Latest Discussions : Plumbing

Dave Anderson

02:53AM | 02/10/04
Member Since: 10/23/02
41 lifetime posts

What's proper for a toilet flange install: Screw it down to the BackerBoard and tile around it, or tile up to the hole, and then screw the flange down on top of the tile?

Also, is the flange typically glued in to the stack, or just siliconed? This paticular flange inserts inside of the stack.


Dave Anderson

plumber Tom

02:39PM | 02/10/04
Member Since: 05/10/03
801 lifetime posts
Easier to screw it right to the backer board. Use galvanzized drywall screws that are long enough, but watch out for copper pipes. (screwing onto them) Your flange (if it's PVC requires the same primer and glue joint process as any other PVC joint. You may have what's called a slip flange. which means the "slip" is the same OD as the pipe size your using.


07:50AM | 04/29/07
Member Since: 04/28/07
1 lifetime posts
Hi, I must be going through the same process as you. Updating a bathroom.

I too, am in the process of laying backerboard and am unclear about the toilet flange. I got two differnt answers at Lowe's (flush with the tile, on top of the tile), two answers from Home Depot (both said flush with the tile).

Mr. Vila, what's the correct configuration?

Best Regards

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