Guide

Turning a tub into a shower

This guide walks you through the plumbing, pan, curb, glass, and the honest question of whether your house should keep one tub for resale.

What we publish a price for. Those are the only prices on this site. Anything else, call (512) 297-7493 and we will look at the room and come back with a straight quote.

What Happens to the Plumbing When You Remove the Tub

The first thing that gets taken out is the tub itself. Once it is gone, the old drain and supply lines are exposed. The drain for a tub sits at one end of the alcove. For a shower the drain needs to be centered in the new pan. That means the plumber has to reroute the drain line and move it. The hot and cold supply lines also have to be moved. The tub faucet is usually on the wall, but a shower valve sits higher. That pipe gets extended up. The plumber caps the old tub spout line and runs new pipe to the shower valve height.

All of this work happens before we start setting tile. We coordinate with the plumber to make sure the walls are ready for waterproofing and the drain is set at the right height for the pan. The floor underneath the tub is usually a plywood subfloor. Sometimes it needs to be patched or reinforced. The plumber handles the rough-in. After that the space is ready for us to build the shower pan and tile the walls.

The Shower Pan and the Drain Location

The pan is the floor of the shower. It has to slope toward the drain so water runs off. Most pans are built with a mortar bed that is shaped on site. The drain is set in the middle of that bed. The slope is usually 1/4 inch per foot. A curb is a raised lip at the entrance that keeps water inside the shower. A curbless shower has no lip. The floor outside the shower has to slope into the shower as well, and a linear drain is often used. That takes more work and more planning.

  • The pan is sloped at least 1/4 inch per foot toward the drain.
  • A curb is typically 4 to 6 inches tall and made of mortar or a preformed piece.
  • Curbless showers require the bathroom floor to slope and a linear drain set at the opening.
  • The drain location is set when the mortar bed is poured and cannot be moved later.
  • We use a bonded waterproofing membrane over the mortar bed and up the walls.
Full height glazed zellige shower with a brass rainfall head and a niche cut into the field.
Full height glazed zellige shower with a brass rainfall head and a niche cut into the field.

Wall Height, Glass, and Waterproofing

The walls in a shower need to be waterproof from the pan up to at least the height of the shower head. Most showers go 7 feet up or all the way to the ceiling. The tile is set over a cement board that has a surface-applied waterproofing membrane. We bond that membrane to the board and the pan. The glass enclosure is installed after the tile is finished. Frameless glass uses heavy tempered panels held by clamps. Framed glass has metal channels around each panel. Sliding doors are common for alcove showers. Swing doors need room to open.

The glass itself is not part of our tile work. The glass company measures and installs it after we finish. We leave the tile edges clean and straight so the glass channels fit tight. The wall height determines how tall the glass panels can be. If the shower goes to the ceiling, the glass stops below the ceiling. If the walls stop at 7 feet, the glass goes to the same height. Waterproofing is critical. Without it water can seep through the grout and damage the wall behind the tile.

Should You Keep a Tub for Resale?

This is the honest question. If your house has only one tub and you take it out, a future buyer might want a tub. Families with small children often prefer a tub. If you have a second bathroom that already has a tub, converting the first one is less of a risk. Some people convert a shower back into a tub later, but that is more work and costs more. It is easier to keep one tub in the house if you can.

If you decide to keep the tub and just retile the surround, that work is $2,000 flat. We remove the old tile, prep the walls, and set new tile up to the tub rim. The tub stays in place. The reverse question is whether to convert a shower to a tub. That is not common. It involves removing the pan and drain, installing a tub, and retiling. It is a bigger job. Call us for a straight quote on that kind of work. We do not have a set price for it.

How We Handle a Tub to Shower Conversion

We start by looking at the room and measuring the actual space. We talk through the options: curb or curbless, wall height, tile type, edge profiles. You pick the tile. You can bring your own or come with us to the supply house in Temple. What you pick is what gets set. We do not substitute materials. The same people who quote the job are the people who do the job. We set the tile, grout it, seal it, and clean up behind us. Every installation carries a written one-year limited labor warranty from the date of completion. It covers issues that come from the original installation. It does not cover the tile itself or any damage done after the work is done.

There is no set price for a tub to shower conversion because every job is different. The plumbing move, the pan size, the tile choice, and the glass all change the cost. Call us at (512) 297-7493 or email info@merlanstile.com for a straight quote. We work in Killeen and the surrounding area: Harker Heights, Copperas Cove, Nolanville, Belton, Temple, Salado, Georgetown, Round Rock, Waco and Austin.

Questions

Asked and answered

How long does a tub to shower conversion usually take?

Most of the time the plumbing rough-in takes a day or two. After that we need about three to five days for the pan, tile, and grout. The glass is usually installed a week after the tile is done. The whole process from start to finish tends to run two to three weeks, depending on tile availability and scheduling.

Do you remove the tub yourself or do I need a plumber?

We do not do plumbing work. We tile after the tub is out and the plumbing rough-in is done. You will need a plumber to disconnect and remove the tub, reroute the drain and supply lines, and set the shower valve. We can recommend a plumber if you need one.

Can I keep the tub and just retile the surround?

Yes. If you want to keep the tub and only replace the tile around it, that is a tub surround job. The price for that work is $2,000 flat. We remove the old tile, prepare the walls, and set new tile. The tub stays in place. We do not touch the plumbing or the tub itself.

What if I want a curbless shower for accessibility?

A curbless shower is possible, but it requires more work. The bathroom floor has to slope toward the shower drain. A linear drain is usually set at the opening. The entire floor may need to be retiled to match. The cost is higher. We can give you a straight quote after we look at the room.

What kind of warranty do you offer on the tile work?

Every installation comes with a written one-year limited labor warranty from the date the work is completed. It covers issues that come from the original installation, like a tile coming loose or a grout crack that is our fault. It does not cover the tile material itself or any damage done after we finish. The manufacturer covers the tile.

Get a quote

Tell us about the room.

Square footage, the tile you have in mind and when you want it done. We come back with a number for the whole job.

Every installation carries a written one-year limited labor warranty from the date of completion. It covers issues arising from our original installation. It does not cover materials, which fall under the manufacturer’s own warranty, and it does not cover modifications made after our installation is complete.