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The construction methods of a mud shower pan in a tile shower reconstruct may make or fault the finished installation.

Faulty shower pans may lead to cracks, leaks, and an overall disaster.

Follow these steps in creating the mud pan and be sure to read and re-read the entire article, as to get all materials necessary for the project and see to it the endevour is done right the primary time.

1. Complete demolition of shower area down to subfloor and wall studs.

Remove all debris, and leave area in broom-clean condition.

2. Create a moisture barrier to protect versus wood rot and deterioration.

Staple 15lb roofing felt to wall studs and over subfloor. Overlapping seamed areas where necessary.

3. Create the curb.

You may frame the shower curb using wood 2x4s nailed together. It is industry ordinary for a six inch curb, so three 2x4s stacked together will due. Recommend using stainless steel nails for fastening together.

You may also substitute a 2×4 curb frame with a pre-fabricated curb.

4. Build a pan pre-slope.

The mud mix employed to finish project is 1 share Type II Portland Cement to 4 elements clean moist sand. Ensure you have sufficient bags to mix to finish whole project. (You don’t want to run out and then have a “cold” pour meet a “hot” cure.)

Create a pre-slope to direct water towards the drain. Ensure to keep outside perimeter level and bear in mind that your final slope will have to rise 1/4″ for each foot.

5. Install waterproof liner.

You’ll need to buy a waterproof liner that will wrap altogether over your curb and fold inside pan and wrap tightly up wall studs to rise at least 3″ above curb on all three walls.

Do not firmly attach or penetrate liner anyplace but on edges over curb and on top of wall studs. (Staple or nail off)

Make an “X” cut on liner over drain and stuff inside.

6. Install cement backerboard on wall studs.

Install 1/2″ cement backerboard units over wall studs. Use approved fasteners, refer to installation instuctions located on sticker of backerboard product.

Skim coat seams with 2″ fiberglass mesh tape and thinset.

Be sure to NOT penetrate waterproof liner, and stay at least 6″ above bottom of backerboard where it meets shower pan.

7. Trowel mud shower pan.

Use mud mix (1 part Type II Portland Cement to 4 parts clean moist sand) to create shower pan.

Keep perimeter level and trowel slope with a rise of 1/4″ for each foot. Pack when it comes to an inch of mud over entire curb.

Use flat edge of trowel to smooth mud over entire pan and curb. Let heal for at least 24 hours.

8. Set tile.

Install tile over pan and walls using suitable thin-set mortar.

Good luck!

And Have fun.

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