big maxx 80000 btu

[harvick4]

hello all was just wondering I am venting vertical and was wondering if ok to run bvent for full run out ceiling aafter I come off elbow thanx for help

 

[mygarageone]

hello all was just wondering I am venting vertical and was wondering if ok to run bvent for full run out ceiling aafter I come off elbow thanx for help

Yes if that's was called for on that unit .

 

[harvick4]

so what is normally used going thru roof instead of the thimble it has ony the plywood and shingles would I use a fire stop ? thanx for all the help