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4-6mm Glass Bulb Seals Gap 8-12mm D456S12

Regular price £14.88
Regular price £21.00 Sale price £14.88
Sold out
-29%
Taxes included. Shipping calculated at checkout.
Lengths: 950mm
Gap: Seal 12mm

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Description

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Technical Specifications

Catalog Number D456S12
Glass Thickness 4mm / 5mm / 6mm
Gap Sealed 8mm - 12mm
Installation Push-fit (No glue needed)
Length 950mm Clear Strip (Single)
Confidence 10-Month Warranty | 30-Day Returns
Delivery & Tax Free UK Shipping / VAT Inc.

Frequently Asked Questions

Will this seal look good after installation?
Yes! This shower screen seal strip features Ultra-Clear PVC which blends perfectly with any bathroom decor. It is anti-UV treated to prevent yellowing, ensuring your replacement shower door seal stays fresh, transparent, and high-end for years to come.
Will this seal fit my glass thickness?
The bulb is precision-engineered as a 4-6mm shower door seal. The rigid U-channel uses high-pressure friction to grip the glass securely—no messy glue or silicone required.
What size gap can it seal?
This seal is suitable for vertical side gaps of 8-12mm.
Is installation easy? Can I cut it?
Absolutely! Replacing shower door seal strip is a simple DIY task:
1. Trim to size: Use heavy-duty scissors or garden shears.
2. Remove: Pull off your old, discoloured vertical shower door seal.
3. Snap on: Align and press the new seal waterproof strip onto the glass.

Note: Do not slide the seal on. For video demos, visit our shower seal guide centre.
Is it suitable for curved glass?
No. This model is for straight glass only. For curved screens, please visit our Curved Shower Seal Page.
How durable is it?
Built for daily family use, this seal has been cycle-tested over 30,000 times. The rigid U-channel provides a firm grip, while the soft bulb ensures water resistance.
Shipping and VAT Information
No hidden costs. The price includes VAT. We offer Free Standard Delivery to the UK Mainland and a 30-day return policy for your peace of mind.
As a market-leading manufacturer, SIMBA UK boasts a specialist catalog of over 9,000 shower door seals and profiles. If you are struggling to identify the correct bath screen seal or a specific shower screen replacement strip, our UK-based team is ready to provide expert guidance.

The shower bulb seal strip is crafted from high-quality, rigid PVC. Designed for a secure snap-fit onto 4mm to 6mm glass, it requires no adhesives. It is the ideal bath seal strip for homeowners seeking a clean, professional finish.

The soft, elastic bubble creates a perfect watertight barrier for gaps between 8mm and 12mm. Laboratory-tested for over 30,000 cycles to ensure maximum toughness.

This shower screen seal is suitable for vertical use on the sides; it is not recommended for horizontal use at the bottom, as this will cause mold to accumulate quickly inside the bulb.

We offer this bath seal strip in 950mm and 2000mm lengths, which you can easily cut to size.

Important Installation Note: Always position one end of the PVC seal strip onto the bottom of the glass and press upwards along the edge. Do not attempt to slide the seal along the glass, as this may cause friction damage.
SIMBA UK | PREMIUM SEALING SOLUTIONS

 

Delivery & Shipping Information

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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

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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

View full details
4-6mm Glass Bulb Seals Gap 8-12mm D456S12
4-6mm Glass Bulb Seals Gap 8-12mm..
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Simba Professional Care Guide

Ensure a perfect fit and a lifetime of clarity.

4-6mm Glass Bulb Seals Gap 8-12mm D456S12 Installation Guide - Simba Anti-Mould Shower Seal

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 Quality Management

ISO 9001:2015

Premium quality control ensuring consistent product durability and precision fit.

ISO 14001:2015 Eco-Friendly

ISO 14001:2015

Manufactured with a commitment to environmental responsibility and eco-friendly processes.

SVHC REACH Compliant

SVHC / REACH

Certified non-toxic and safe for domestic use, free from harmful substances.

SIMBA shower screen seal, Premium Clarity. Flawless Fit.

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.