Shimming A Toilet - Best Way - Love Plumbing & Remodel

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Thread starter remodelingit
Start date Sep 16, 2005

remodelingit

New Member

Messages 35 Reaction score 0 Points 0 Location Texas Just installed a Toto Ultramax- best toilet ever. It rocks a bit since the tile isn't exactly level- probably 1/16" to 1/32" off. What is the best way to shim a toilet to keep it from rocking? What is the best material to do so? Thanks JPB

Last edited by a moderator: Nov 16, 2019

hj

Master Plumber

Messages 33,613 Reaction score 1,057 Points 113 Location Cave Creek, Arizona Website www.terrylove.com shim In this area the inspectors require that the toilets be sealed to the floor, so whatever is used caulk, tile grout, etc., fills the void and secures the toilet. Sponsor

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Master Plumber Mark

Sensitivity trainer and plumber of mens souls

Messages 5,896 Reaction score 517 Points 113 Location indianapolis indiana - land of the free, home of Website www.weilhammerplumbing.com use grout its best to shim the toilet into place with something that wont rust or corrode over time....they do make shims out of plastic I have found toilets where people have used a few pennies as shims and they seem to work pretty well to make the toilet solid to the floor... as long as they are not visible...they work great too. then they tighetnd down the whole thing and used some DAP to put the final seal on the whole thing glueing it down to the floor.

Lakee911

I&C Engineer (mostly WWTP)

Messages 1,254 Reaction score 1 Points 38 Location Columbus, OH They make soft plastic toilet shims just for this purpose. Get 'em at your favorite big orange or blue box. Jason Terry

Terry

The Plumbing Wizard

Staff member Messages 29,942 Reaction score 3,483 Points 113 Location Bothell, Washington Website terrylove.com I used to use plastic compostite "door shims".

Most of the made for plumbing plastic shims are not slim enough and don't cut off. If you put the toilet down without wax first, you get a better idea of where the shims will go. Some wax has a horn that can prevent the toilet from dropping down. Determine whether the problem is with the wax first. Our preference is to shim the back whenever possible, pinning the front of the bowl down. When shims are placed at the back, there is no reason for them to be getting wet. You can tap them in until the movement is gone, tighten down and trim the shim. I've tried pulling toilets that were "glued or grouted" up before, It's a horrible job that sometimes involves breaking the toilet to remove it. Nothing like broken shards of porcelain to add the our dangers. We use something like polyseamseal for the caulking. It seals well, and I can still remove the bowl if needed.

Updated in 2019 I now use the rubber shims. They are easier to trim off and works just great.

Last edited: Nov 24, 2019 Plumguy

Plumguy