11-16-13, 07:47 PM | #11 |
Apprentice EcoRenovator
Join Date: Nov 2013
Location: Moore Oklahoma
Posts: 267
Thanks: 108
Thanked 23 Times in 21 Posts
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Mastic is not designed for flue pipes, just ductwork. 250F is about has high as it's rated for, not sure what happens when you exceed that. It is EXCELLENT as sticking to just about anything that's clean.
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