[TheForge] flues

[Ron Childers]

A steel culvert seems to work well.... Ron C

-----Original Message-----
From: theforge-bounces at mailman.qth.net
[mailto:theforge-bounces at mailman.qth.net] On Behalf Of GRAF
Sent: Thursday, January 17, 2008 11:53 AM
To: Sponsored by ABANA
Subject: Re: [TheForge] flues

For 12 inch the MINIMUM I'd use is 24 gauge. Heavier if you can manage 
it. Above 8 inch the size of the pipe makes it unstable dimensionally in 
the lighter gauges. When you are up in the wind having things collapse 
above a brace because it didn't stay round would not be a good thing.
Mike Graf