How to Put Wall Molding Around a One-Piece Tub & Shower

Written by darla ferrara
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How to Put Wall Molding Around a One-Piece Tub & Shower
A one-piece shower enclosure helps protect the area from water damage. (Water tap in bathroom image by Nikolay Okhitin from

The advantage of a one-piece shower and tub enclosure is the seamless surface. This protects the wall under the space from water seepage. Applying moulding or trim to the enclosure covers the one open area to finalise the installation. For this surface, trim or moulding kits supply waterproof and mildew-proof, self-adhesive rolls that add to the look of the enclosure as well as seal the space. Application is a straightforward process that takes little time.

Skill level:

Things you need

  • Utility knife
  • Rubbing alcohol
  • Cloth
  • Trim kit

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  1. 1

    Scrape away any silicone around the enclosure with a metal scraper. Silicone will interfere with the adhesive properties of the moulding.

  2. 2

    Apply rubbing alcohol to a cloth. Wipe the cloth across the surface where you wish to add moulding. The alcohol will clean the area thoroughly and allow the glue to adhere to the wall.

  3. 3

    Remove the backing on the moulding. As you pull off the protective backing, press the trim into the surface between the wall and enclosure. Work your way around the edging, pressing the trim in place as you go. The trim is one flexible piece and will wrap around corners. If necessary, use a utility knife to cut off any overhang.

Tips and warnings

  • Some mouldings will only work on horizontal surfaces. Check with the store for trim that provides coverage for lines that run up and down as well as left to right.

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