How to Waterproof a Shower

Beginner 20 min 13 steps 15136 views Rating: 4.8/5 Published: 2026-05-08

Wall in the shower area.. Mark off the area you want to waterproof.. Cut a roll of reinforcing membrane to fit over the walls.

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Steps

1

Wall in the shower area.

Step 1

Wall in the shower area.

2

Mark off the area you want to waterproof.

Step 2

Mark off the area you want to waterproof.

3

Cut a roll of reinforcing membrane to fit over the walls.

Step 3

Cut a roll of reinforcing membrane to fit over the walls.

4

Create openings to accommodate the shower fixtures.

Step 4

Create openings to accommodate the shower fixtures.

5

Apply a coat of liquid waterproofing to the backing board.

Step 5

Apply a coat of liquid waterproofing to the backing board.

6

Press the reinforcing membrane into place.

Step 6

Press the reinforcing membrane into place.

7

Brush on an additional coat of waterproofing.

Step 7

Brush on an additional coat of waterproofing.

8

Allow the waterproofing to dry completely.

Step 8

Allow the waterproofing to dry completely.

9

Install the floor tray.

Step 9

Install the floor tray.

10

Drill a hole for the drain.

Step 10

Drill a hole for the drain.

11

Spread waterproofing over the floor tray.

Step 11

Spread waterproofing over the floor tray.

12

Smooth reinforcing membrane over the floor and surrounding areas.

Step 12

Smooth reinforcing membrane over the floor and surrounding areas.

13

Let the waterproofing dry.

Step 13

Let the waterproofing dry.

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