Quote:
Originally Posted by John Mercier
The synthetic isn't ''cheap''; it just breathes better than 15# felt.
In theory, it would keep the porch roof drier, and extend the roof decking.
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Sorry, I meant to say "cheapER" than Grace Ice and Water Shield. I went with GAF Felt Buster, the one no one here liked. Just couldn't afford Grace and decided to cut corners on the porch roof. I put the Felt Buster on the whole roof (plus GAF StormGuard Leak Barrier on the edges).