Spray foam and removal of batts
Last Post 10 Sep 2012 01:31 PM by Dana1. 2 Replies.
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newmanabUser is Offline
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09 Sep 2012 09:18 PM
Long time reader, first time poster. Finally getting basement spray foamed with closed cell this week! Question i have is above sill plate is kraft faced R-13. Should this be removed before foaming or just foam over top of it in rim joist area?? If i leave it , Will there be any moister issues with the faced insulation meeting CC sprayfoam? Thanks
Bob IUser is Offline
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10 Sep 2012 07:25 AM
absolutely remove it! the spray foam should be in direct contact with wood & concrete.
Bob Irving<br>RH Irving Homebuilders<br>Certified Passive House Consultant
Dana1User is Offline
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10 Sep 2012 01:31 PM
What Bob said- the superior air-seal alone you get with cc foam against wood is worth it, even though the foam would still stick OK to the kraft paper.
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