F Shape Shower Door Seal | 8mm Slim Fin | Fits 4mm, 5mm & 6mm Glass F456S8
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Description
Description
The Precision Choice for Thin Glass: Professional Sealing for 11mm to 14mm Gaps.
Supplied as:
1 x Twin Seal Pair (2 Units)
Specifically engineered for 4mm-6mm glass profiles, providing a secure, rattle-free barrier for slimline shower enclosures.
Technical Specifications
| Catalog No. | F456S8 |
| Fin Length | 8mm (Short-Profile, High-Tension Fin) |
| Glass Compatibility | Fits 4mm, 5mm, or 6mm glass |
| Material | UV-Stabilised, High-Grade Anti-Fungal PVC |
| Sealing Range | Bridges gaps between 11mm and 14mm |
| Standard Length | 2000mm (Easily trimmable at home) |
| Warranty & Shipping | 10-Month Guarantee | Free UK Shipping | VAT Inc. |
Is the F456S8 the Right Match for Your Slimline Screen?
When dealing with 4mm to 6mm glass, a 'one-size-fits-all' seal will almost always rattle or slide off. The SIMBA F456S8 is our specialist slimline profile, designed to 'bite' onto thinner glass for a permanent feel. If you want a discreet, near-invisible seal for a tight 11-14mm gap, this is your professional fix.
This model features a narrowed U-channel that provides a secure tension-fit on 4mm, 5mm, and 6mm glass. No messy silicone or adhesive required.
Ideally suited for precise clearances between 11mm and 14mm. The short 8mm fin ensures the door glides smoothly without catching on the tray edge.
This specialist part is a core component of our F shape shower door seals collection—the UK’s most trusted source for precision bathroom hardware.
Why Choose the SIMBA 4-6mm 'Slim-Fit' F Seal?
Specifically engineered for the lightweight frames common in many UK households.
Unlike 8-10mm seals used on thin glass, this model won't wobble or lean. It stays perfectly vertical for a superior aesthetic.
The 8mm fin is designed for effortless gliding, reducing wear and tear on your shower door hinges.
Formulated with high-grade UV stabilisers to resist yellowing effects of sunlight and steam.
Our PVC is infused with anti-fungal agents to inhibit black mould growth in those hard-to-reach corners.
Delivery & Shipping Information
Delivery & Shipping Information
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.
Delivery Summary
- UK Mainland Standard: 2–3 working days (FREE).
- Highlands, Islands & NI: 3–7 working days (Calculated at checkout).
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.
Compliance Information
Compliance Information
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
Notified by email when this product becomes available
Simba Professional Care Guide
Ensure a perfect fit and a lifetime of clarity.
✓ DO’S
- Direct Press: Fit by pressing directly onto the glass edge to protect the surface.
- Deep Clean: Remove all UK hard-water limescale before installation.
- Sharp Tools: Use garden pruners for a clean, professional finish.
- Daily Rinse: Simply wash away soap suds after your shower.
✕ DON’TS
- No Sliding: Never slide the seal along the glass; this risks scratching.
- No Extreme Heat: Avoid water >70°C or hair dryers to prevent warping.
- No Soapy Water: Do not use lubricants—they accelerate mould growth.
- No Harsh Chemicals: Avoid bleach or acidic cleaners on the seal.
Quality & Environmental Standards
Simba® seals are manufactured to the highest international standards, ensuring safety and sustainability for your home.
ISO 9001:2015
Premium quality control ensuring consistent product durability and precision fit.
ISO 14001:2015
Manufactured with a commitment to environmental responsibility and eco-friendly processes.
SVHC / REACH
Certified non-toxic and safe for domestic use, free from harmful substances.
Installation & Maintenance Support
Unlike standard recycled strips, this profile is engineered with our signature UV-stabilised formula to prevent yellowing and brittleness.
Learn more about the science behind our High-Performance PVC Durability and why it outlasts high-street alternatives.
See why and how to Protect your seals from limescale.
Can’t Find the Right Seal?
As a leading manufacturer, SIMBA stocks over 9,000 styles. From vintage screens to modern doors, we’ve got you covered.
Stuck on which one to pick? Drop us a message. We’re here to help you get that perfect, water-tight fit!
We're the SIMBA makers, and we're always listening.
Since we design and make our own seals, we can actually do something about it.
If you spot anything that could be better—no matter how small—we’d genuinely love your feedback. Let’s make the next version perfect, together.
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