into whether or not to insulate the ceiling before putting up the drywall ceiling.

The main floor of my house is always colder than upstairs and I suspect much of this is due to the cold basement and heat transfer between the floors. I will only be finishing half of the basement and will only be insulating the walls in that section. However, in the unfinished section, there is a vented window outside of the boiler room (for the furnace) in a storage area and that area is cold. Should I insulate the ceiling in this unfinished storage area to help keep the room above it warm? Will this work?

Thanks for your help
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We recently finished our basement with poured concrete foundation. I ran 6 mill plastic on all the walls before framing, framed on 24" centers since non-bearing, spaced outlets on alternating circuits on six to eight foot centers (no extension cords needed), put recessed cans on about 4-5 ft centers on alternating switches, put 6 mill plastic on the floor seamed with 3M tape made for polyethylene, laid up underlayment and floating floor. For heat I found "heat" connections on our new 75 gallon water heater and ran a loop of fin-tube on two walls with a domestic water rated circulator and across the line thermostat. It's the coziest place in the house.

I had drywall delivered to my basement from a local supply house and hired a contractor. Sixty sheets of 10' & 12' x 4' drywall cost around a grand, and install with finishing was another two grand. A crew of 4 showed up as I left for work and was sweeping the scraps when I returned. Two days later all finishing was complete and I was painting that weekend. We have a 9'-6" ceiling and I'm glad I didn't sacrifice more than the 1/2" for drywall.
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