Strap boss leak between boss and pipe

[Wezzo]

Hey all,

I’ve got a new section of stack fitted but when I fitted the strap boss I was too keen to test it and it now slightly leaks where it meets the stack.
I was wondering whether it’s worth trying to get it off and have another go or just replace the full piece (about 2 metres )
If I did replace would I just need to slide the top tee out, fit new piece from bottom up to the tee and then pivot the tee in and fit the top piece of piece going to the vent?
I thought about a slip coupling too.
Thankyou
Ps I used solvent weld

 

[Hugh Jaleak]

Give it a pull, see how tight it is. If it comes off, use the opportunity to roughen the mating faces with sandpaper, before liberally applying adhesive again, and apply pressure to the fitting for about a minute after attaching, to allow the joint to fuse.

If it is pretty well stuck, then Gap Filling cement can be used to try and seal it up. If that doesn't work or you don't want to try, then only option may be to cut that section of the stack out and graft in a new piece. Use a Boss pipe, and a slip coupler, at least then you wont have the hassle of trying to get another strap boss to seal.

 

[Wezzo]

Thankyou!
I’ve since put a smear of fernox on the edge that meets the strap as well as the strap and that has solved it. Thank you.
Not sure how long it will last but if it fails I’ll take off and replace.

If I did as you were saying, would this be how to do it :
Use a 1 metre length of single socket pipe, cut down and fit single socket boss to suit height of waste
Mark the bottom across to the old piece then remove old

Slide slip coupler on bottom pipe. And fit new section
Then line up the pipes and slide slip coupler up to push fit into new boss

Alternatively I could use a short boss and solvent weld for a smaller footprint and it’s a cheaper fitting!