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Large Bubble Shower Door Seal for 4–6mm Glass Up to 11mm Gap D456S12

£14.88
£21.00 £14.88
Sold out
-29%
Taxes included. Shipping calculated at checkout.
Total Length: 950mm
Gap: Seal 12mm

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Description

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Technical Specifications

Catalog No.
D456S12
Glass Thickness
4mm / 5mm / 6mm
Maximum Gap Suitable
Up to 11mm
Bubble Width
12mm
Length
950mm / 2000mm — Easy to Trim to Size
Material
Clear PVC with soft bubble seal
Pack Quantity
Single / 1 piece
Installation
Push-fit, cut-to-size
✓ Free UK Mainland Delivery | ✓ Price Includes VAT | ✓ 10-Month Warranty

Check Before You Buy

This seal is suitable if:

  • Your glass is 4mm, 5mm or 6mm thick.
  • Your gap is 11mm or smaller.
  • You need a soft bubble seal to cushion impact, reduce rattling and help close the gap between shower door edges.
  • You are sealing a vertical gap between glass and glass, glass and wall, or glass and a shower door frame.
  • You need a seal for a sliding shower door side edge.
  • Your gap is slightly uneven or not perfectly straight.
  • Your required length does not exceed the selected seal length and can be trimmed to size.

Choose another seal if:

  • Your glass is thicker than 6mm.
  • Your gap is larger than 11mm.
  • You need a magnetic closing seal.
  • You need a dedicated bottom water deflector, drip seal or sweep seal.
  • Your shower door has a thick metal frame or edge trim that prevents push-fit installation.

Browse our full vertical shower door seals range to compare all sizes.

Suitable Applications & Installation Tips

The D456S12 clear shower door bubble seal is designed for 4mm, 5mm and 6mm glass where a soft compression seal is needed for gaps up to 11mm.

The 12mm bubble is designed to compress, making it suitable for gaps up to 11mm.

It is especially useful on sliding shower doors and vertical shower door edges, including glass-to-glass, glass-to-wall and glass-to-frame gaps. The 12mm soft bubble compresses against the closing surface to help cushion impact and provide a close seal without normally affecting smooth door opening or closing.

This seal is also suitable for slightly uneven vertical gaps, as the flexible bubble can adapt to minor variations along the edge.

Although it may be used at the bottom of a shower door in some cases, it is mainly recommended for vertical use. It is not designed as a dedicated bottom water deflector. For bottom sealing, a bottom shower door seal or drip seal is usually a better choice.

For best results, start fitting the seal from the bottom of the glass panel. Hook one corner of the seal onto the glass edge first, then gradually push it onto the glass little by little along the edge. Do not start from the middle of the glass edge, as this can make the seal difficult to fit.

Looking for a different specification?

For small gaps of 4–7mm, view D456S7 Vertical Bubble Seal.

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
Large bubble vertical shower seal for 4–6mm glass shower doors, sealing gaps up to 11mm
Large Bubble Shower Door Seal for..
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Care & Installation Tips

Ensure a better fit and longer-lasting clarity.

Large Bubble Shower Door Seal for 4–6mm Glass Up to 11mm Gap 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.

Not sure which seal you need?

Send us a photo of your shower door edge and gap — we’ll help you find the right fit.

Certified Quality: ISO 9001 | ISO 14001 | REACH compliant +

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.

Have feedback on this seal? Tell us — we use customer input to improve future SIMBA designs.