How to Choose the Right Shower Door Seal
Choosing the right shower door seal is not just a case of replacing the old strip with something that looks similar.
The best fit depends on where the seal sits, the type of shower door or screen, the glass thickness, the gap size, the seal profile and the material.
This UK buying guide brings together our main shower seal guides, so you can compare bottom seals, side and vertical seals, magnetic closing seals, threshold strips, fin styles, bulb profiles and replacement options before you order.
Start with the sections below to narrow down the right seal for your shower door, bath screen or enclosure.
Start Here: Understand the Main Seal Types
If you do not know what your old shower door seal is called, start with the basic seal types. Shower door seals can be fitted to the bottom edge, side edge, closing edge, bath screen or threshold, and each type solves a different sealing problem.
Match the Seal to Its Fitting Position
Choosing a Bottom Seal and Gasket
Replacing the strip along the bottom edge? Compare bottom seals, gaskets, sweeps and drip strips before choosing.
Choosing a Side or Vertical Seal
Side edges can use different seal styles. Compare side, vertical and jamb-style seals before selecting a replacement.
Choosing a Magnetic Closing Seal
Magnetic seals are usually considered where two glass panels or shower doors meet. This guide helps you decide whether a magnetic closing seal is the right match, or whether another profile is better.
How to Choose the Right Shower Threshold Strip
A threshold strip or water deflector is used as a raised profile around a shower tray, wet-room edge or bath screen area. Check when this type of strip is suitable before ordering.
Check Your Door and Gap
Check Framed vs Frameless Door Gaps
Framed and frameless shower doors are designed with different gaps and fitting points. This guide explains how those differences affect the replacement seal you choose.
Check If a Universal Seal Will Fit
Universal seals are only suitable when the profile, glass thickness, gap size and fitting position match your shower door or screen.
Choose a Seal for a Small Gap
Narrow gaps usually need slimmer profiles. Oversized fins or bulky seals can affect door movement and may not sit correctly.
Uneven Gap Under Your Shower Door?
Fix a sloping or uneven shower door gap with the right bottom seal and threshold bar combination. Ideal if one side leaks while the other side drags or jams.
Compare Seal Profiles and Fin Styles
Single Fin or Double Fin?
Compare single-fin and double-fin profiles before choosing a replacement for your door position and clearance.
Is a Longer Fin Always Better?
A longer fin may drag, fold or affect door movement if there is not enough clearance.
When to Choose a Bulb Seal
Bulb profiles are not usually the best fit for the bottom edge. Check when a sweep-style profile is more suitable.
Should a Bulb Seal Go on the Bottom Edge?
Bulb profiles are not usually the best fit for the bottom edge. Check when a sweep-style profile is more suitable.
Compare Materials and Replacement Options
Polycarbonate or PVC?
Compare clarity, flexibility, durability and yellowing resistance before choosing a replacement.
F-Type Seal: Branded Part or UK Replacement?
Check the F-profile shape, fit and material before replacing a branded shower seal.
Can a Standard UK Seal Replace a Branded Part?
Check when a standard UK profile is a suitable match, and when an exact original part may be safer.
Ready to browse seals?
Ready to compare replacement seals? Browse our main seal collections by fitting position and profile.
Manufacturing glass shower door seals since 1998
Still Not Sure Which Seal Fits?
We’ve manufactured glass and shower door seals since 1998, including bottom seals, side seals, magnetic closing seals and threshold profiles.
Send us a photo of your existing seal, plus your glass thickness and gap size, and we’ll help you choose a suitable replacement before you order.