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Old 06-11-2012, 07:21 PM   #1
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Basement Insulation Thoughts...(Fiberglass and XPS?)


So, this weekend I spend about 20 hrs installing 2" XPS on the walls of my 800 Sq. Ft. Basement. I did the rim joists, I did the 2" and I used Great Stuff to seal it all together.

The plan is to use 1 inch XPS on the floor under plywood and then laminate flooring on top of that.

The plan is also to build 2x4 walls with sheetrock and electric.

I wasn't planning on installing fiberglass in the walls, but I wanted to run it by you good folk here on what you thought would be the best course...I mean, I definitely have the room for it, and if I don't use it, the 2x4 wall cavity will remain empty.

Any thoughts on that one?

Thanks!

damon

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Old 06-11-2012, 08:31 PM   #2
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Basement Insulation Thoughts...(Fiberglass and XPS?)


If you do, make sure it is un-faced. I'll be doing the same thing but using Roxul insulation...

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Old 06-12-2012, 05:20 PM   #3
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Basement Insulation Thoughts...(Fiberglass and XPS?)


So I just researched Roxul a bit and it looks pretty solid.

I wanted to ask the good folk here though:

My basement i s 90% underground on 3 walls and 1 wall is 90% above ground (daylight basement, I think they call it).

I put the 2 inch poly on the walls and plan to 2x4 over it and wasn't planning on putting additional insulation. But...part of me wonders why I wouldn't. What is the general consensus? Should i do all the walls? Just the top of the buried walls? Just the open wall?

Thanks!

damon
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Old 06-13-2012, 12:12 PM   #4
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Basement Insulation Thoughts...(Fiberglass and XPS?)


Hm, really good question. Basement insulation can always be tricky, but I don't think it can ever really hurt if you have the space (and money) for it. If you're looking for a full seal/insulator, take a look at --------. It's easy to use and easy to clean, otherwise I'd be curious to hear what others have experienced with basement insulation.

Last edited by Gary in WA; 06-14-2012 at 10:51 PM. Reason: Removed web ad link that belongs under your signature line.
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