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lukeg 10-20-2009 03:30 PM

running black gas pipe
 
I have a few questions about joining pipe - and running pipe thru studs. I've read that you should join black pipe using BOTH tape and paste. I've run about twenty feet using only paste and am wondering if i've made a mistake? Secondly, I'm running about twenty five feet of pipe from one end of a room to the other. The room is framed with 2x6 studs on 16 inch ctrs. How far into the stud should I cut in order to run it? Since the wall is load bearing, I imagine I can cut too far in and weaken the wall. The pipe is 3/4" and i'd like to cut only far enough into the studs to cover with a plate and be done with it. Is this standard procedure? Plates are cheap and as long as I can get the shtrock on the wall (pipe back in the stud far enough back not to get in the way), it seems logical.

Lastly, I suppose I could simply run my pipe up thru my top plates, and thru my scissor trusses and back down, but i'd have to cut my 72" pipe (purchased at a local Lowes) into pieces with couplings to get them to fit into the roof trusses (trusses are on 24" ctrs). Any suggestions would be appreciated.

Plumber101 10-20-2009 06:34 PM

Are any fittings going to hidden in the wall?

If so that is not legal and to code.

If possible I would install in the attic or basement/crawl space. Make sure you pressure test.

Good luck

majakdragon 10-20-2009 10:32 PM

I use Rector-seal #5 for gas piping, and no additional dope or tape. Plumber is correct about joints inside a wall.

Plumber101 10-20-2009 10:46 PM

Quote:

Originally Posted by majakdragon (Post 343455)
I use Rector-seal #5 for gas piping, and no additional dope or tape. Plumber is correct about joints inside a wall.

That's exactly as I do as well

Anti-wingnut 10-20-2009 11:00 PM

Quote:

Originally Posted by Plumber101 (Post 343326)
Are any fittings going to hidden in the wall?

If so that is not legal and to code.

Ell's and couplings can't be buried? I thought that only unions couldn't be buried



Quote:

Originally Posted by Plumber101 (Post 343326)

If possible I would install in the attic or basement/crawl space. Make sure you pressure test.

Ditto

Termite 10-22-2009 12:20 AM

Valves and unions can't be buried per the IPC. Elbows and couplings are ok.

130 plumber 10-25-2009 12:16 AM

Rector-seal will be fine,their is no need for teflon tape when doing gas pipe:thumbup:And as far as fitting being in the wall,the only thing that should not be inclose in the wall is a shut-off valve or any unions:thumbsup:


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