Re: Off topic: spray foam insulation

Posted by Dave in Tx on March 16, 2007 at 05:49:37 from (71.115.99.161):

In Reply to: Off topic: spray foam insulation posted by Moline_guy on March 15, 2007 at 20:02:18:

I have used it a lot. In my opinion 2" is as good as 4". The one I use has been sprying it for 20 yrs, and says that anything over 4" is waste. He does a lot of freezer vaults so I think he knows. I have put 1 to 1.5 inches in shops and can't tell the difference between that and 4". We put it on metal buildings right on the metal and purlins. Costs .90 cents ft for first inch, .40 cents per inch for the rest. anything sprayed on studs that needs to come off, you need to get it off before it cures very long, cause that stuff is hard to get off once it cures. We haven't had trouble with mold, but humidity here is normally real low.

Dave

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