Silicone boot flashing and chimney pipe temperature

[rdmarshall]

I am putting a barrel stove in my workshop (NE Georgia -- often chilly in the winter). It has a 6" flue. I plan to use 6" single-wall pipe, straight up (about 9') to penetrate through metal roof panel, then another several feet to a chimney cap above roof top.

I am thinking about flashing the roof penetration with a red silicone boot flashing, such as (broken link removed to http://www.pipebootexpress.com/store/p/3379-Square-Base-Flashing-Red-Silicone.html).

The (broken link removed to http://www.pipebootexpress.com/Tech%20Data%20Sheets/Square_Base_Flashing_Page_1.pdf) says that it tolerates temperatures as high as 500 degrees intermittent, and 437 degrees continuous.

Do you think that the exterior of a 6" chimney pipe about 10 feet from a barrel-stove flue outlet would be likely to exceed these limits? I will be burning scrap wood, such as cut-offs from making wood bowls, furniture, cabinets, etc., and other firewood.

Thanks.

 

[kennyp2339]

Yes - do not use single wall pipe in place of a class a chimney, single wall is fine to use between the stove and ceiling support box, after the support box or cathedral ceiling box you need class a chimney. That's code.

 

[begreen]

The surface of class A high-temp chimney pipe shouldn't exceed those temps under normal burning conditions. Put a flue thermometer on the connecting stove pipe and stay under 500F, single-wall surface temp.

 

[Woody Stover]

The install gurus here generally recommend metal flashing for the roof penetration.