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Old 11-11-13, 12:39 PM   #19
skyking
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Join Date: May 2011
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I'd put an edge on the cavity that the pex will occupy. Make the turns inside that edge. Put some insulation blocking between the loops to support the roof.
Fasten the metal roof to blocks of solid wood or ply as needed.
So, you are thinking insulating board or something similar over the roof sheeting?
Like this?
3/4" Foil Faced Insulation Panel at Menards
That does pose a fastener question regarding the metal roof. I'd have to get a long enough fastener to reach through to the OSB to tie the metal down well.
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