Caring for your walk-in tub door seal so it stays watertight for years
Updated September 2026
Walk-in tub door seal care comes down to two easy habits: keep the seal and door frame clean, and leave the door slightly open whenever the tub is not in use. Your door seal is designed to stay watertight for many years, and residue buildup and constant compression are the two things that shorten its life. Both are fully in your control.
Watch: Proper Door Seal Maintenance
Chapters in this video
- 0:00 Clean Your Door Seal Regularly The video explains how to clean the door seal and frame to prevent leaks and debris buildup.
- 0:38 Replacing a Loose Door Seal The video demonstrates how to replace a loose or damaged door seal by applying a thin bead of silicone to the gasket channel.
- 1:02 Adding Silicone to Inward Doors The video shows how to add a bead of silicone to the corner of the gasket where it meets the frame on inward swing doors.
- 1:23 Extend Gasket Life The video recommends leaving the walk-in tub door slightly open when not in use to extend the gasket's flexibility and life.
The video shows the routine for both door styles: clean the seal and door frame regularly with a common household cleaner, wipe the gasket and inner frame on inward doors, re-secure a loose seal with a thin bead of silicone in the gasket channel, and leave the door slightly open between baths so the gasket is never compressed for days at a time. Watch: Ella's Bubbles: Proper Door Seal Maintenance-Inward and Outward Swing Doors with chapters and a full transcript.
Routine Seal Care
- Clean the seal itself on a regular basis with a common household cleaner, keeping it free from any debris. Rubbing alcohol also works well for cleaning the silicone seal.
- Clean the door frame regularly too. Any residue that is allowed to build up, or debris left in the seal or frame, can lead to door leaks. One owner traced a recurring leak to grit on the seal and found that a quick wipe before each bath stopped it entirely.
- On inward swing doors, wipe down the gasket and the inner frame the same way, on a regular basis.
- Leave the door slightly open when the tub is not in use. This prevents unnecessary compression of the gasket and extends its flexibility and life.
If Your Tub Just Arrived and the Seal Looks Deformed
During shipping, the silicone seal can stick or take a temporary set. This is easy to restore: gently squeeze the seal with your fingertips and pull it away from the door frame to bring back its shape, then clean it with rubbing alcohol. Once installed, the door should close smoothly into a watertight seal. Our delivery day article covers the rest of the unpacking checks.
If a Seal Becomes Loose
In the rare instance that a door seal becomes loose or damaged, it can be re secured or replaced. The video above demonstrates the process:
- Place a thin bead of silicone into the gasket channel.
- Allow the silicone to set up for 20 minutes before reinserting the gasket.
- Wait 24 hours for the silicone to dry before using the tub.
- On inward swing doors, roll the seal gasket away from the frame and run a bead of silicone down the corner where the gasket meets the frame. You can also add a bead to the other side of the gasket if necessary, then wait 24 hours to dry.
Replacement seals are available through our support team. Have your serial number handy, it is on the label behind the magnetic access panel next to the door; see finding your model and serial number.
Installing a Replacement Seal
Chapters in this video
- 0:00 Replacing a Walk-In Tub Gasket Replacing your walk-in tub door gasket is a simple process that ensures a watertight fit.
- 0:19 Applying Adhesive Remover The technician sprays adhesive remover onto the gasket to help it slide easily into the door channel.
- 0:35 Making Relief Cuts The technician uses diagonal cutters to make V-shaped relief cuts on the gasket at the curved sections of the door.
- 1:02 Inner Curve Cuts For the inner curves where the door bends inward, the technician makes straight vertical cuts.
- 1:21 Finishing the Gasket Installation The technician makes a small angled cut at the end point so the gasket slightly overlaps and is fully inserted into the groove.
Watch: How To Install a Walk-In Tub Door Seal (Step-By-Step) with chapters and a full transcript.
When a new gasket arrives, this video shows how it goes in: spray adhesive remover on the gasket so it slides into the door channel and press it into the groove with a spatula until it is fully seated. At outer curves, use diagonal cutters to make four V-shaped relief cuts where the gasket bends, keeping the cuts above the gasket reach line; at inner curves make straight vertical cuts. Continue applying remover and guiding the gasket to the end, then make a small angled cut so the tip slightly overlaps yet sits fully in the groove. Full replacement guidance, including the LayDown glass door, is in door seal care and replacement and the LayDown door seal installation video.
The Bigger Picture: Why Doors Leak
A clean, healthy seal does its job only when the tub is level. The number one cause of door leaks is leveling, not the seal. All leveling legs must touch the floor with equal weight, with no gap under any leg, so the frame and shell stay true and the door closes smoothly into a watertight seal. If a door begins to leak and cleaning the seal and frame does not resolve it, leveling is the first thing to have checked, using our leveling guide. Also remember that the door is designed to hold its own weight only, so please do not lean or press body weight on the open door; water at the door: what to check walks through the full diagnosis.
Quick Reference
| Habit | Frequency | Purpose |
|---|---|---|
| Wipe seal and frame with a household cleaner | Regularly | Prevents residue and debris buildup that causes leaks |
| Leave the door slightly open | Whenever the tub is not in use | Prevents gasket compression, extends seal life |
| Silicone set time when re seating a gasket | 20 minutes before reinserting | Lets the bead grab the gasket channel |
| Silicone cure time | 24 hours before using the tub | Ensures a watertight bond |
Related Guides
- How Do I Get Sticker Glue, Caulk or Silicone Off the Tub?
- Water Trapped Inside the Door Seal Tube: How to Remove It
- Door Still Leaks at the Hinge After Resetting the Hinges: Remove the Door and Reseal Behind the Bottom Hinge
- Replacing a Leaking Door Seal: Torn Seal or Door Alignment, Warranty Coverage, and How the Seal Ships
- Do Walk-In Bathtubs Leak Through the Door Seal?
- Do walk-in tubs leak around the door, and what stops it?
Common Questions
Should I leave the door open or closed when the tub is not in use?
Is there a lubricant or spray I should put on the seal?
What do I clean the gasket with so I do not damage it?
The seal is clean but the door still leaks. What next?
How do I get a replacement seal?
Is the door seal covered by the warranty?
How long does silicone need before I can use the tub?
My new tub's seal looks flattened or stuck. Is it defective?
Still need help? Open a ticket at ellasbubbles.com/support or call (800) 480-6850 and our team will be happy to walk you through it.
About this guide. Answers in the Ella’s Bubbles Support Center are compiled from real conversations with tub owners, our technicians’ notes and the product documentation, then reviewed by our team. Tub models and options have evolved over the years, so a detail here may differ slightly from your exact tub. If something looks different on yours, send us your serial number and a specialist will confirm it for your model.
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