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[trz]

I use a Hawken owb and i built a roof over it so i extended the chimney with some double walll from Menards.   2 3ft. sections. (they screw together)  so now i have about 5 and a half ft. above the peak of the roof.  Problem is the top 3ft. section seems to want to tip (don't want it to fall off). I don't want to have to use cables if i can help it.   How can i secure the two sections of dbl wall together?  Or maybe i should use cables if it's the wind that keeps blowing the top section over.

   what's your thoughts?

[MattyNH]

I know the exact thing you need.. Tall stack owner here..The thing I bought is a band from a central boiler dealership.. Its a band that you put around the joint of the pipe then is tightened by bolts.. ( cant think what they call it)...I have 2 of them plus I have wire..Course im 19 ft up..But in your situation it would work slick with no wire needed

[fireboss]

Thats what I did Iam  up 16' I used the bands from CB

[baldwin racing]

I use a Hawken owb and i built a roof over it so i extended the chimney with some double walll from Menards.   2 3ft. sections. (they screw together)  so now i have about 5 and a half ft. above the peak of the roof.  Problem is the top 3ft. section seems to want to tip (don't want it to fall off). I don't want to have to use cables if i can help it.   How can i secure the two sections of dbl wall together?  Or maybe i should use cables if it's the wind that keeps blowing the top section over.

   what's your thoughts?

check with your pipe company they should make a roof support kit, (most people here use selkirk double wall insulated) the kits includes a band that goes around pipe  2 extendable rods  that clamp at the length you want and comes with the brackets you screw in your roof...lag bolts and all screws needed.local selkirk bracket kit sell $55 here in ny... I just bought one....lol
kelly