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Removing a Toilet: Drain, Unbolt, and Lift It Safely

Updated
Two bolts and a water line stand between you and a clear bathroom floor.

Pulling a toilet looks like plumber territory, but it comes down to shutting off one valve, draining the bowl, and loosening two bolts. Most people can have the old unit off the floor in under an hour with tools already in the garage.

You might be doing this to lay new flooring, swap a cracked bowl, or upgrade to a water-saving model. Whatever the reason, the mechanics are the same.

Below is the full sequence, from draining the tank to freeing rusted bolts, plus what to measure before you buy a replacement.

Key Takeaways

  • Drain everything: Turn off the water supply, flush and hold the handle, then sponge the tank and bowl dry to cut weight and spills.
  • Disconnect and unbolt: Detach the water supply line, pry off the base caps, and unscrew the two floor bolts that hold the toilet to the flange.
  • Lift and seal: Rock the bowl to break the wax ring, lift with your legs, then plug the open drain with a rag to block sewer gas.
  • Measure before buying: Measure the “rough-in” (wall to bolt center); 12 inches is standard, but older homes run 10 or 14 inches.


Can I Remove a Toilet Myself?

You can absolutely remove a toilet yourself. There is some heavy lifting, but the mechanics are simple, and if you drain the unit properly first you can have it out in under an hour.

Removing the toilet is often the starting point for a bigger project, such as installing new flooring, laying tile, or painting behind the tank.

Call a pro if a back injury keeps you from lifting, or if the toilet flange (the fitting that connects the bowl to the drainpipe) looks cracked or badly corroded, since a broken flange needs replacing before a new toilet can seal.

How to Drain a Toilet

You cannot skip this step. Lifting a toilet full of water guarantees a mess and adds pounds you do not need to carry. Here is how to get the unit dry and ready.

What You’ll Need

  • Adjustable wrench or channel locks.
  • Old towels.
  • Large sponge.
  • Bucket.
  • Plunger.
  • Rubber gloves.

1. Turn Off the Water Supply

Locate the water supply valve. It is usually on the wall or floor behind the toilet, near the bottom left of the tank.

Rotate the handle clockwise until it stops. On a “quarter-turn” valve, move the lever so it sits perpendicular to the pipe. If the valve is stuck or leaks when you close it, shut off the main water supply to the house instead.

2. Flush and Sponge

Flush the toilet and hold the handle down. Most of the water leaves the tank, and because the supply is off it will not refill.

A little water always stays at the bottom of the tank and in the bowl. Soak it up with a large sponge and wring it into your bucket. The drier the porcelain, the lighter and cleaner the lift.

Top Tip

Wear rubber gloves for this. The tank water is clean, but the bowl water carries bacteria and residue.

3. Force Remaining Water Out

If a slug of water still sits in the bowl, plunge it down the trapway, then follow with the sponge to clear the rest.

4. Disconnect the Supply Line

Set a bucket or towel under the supply valve to catch drips. Use your wrench or pliers to unscrew the supply line coupling from the bottom of the tank.

If you are replacing the toilet, disconnect the line from the wall valve as well. Fitting a fresh braided supply line with a new toilet is cheap insurance against a slow drip later.

How to Remove a Toilet

With the water gone, you can lift the fixture off the floor.

What You’ll Need

  • Utility knife.
  • Putty knife or scraper.
  • Old rag (essential).
  • Adjustable wrench.
  • Heavy-duty trash bags or newspaper.

1. Remove the Mounting Bolts

Pry off the plastic caps at the base of the bowl. Underneath are the nuts and bolts that anchor the toilet to the floor flange.

Unscrew the nuts with your wrench. If a bolt spins instead of loosening, grip it with a second pair of pliers while you turn the nut. Set the hardware aside.

Weight Saving Tip

On a two-piece toilet, take the tank off first. Undo the two bolts joining the tank to the bowl and lift the tank away on its own. The bowl is far lighter and easier to handle once the tank is gone.

2. Cut the Caulk Seal

Most toilets are sealed to the floor with a bead of silicone caulk. Score it all the way around the base with a utility knife, cutting fully through so the bond with the floor lets go.

3. Lift the Toilet

Straddle the bowl and grip it by the rim. Rock it gently side to side to break the pull of the wax ring underneath.

Lift with your legs, not your back. Move the toilet clear of the drain and set it on a drop cloth, newspaper, or inside a large trash bag so leftover wax does not stain the floor.

4. Block the Sewer Gas

With the toilet out of the way, you will see an open hole in the floor. That is the drainpipe, and the toilet’s own trap was the only water seal keeping it closed. Stuff an old rag into the hole right away. This keeps out sewer gas, a mix that carries toxic hydrogen sulfide (the rotten-egg smell) and flammable methane, and it stops a dropped bolt or scraper from disappearing down the drain.

5. Clean the Flange

Scrape the old wax ring off the flange with a putty knife. It is sticky and messy, so keep a trash bag handy. You need a clean, flat surface for the new wax ring to seal against.

How to Remove Rusty Toilet Bolts

Toilet bolts sit in a damp, splash-prone spot, so they rust and seize more than almost any fastener in the house. If the nuts will not budge, work through these before calling a plumber.

1. Use Penetrating Oil

Spray a generous shot of penetrating oil (like PB Blaster or WD-40) onto the bolts and let it sit at least 15 minutes so it can creep into the corrosion.

2. The Tighten-Loosen Method

Sometimes nudging the nut the wrong way first cracks the rust seal. Give it a quarter turn clockwise, then back it off.

3. Cut the Bolts

If a bolt is stripped or fused solid, cutting is usually faster than fighting it. Saw through it just below the nut with a hacksaw or a compact close-quarters hacksaw, keeping the blade off the porcelain and the floor.

Tips for Choosing a New Toilet

If you are pulling the toilet to replace it, buy the right one before you touch the old one. Check these four things first.

Check the “Rough-In” Measurement

This is the measurement that decides whether a toilet fits. Measure from the finished wall behind the toilet to the center of the floor bolts, not from the baseboard, which reads short. About 80 percent of toilets use a 12-inch rough-in, but older homes and small half baths sometimes run 10 or 14 inches. Match what you have: a 10-inch toilet will usually sit on a 12-inch rough-in but leaves a gap behind the tank, while a 12-inch bowl will not fit a true 10-inch rough-in at all.

One-Piece vs. Two-Piece

Two-piece toilets are the most common and the most affordable. One-piece units are lower and sleeker, wipe clean with no seam between tank and bowl, and have fewer joints to leak, but they weigh more and cost more.

Comfort Height vs. Standard

Standard bowls sit about 14 to 15 inches off the floor. Comfort height toilets measure 17 to 19 inches from the floor to the top of the seat, the ADA-compliant range. Those few extra inches make sitting down and standing up easier, which helps taller adults and anyone with knee or back trouble.

Water Efficiency

Look for the EPA WaterSense label. Those toilets use 1.28 gallons per flush or less, roughly 20 percent below the current 1.6-gallon federal standard, while anything installed before 1994 likely used 3.5 gallons or more. Trading an old guzzler for a WaterSense model saves the average household close to 13,000 gallons a year. A dual-flush model adds separate buttons for liquid and solid waste to cut usage further.

FAQs

How Long Does It Take to Remove a Toilet?

Removing a toilet usually takes 30 to 60 minutes, most of it spent draining and sponging the tank and bowl dry. Rusted or stripped floor bolts add time, since you may have to soak them in penetrating oil or saw them off before the bowl will lift free.

Do I Need a New Wax Ring When Removing a Toilet?

Yes, fit a new wax ring every time you reset a toilet. Once the old wax has been compressed and broken, it will not reshape into a watertight seal, and reusing it invites slow leaks at the base. A fresh ring or a reusable rubber seal gasket costs little, so install a new wax ring when you set the toilet back down.

How Do You Remove a Toilet Cemented to the Floor?

To free a toilet set in cement or mortar, tap a cold chisel around the base with a hammer to break the bond a little at a time. Work slowly and angle the chisel away from the porcelain, since forcing it can crack the bowl, the floor tile, or the flange underneath.

How Do I Stop the Sewer Smell After Removing a Toilet?

Plug the open drain the moment the bowl is off the floor. A rag or old towel stuffed into the pipe reseals the opening and blocks the hydrogen sulfide and methane the toilet’s water trap used to hold back. For a job that runs longer than an afternoon, a rubber test cap or a plastic bag taped over the hole seals better than a loose rag.

Where Can I Dispose of an Old Toilet?

Most curbside trash services will not take a toilet, so plan to haul it to a local landfill, transfer station, or construction-waste recycler that accepts porcelain. Many towns also run scheduled bulk-item pickup days, and some retailers offer haul-away when they deliver a new toilet. Call ahead so the trip is not wasted.

How Heavy Is a Toilet?

An average two-piece toilet weighs 70 to 100 pounds, and one-piece models often top 100 pounds because the tank and bowl are cast as a single unit. Lift with your legs, and grab a helper for a one-piece toilet or a long carry so you do not strain your back.


Ready to Remodel?

Once you have done it a single time, pulling a toilet stops feeling like plumbing and starts feeling like what it is: two bolts, a water line, and a wax ring.

With the old unit out, the floor is clear to lay new tile, paint behind the tank, or set a water-saving model that trims the bill every flush.

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About the Author

Mark Weir

Mark spent 24 years working in real estate, so he knows his way around a home. He also worked with contractors and experts, advising them on issues of planning, investments, and renovations. Mark is no stranger to hands-on experience, having renovated his own home and many properties for resale. He likes nothing better than seeing a project through to completion.