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vaulted ceiling insulation

Posted by rick on January 20th, 2003 02:47 PM
In reply to Ventillating a vaulted ceiling by Bruce M on October 7th, 1998 09:46 PM [Go to top of thread]

use of foamboard near the roof deck is another vapor barrier & should NOT be used as described by Bruce in cold climates.Vapor barrier needs to be on warm side to prevent condensation forming between the foam board & the batts.Use foam on the WARM side only as the support for the batts then leave space above the batts for air movement.

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