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Fix & Install

Instructions for Replacing a Glass Shower Door Sweep

A pivoting glass frameless shower door will have a removable and replaceable door sweep along the bottom. By maintaining this shower door seal, you’ll ensure water doesn’t leak in the areas the seal should be protecting.

You’ll only need a few basic hand tools to cut the new seals to exact length, or for a little extra cost you can buy pre-cut shower seals and need no tools at all.

Further Reading:  Review: Scotch-Brite Shower Scrubber

Step-by-step instructions for replacing a glass shower door seal:

1Remove worn door seal

Frameless door seals are simply pressure fitted. There are no adhesives or mounting hardware holding them on.

  • Over time and use the sweep fin will eventually tear from the main frame and lead to leaks.
  • Mineral buildup will also create an unsightly discoloration over time as well in the seal location, which may be cleaned to a certain extent.
Worn shower door sweep with torn fins
Worn and damaged shower seal needs replacing

2Assess sweep dimensions

Measure the glass door thickness and the length needed for a replacement.

How to measure a shower door for a new sweep
Doors do vary in thickness

3Assess sweep style to order

Based on the existing seal and dimensions calculated in the previous step; determine the proper seal to order as a replacement.

Glass shower door sweep style replacements
Make sure you have the proper seal style
TIP: Ordering extra lengths of sweeps will save on long-term shipping costs, while providing a needed inventory for future replacements and miscuts.

4Cut new seals to length.

  • A hacksaw with the proper blade (32TPI) will produce a clean-cut.
  • A ratcheting PVC tubing cutter or pruning shear  may work, but I’ve had mixed results.
  • Using a utility snip or scissors can crack the rigid PVC material and most likely yield in an uneven cut.
How to cut a shower door sweep
A basic miter box helps cut a straight edge

5Insert new shower door seal.

  • Push new sweep over glass door as original was fitted. If a drip edge is part of the sweep, face it inwards to keep water within the shower stall.
  • View full video tutorial for more information.
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Cleaning a shower door and sweep area.

Clean the door sweep area thoroughly before installing a new sweep. Use the same removal and replacement steps above to do a regular cleaning of the sweep and seal area. Soap scum and minerals can build up over time.

Any general purpose bathroom spray cleaner works well when combined with either a scrub brush (utility brush, tile and grout brush, etc.), or scrub pad.

For excess mineral build-up on the glass door, a glass scraper may be required.

Items to clean the area of a shower door sweep

Additional tips to help avoid shower water leaks and damage:

  • During very cold climates, the door can shift around and leak even if the seal is in perfect condition.
  • Point the shower head away from directly spraying the shower door and corner pivot joints as an added measure to prevent water leakage.
  • Use of a bath mat will absorb any water that may escape the shower.
  • Inspect and ensure surrounding caulk joints are faultless.
Tags : bath maintenance