Jim Baird Posted September 11, 2018 Report Share Posted September 11, 2018 This "boot" is adhering to a flue pipe clearly labeled 2" clearance to combustible. Could find no label on boot. Does anyone here know this boot? Link to comment Share on other sites More sharing options...
Marc Posted September 11, 2018 Report Share Posted September 11, 2018 I've seen them but never on a flue. See the dirt? Water pools there. The boot should not bridge two crests. It's incorrect. Link to comment Share on other sites More sharing options...
Jim Baird Posted September 11, 2018 Author Report Share Posted September 11, 2018 That size boot has to span that much. My concern is the boot material being combustible. Link to comment Share on other sites More sharing options...
Bill Kibbel Posted September 12, 2018 Report Share Posted September 12, 2018 Brick-red boots and some gray are silicone based, not rubber or epdm, and usually listed for high temp applications (400+F). Link to comment Share on other sites More sharing options...
Jim Katen Posted September 12, 2018 Report Share Posted September 12, 2018 I've got one in my shop that's listed for 500 degrees F. Link to comment Share on other sites More sharing options...
Jim Baird Posted September 12, 2018 Author Report Share Posted September 12, 2018 Thanks for the replies, guys. I guess my only question now is whether "high temp rating" qualifies as "non-combustible". Link to comment Share on other sites More sharing options...
Jim Katen Posted September 13, 2018 Report Share Posted September 13, 2018 I'm perfectly fine with seeing a red silicone boot on a B-vent. Even at 500 degrees, it's not going to combust, just deform. Link to comment Share on other sites More sharing options...
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