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Old 01-18-2009, 04:04 PM
71 posts, read 208,884 times
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Our basement is unheated and our bungalow is pretty cold, especially the floors. We had two insulation companies out recently and they recommended blowing insulation through the plaster and lathe ceiling in the basement. They would blow it around the edges of the perimeter about a foot from the walls every 16 inches.

Has anyone ever had this done? Does it help with the cold floors above the basement?

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Old 01-18-2009, 04:28 PM
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Your best bet might be to insulate between the floor joists, if your basement is unheated.

Cold floors = cold houses.

Beyond that, I'm really not sure what you're describing.
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Old 01-18-2009, 09:47 PM
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Default Yeah, it is a good idea....

But you don't want to do just a lil band around the edges.

If you are over an unheated area, do the entire floor area between the joists. Is common thing to do when a living room or whatever is over an unheated garage. I've done a number of them and it does help a lot if you have a big differential between floor levels.

Watch out for them insulation companies. They will hose you many times, never do exactly what is promised. Actually it is something you can do yourself. All the big box stores have the blower and they will lend it to you, if you buy the insulation bales from them.

You drill a hole with a hole saw about every eight foot or so in the joist run and blow it in, replaster over the hole.
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Old 01-19-2009, 06:10 AM
Location: Amelia View
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Logic tells me that cold air doesn't just enter an unheated basement from the perimeter; therefore, as others have advised, it's worth the effort to insulate the entire basement ceiling between the floor joists.
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