install a shower wall

Apply SimpleMat to your shower walls, then tile - it's that easy. 

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prepare your shower walls

Nail or staple 16 lb. roofing felt or 4 mil polyethylene sheeting to studs.

Install 1/2" (13 mm) cement backerboard for wall installation. Cut open areas to support plumbing fixtures.

Clean dust and debris.


Ensure a flat counter or wall surface.

Do not apply to uneven surfaces.

applying SimpleMat to shower walls

Place SimpleMat in position and mark cuts if needed.

Cut SimpleMat with scissors or utility knife.

Apply SimpleMat then flatten air bubbles and creases.

shower walls layout & application

A single sheet of SimpleMat must run across a corner with at least 1" (25 mm) of excess material on each wall.

Lay SimpleMat horizontally on shower walls starting from the bottom of your shower wall up.

Overlap SimpleMat edges 1/8" to 1/4" (3 - 6 mm). Overlapping is black in illustration.

For value size roll installation instructions, see manual below: