You’ll probably need to replace your shower door seals every few years to prevent puddles of water forming on your bathroom floor. The seal plastic slowly becomes discoloured and brittle and doesn’t seal as well as it used to. You may even just want to replace your seals because they’re looking old or are covered in mildew, which can be difficult to clean off. This is quite a cheap and easy problem to fix and shouldn’t take you more than half an hour if you’ve got the right replacement seal strips.

replacement seals available

Most shower doors have two different types of seals on them, one called a lip or bumper seal, which is installed on the vertical edges and seals against the other glass panels or walls of the shower, and a second drip seal which is installed along the bottom edge of the door and directs the water running down the door onto the shower floor and seals between the door and the floor of the shower.

If your shower head is still in good condition but some of the holes have become blocked, try effortlessly cleaning out your blocked shower head.

What You Need

  • Replacement lip or bumper seal strip, for one or both sides of your door
  • Replacement drip seal strip for the bottom of your door
  • Craft knife or scissors
  • Damp soapy cloth

How To Replace Your Shower Seals

cracked shower door seals

Most glass showers are custom built to fit the available space, so seal strips are sold in individual lengths which can be cut to accommodate your shower. If you have a standard “off the shelf” shower then you may be able to get a full replacement seal kit which will already be cut to size.

remove the old shower door seal

To start with, you need to remove the old seals from the door. Once they have become brittle, they’re usually quite easy to remove, unless there are mineral deposits holding them in place. Just grab onto the seal and pull it outwards off of the glass door. This obviously depends on the type of seals installed but they aren’t usually glued held in place with fasteners.

Use a damp, soapy cloth to wipe down the edges of the glass where the seal was and remove any mineral deposits and mildew from the glass.

new shower door seal strip

Next, cut a length of seal strip slightly longer than the section you are replacing.

Install the seal onto the door by pressing one end of the seal onto the corner or end of the door and then pushing the seal into place from this end, working your way to the opposite end. The seal should be tight and take some effort to get seated correctly.

installed new shower seal

Once your seal is in place, you should have a section of overlap which needs to be trimmed. Use your craft knife to trim the overlapping piece so that the edges are flush.

cut the seal with a craft knife

Do the same for the remaining seal strips which you’d like to replace and your shower will be as good as new again.

new shower door seals

new shower door drip seal

new shower door seal

newly installed shower door seals

Have you replaced your shower seals? Let us know your tips and tricks in the comments section below.

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