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K.M.G 09-01-2009 11:23 AM

Plumber's Question..about Toilet drain

Looks like I'm ripping the sub floor from the Bathroom up

The Toilet Drain is on top of 1/4 Plywood

Do I remove the Drain and then place it back on top of the 3/4 floor+Ditra+tile

Or Do I remove all the old 1/4 and install my 3/4 and use a few Wax wings to set the Toilet back now.

So I don't have to remove the Drain

I was looking and they want $20 for a new Toilet Drain:icon_rolleyes: comes in 3" or 4"

What does a average toilet use

Mike Swearingen 09-01-2009 02:50 PM

The toilet flange should sit flush on top of the finished floor level with only the thickness of the flange above the finished floor level. It should be bolted securely to the floor.
Then the toilet will seal properly with one wax ring as intended. Do not stack wax rings (or more than two anyway), because you run the risk of squeezing the wax into the pipe and clogging it when you anchor the toilet back down.
You need to look at the size of YOUR drain (aka closet bend drain pipe) to determine what size flange that you need...usually 3" but could be 4".
Good luck!

JerryWatson 09-03-2009 07:51 PM

Toilet remodel
Mike is right. In addition, it is important to rebuild the floor under the toilet because a leaking closet flange probably rotted the original floor. The 1/4" flooring is entirely too thin to be supportive. Ideally, you should peel the existing flooring back to the floor joists, raise the closet flange to the finish floor height by cutting into the vertical sewer drain below the floor and extending it the proper amount, replace the subfloor with 3/4" plywood, install the new finish flooring, and reset the toilet. Don't use more than one wax ring. If you find that you have to, something isn't right. Good luck!

K.M.G 09-23-2009 11:48 AM

Just like this Right:thumbsup:
See all along I have this in my Head

My Next Question what type and kind of Bolts/Screws do I use so they won't Rust and what size

JerryWatson 09-23-2009 02:06 PM

Toilet installation
Right. The closet flange can either sit on top of the tile or on top of the sub floor. I would usually plumb it in to sit on top of the sub floor which would make the finish tile surface flush with the top of the closet flange. Use #10 or #12 x 1 1/4" plated Philips or square drive flat or pan head screws, either sheet metal or wood screws, and at least four. Preferably put fasteners in each hole of the closet flange. Make sure the fasteners on either side of the closet bolt holes are particularly solid. Do not use bent over nails, sheet rock screws, or no anchors at all.
Best of luck!

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