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Old 07-28-2021, 07:26 PM   #38
John Mercier
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You don't use Grace under rolled roofing.
It would void any warranty.

Low slope is either going to require GAF Liberty *the brand she wants* or EPDM rubber roofing.

GAF Liberty is listed as going from 1/2:12 to 6:12, and should be applied as recommended.
https://www.gaf.com/en-us/document-l...structions.pdf
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