ABS toilet flange replacement without cutting drywall

In this video I remove a leaking ABS flange and install a new one. I also do this job without cutting the ceiling in the closet below. I cover, material, tools and step by step how to get the job done.
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[@angelfernandez7711]

You got down my dude.
Thank you!

[@russellseaton2014]

I would have done the build up by cutting plywood to fit the hole in the tile. GLUING them in place to the subfloor, and screws too. Then cut a new hole for the flange with a hole saw. I know your spacer pieces underneath the flange will never be seen, but I just would not feel right hiding subpar work. I want my toilet flange to be mounted rock solid. Your subfloor under your spacers looked like it was particleboard. Not very strong or water resistant.

[@HomeownerDIY]

Thanks for your comment, are you calling my work subpar?!?!?! HAHAHA! I didn't have a holesaw for this size. For it being a DIY channel, l try to keep it as DIY friendly as possible. Adding glue wouldnt hurt, if you check out my other videos, you will hear me say " I prefer to over build".
With 2 screws per piece of plywood and the flange screwed down, the flange isnt going any where. Something like 14 screws are holding the flange in place. The shims were plywood, 100% agree that OSB(particleboard) is not the material to use. For being water resistant, if water is leaking, you already have a problem. I have been in 1000's of townhouses that the sub floor was OSB.
Please feel free to check out my plumbing playlist, I am always interested in hearing another experienced installers perspective.

[@russellseaton2014]

@@HomeownerDIY With a toilet flange, I want it supported 100% around. Which means putting a solid piece of plywood into the hole in the subfloor. And then cutting out a hole for the drain pipe/flange. With a hole saw. I have a 4 1/8" hole saw for round light boxes in the ceiling. So that works perfect for toilet flanges and 3" drain pipe. As for water resistance, yes if its leaking, you have problems. But I recently fixed the subfloor around two toilets that are 45 years old. 1/2" thick plywood subfloor. Water was leaking maybe for most of those 45 years. But with water resistant plywood, it took 45 years to need replacing. Less hardy work might have only lasted 25 years with the leaking.

[@HomeownerDIY]

@@russellseaton2014 I did support the flange 100% around. Just used 4 pieces to do it. Keep in mind before the old flange was removed I didnt know what I needed. All the pieces were screwed down tight. If l have any doubts then I will do more till l am satisfied that its solid.
I will tell you, when l was running sites, I had one inspector pass me from the sidewalk on 75% of my finishes after he knew me. The superintendant was in disbelief.

[@JacobButthole-nx1pd]

2 comments:
1: great video
2: use abs approved glue. I have never seen that type of glue used for abs. And glue is usually black.

[@HomeownerDIY]

Thanks for your comment, l am in Canada. Our glue ABS glue is now yellow. Back in the 80's(maybe 90's) it was black. I know this because of homes l have been in have black glue, in Canada.
I started in plumbing in 2007 and it has always been yellow glue in Canada.