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Spray foam insulation for basement development?

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Posted by: from Edmonton
10/6/2016 at 2:13:57 PM

We have a home with a typical 8' high concrete foundation. We are now finishing the basement and are contemplating using spay foam to insulate the basement walls. Since spray foam is costlier than batt insulation one thought is to use the spay foam for the top half of the wall and the less expensive batt insulation for the lower half.

Any thoughts/opinions/experiences/positives/negatives?

REPLIES (3)
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Date/Time10/6/2016 at 3:51:11 PM

Please listen to my advice and sprayfoam your entire basement. Saves on poly installation and does not have to be removed if flood or other. Why are people cutting corners on the most important issues in their homes?

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Date/Time10/6/2016 at 9:38:42 PM

Spray foam. 2Lb closed cell is a great product when used in the right places of your home. In your case the rim joist is where to put the $ the foam. Where the 2 floors meet is where your greatest heat loss is the walls. Look at my previous answers on how to Insulate your basement properly.

Cheers,

BMUSCOTTY

Remember foam is only good if sprayed properly. I've seen foam jobs done wrong all the time.


Spray foam insulation for basement development?

Spray foam insulation for basement development?

Spray foam insulation for basement development?

Spray foam insulation for basement development?

Spray foam insulation for basement development?
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Date/Time10/7/2016 at 10:41:28 AM

Yes spray foam is a great product but do to the high cost, I use it only where it makes sense on a return bases. Spraying the rim joist area is perfect for spray foam. You get a better seal and insulation, and doesn't cost much more than doing it properly with batt insulation. For the walls I put 2" blue foam board insulation, then frame as normal in front of it with roxul insulation.

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