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Old 05-12-2010, 01:25 PM   #1
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How to insulate these oddly shaped foundation walls


I am going to be finishing part of my basement this summer but I have run into a bit of a road block. I am unsure how to insulate my basement walls due to their odd shape. They are pre-cast concrete and have evenly spaced protrusions. The only thing I can think of in my price range is to either skip the insulation or spend a LOT of time cutting and taping the rigid foam insulation.



Anyone have any ideas or suggestions?

Thanks for your time!
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Old 05-12-2010, 03:24 PM   #2
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How to insulate these oddly shaped foundation walls


What is that white square ?

Spray foam would be an option
Or build a new stud wall 16" OC & insulate
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Old 05-12-2010, 03:35 PM   #3
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How to insulate these oddly shaped foundation walls


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What is that white square ?

Spray foam woudl be an option
Or build a new stud wall 16" OC & insulate
Heh - the 'Inspected by' note.

So just building the wall out and using regular fiberglass insulation in the studs is fine?
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Old 05-12-2010, 03:41 PM   #4
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How to insulate these oddly shaped foundation walls


Where are you located ?
New house ...?
Doe sit have a drainage system, french drain, sump pump ?
Are you sure the basement is dry & will stay dry ?

Insulation & wall will depend upon location & conditions
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Old 05-12-2010, 03:48 PM   #5
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How to insulate these oddly shaped foundation walls


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Originally Posted by Scuba_Dave View Post
Where are you located ?
New house ...?
Doe sit have a drainage system, french drain, sump pump ?
Are you sure the basement is dry & will stay dry ?

Insulation & wall will depend upon location & conditions
Located in Michigan. House was built in 2005. Sump pump drainage. I did the test where I taped down a sheet of plastic for 48 hours (actually I forgot the first time and it lasted 96 hours. I then redid the 48 hour test) to see if there was any moisture. No sign of any water on the plastic and I haven't seen any signs of leaking in the basement otherwise

Thanks for the help!
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Old 05-12-2010, 03:56 PM   #6
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How to insulate these oddly shaped foundation walls


i saw a house with those panels here and they tapconed 2x material to the flat surface used batt insulation and vapor barrier with tape
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Old 05-12-2010, 04:00 PM   #7
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How to insulate these oddly shaped foundation walls


It looks like they are designed to hold standard fiberglass insulation.
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Old 05-12-2010, 04:38 PM   #8
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How to insulate these oddly shaped foundation walls


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It looks like they are designed to hold standard fiberglass insulation.
Could I just attach the studs to the concrete protrusions? They are 24" O.C. 8' high so I could attach the drywall sideways and insulate into the cavities
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Old 05-12-2010, 07:06 PM   #9
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How to insulate these oddly shaped foundation walls


I’m still looking for the odd shapes.

Nice tool kit on the table though.
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Old 05-12-2010, 07:09 PM   #10
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How to insulate these oddly shaped foundation walls


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Iím still looking for the odd shapes.
I was referring to the part of the foundation wall that juts in and out. Maybe its not weird - I just have never seen it before
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Old 05-12-2010, 08:14 PM   #11
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How to insulate these oddly shaped foundation walls


http://www.swinter.com/services/docu...Insulation.pdf

http://www.rd.com/57548/article57548.html

Be safe, Gary
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Old 05-12-2010, 11:12 PM   #12
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How to insulate these oddly shaped foundation walls


The foundatio looks very similar to a Supeior Wall system, but they seem to lack the treated furring strips imprgnated at the "studs". These walls are marketedd to being very easy to finish off or livable space.

The fact that you're in MI tells me that you probably don't want to/can't per code install a vapor barrier on the walls.
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