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100% Guaranteed Safe Checkout, Selected profiles may include 2–3 close-fit options at no extra charge.
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Need another size? Browse our bottom shower seals collection for 4–6mm alternatives.
The V456S16 is a clear flexible PVC bottom seal for 4mm, 5mm and 6mm frameless glass shower doors with a larger bottom gap of around 13–16mm. It comes in a 950mm length and can be trimmed to fit your door width.
The seal should be pressed onto the exposed bottom edge of the glass, rather than slid along from one side. The 16mm soft fin helps cover the space between the glass and the tray or floor, reducing water escaping beneath compatible shower screens, pivot doors, hinged doors and some sliding doors.
A FREE D510 threshold bar is included. Fit it behind the bottom seal, on the shower side, to create a second barrier where water would usually run towards the bathroom floor. This seal is not suitable for curved doors, framed doors or bottom gaps outside the 13–16mm range.
We aim to dispatch all orders placed before 2 PM on the same day. Orders placed after 2 PM usually ship the next working day.
Important: Our automated system selects the best courier based on your address, order size, and quantity.
A small surcharge applies to remote areas (Highlands/Islands/NI). This is clearly calculated when you enter your postcode.
If your order hasn't arrived within 5 working days (any service), please email us immediately at info@showerdoorseal.uk.
Product Safety
Manufacturer Name: SIMBA International Limited
Address:No.25-2, Fuke North Road,
Luosong Village, Fusha Town,
Zhongshan, Guang Dong, China
Contact: support@glassseals.com
For selected profiles, your order may include 2–3 closely matched finished seals, packed together at no extra charge. Small measurement differences can be difficult to confirm at home, so we include nearby options where this helps reduce the risk of ordering the wrong fit. Each seal is complete and ready to fit. Simply use the one that suits your shower door best.
Send us a photo of your shower door edge and gap — we’ll help you find the right fit.
SIMBA Seals UK specialises in replacement shower door seals, supported by a glass seal manufacturing team working with seal profiles since 1998.
We help customers match seals by glass thickness, gap, profile and door design, with access to over 9,000 profiles for older or harder-to-match enclosures.
Overall rating: 4.6 / 5 from 5 reviews.
Mostly easy to install - the fins are probably bending/overlapping a little too much at the front and not at all at the back (especially if I open and close the door regularly) as the door isn't perfectly straight (1.5cm vs 0.6cm) - but that can't be helped unfortunately.
I was worried about fitting this in the middle of February, but the material is top-notch. It wasn't stiff like the ones from the local DIY shed. Cut easily with a junior hacksaw and clicked right into place. The seal design is clever—it grips the glass tight but the bottom fin is very soft. No more leaks!
Perfect fit (thought I would never find the correct seal and then stubbled along this website). The directions on the website were most helpful (to help me purchase the right seal)!👏🏾 Thank you for genuinely thinking about consumers!😁
Favourite item of shower seal!
👍👍👍
