Best answer

JRC3 Member.

It will need to be lined or it will wick into the slab and studding.

The liner also makes the walls around the pan water-tight, that's why the liner normally goes up at least 3" above the pan behind the tile and backer material.

Moisture gets behind the wall tile and is eventually caught by the liner..

Answered by: Dan Rosenstark Date created: Jun 25, 2022

Do I need a vapor barrier behind cement board in shower?

Asked By: Viet Date created: Jun 09, 2022

Moisture barriers stop that water or vapor from getting any farther and potentially rotting your studs, the drywall or greenboard installed behind the enclosure. They are required beneath your shower pan and behind your shower walls.

Answered By: Karoly Horvath Date created: Jun 11, 2022

Do I need to prep concrete floor for tile?

Asked By: Isantipov Date created: Jun 08, 2022

Before you lay any sort of tile, whether it is stone, ceramic or peel and stick vinyl, you must prepare your concrete floor to ensure that the tiles will go down properly and stay where they're placed. Sweep the floor thoroughly to remove all dust and debris. Rinse the floor in small sections and then blot it dry.

Answered By: Val Date created: Jun 08, 2022

Do I need to prime concrete floor before tiling?

Asked By: daggett Date created: Jun 22, 2022

As a general rule, we would say use a primer of some description to prepare your floor prior to tiling. ... For instance, an old concrete floor that was tiled previously will probably not need a primer, as long as the surface is clean and free from old adhesive and anything else that was stuck to the floor.

Answered By: James Newton-King Date created: Jun 24, 2022

Do I need to seal concrete floor before painting?

Asked By: icza Date created: Jun 19, 2022

For a clean and even coat of paint, your concrete surface will need to be thoroughly cleaned before primer is applied. Use a strong sealer to fix any cracks and seal the interior surface of the concrete completely.

Answered By: Bertrand Martel Date created: Jun 19, 2022

Can cement tiles be used in a shower?

Asked By: zed_0xff Date created: Jun 18, 2022

The most common question is, "Can I use them in my shower or bath?" The answer is definitely, "Yes!" Cement tiles can also be used in wet areas such as the bathroom floor, shower floor, shower wall, steam room or sauna. ... However, do not confuse encaustic cement tile with encaustic tile.

Answered By: richie Date created: Jun 18, 2022

Do you need to waterproof cement board in a shower?

Asked By: KarthikBhyresh-MT Date created: Jun 21, 2022

Cement board is not waterproof. Hardibacker is not waterproof. Tile and grout are not waterproof. Cement board will not fall apart when exposed to water.

Answered By: David Rodríguez - dribeas Date created: Jun 23, 2022

Do I need to waterproof cement board in shower?

Asked By: Luke Puplett Date created: Jun 19, 2022

Here's what the TCNA handbook has to say about the matter: “A waterproof membrane or vapor retarder membrane must be specified to prevent moisture intrusion and protect adjacent building materials.” ~B412 Bathtub or shower with prefabricated receptor. Cement board or Fiber-cement board.

Answered By: Vivek Doshi Date created: Jun 21, 2022

Can you use cement tiles in a shower?

Asked By: mu is too short Date created: Jun 21, 2022

The most common question is, "Can I use them in my shower or bath?" The answer is definitely, "Yes!" Cement tiles can also be used in wet areas such as the bathroom floor, shower floor, shower wall, steam room or sauna.

...

However, do not confuse encaustic cement tile with encaustic tile..

Answered By: Anthony Kong Date created: Jun 24, 2022

Do you put cement board under a shower pan?

Asked By: Ilya Chumakov Date created: Jun 22, 2022

Once the subfloor of proper thickness is properly installed then you can apply cement board directly to the subfloor material. ALL CEMENT BOARDS MUST be installed in a fresh bed of thinset. ... If you want the cement board under the shower tray then do so - doesn't matter.

Answered By: sariDon Date created: Jun 22, 2022

Do you need to waterproof concrete bathroom floor?

Asked By: maxshuty Date created: Jun 25, 2022

If the bathroom floor is either concrete or compressed fibre cement sheet flooring then there is no requirement for full waterproofing of the floor and the extent of floor waterproofing will depend on whether it has a bath with a shower over it or the shower recess is enclosed with a shower screen.

Answered By: Petesh Date created: Jun 25, 2022

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