Thread: underlayment
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Old 03-04-2010, 01:23 PM
Chris Chris is offline
Junior Member
Join Date: Oct 2009
Posts: 19
Default Avaire underlayment

The smooth side goes up, but I don't think it would cause a failure if it's upside down. Tape the seams with duct tape and leave around a 1/4" gap around all obstructions. Good luck!
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