Extrudaseal

Extrudaseal B339 Bubble Gasket Double Glazing Seal in Black

(5 reviews) Write a Review
SKU:
GASK-B339-Black
UPC:
GASK-B339-Black
MPN:
GASK-B339-Black
Condition:
New
Availability:
In Stock
  • Extrudaseal B339 Bubble Gasket Double Glazing Seal in Black
  • Extrudaseal B339 Bubble Gasket Double Glazing Seal in Black
  • Extrudaseal B339 Bubble Gasket Double Glazing Seal in Black Tech
£1.49 Inc. VAT
£1.24 Ex. VAT
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Description

Extrudaseal B339 Bubble Gasket - for use on front doors, back doors and opening windows.

SOLD BY THE METRE

Please check your size carefully with the drawing.

  • This gasket is in black - Also available in White, click here for details
  • SOLD BY THE METRE

Bubble Gasket is used on a window or door to create a good compression seal when it closes - it goes between the opening part and the frame so that when the window / door is closed the gasket squashes helping the window/door to fit nice and snuggly.

What is the difference between a flipper gasket and a bubble gasket? Between all the different flipper or bubble gaskets the differences are simply shape and size - they both do the same basic job and cut down on draughts and cold spots. If you cannot see an identical gasket on our site then try the sample pack - many customer find that by trying the different gaskets in their window frames that they find a gasket suitable for the job.

PLEASE NOTE:

As gasket is custom cut to the individual requirements we cannot accept returns. If you are unsure which gasket you need then please use our gasket sample pack:  

Click here for sample pack

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F.A.Q

Frequently Asked Questions

You should order per meter and we will cut to length for you. As it is cut to length we cannot accept returns. If you are not sure which gasket you need then maybe try the sample pack first.

Gasket can deteriorate and shrink over time so unfortunately we can’t identify your gasket this way. We recommend purchasing our gasket sample pack to see which gasket fits in your frame the best.

It is possible that a different gasket may work in your groove. Therefore, we have the sample pack, so you can try them and see what fits.

Generally by pushing bit by bit with your thumbs. With some of the chunkier gaskets such as wedge gaskets it can be done a bit easier with a gasket roller.

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Additional Information

Style:
Bubble Gasket
Colour:
Black
Pack Size:
Sold By The Metre
Comment:
Sold By The Metre
Shipping:
Delivered from just 88p
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5 Reviews

  • 5

    B339 bubble gasket Double glazing seal

    Posted by Isaac Adam on Jun 28, 2025

    After receiving my sample kit I was able to choose the right gasket Buble seal for my rear door. Delivery was swift. The seal seems of good quality and fitted my door perfectly. Easy to work with and the corner joints were glued with super glue. All joints were measured, mitre cut at 45 degrees and glued prior to being fitted. I hosed the door and found no leakes. I can now order the rest of the seals needed to do the entire house, doors and windows. Note: from past experience, I prefer to use black seals. The reason being that black seems to fair much better than white against UV light.

  • 5

    Door seal

    Posted by Jon on Jun 23, 2025

    Very useful sample pack purchased first to ensure correct seal ordered. Prompt delivery of seal required. Excellent service. Job done.

  • 5

    Window seals

    Posted by Arthur Smith on Feb 02, 2025

    Did the job I wanted.

  • 5

    Bubble gasket

    Posted by Steve Pearce on Oct 31, 2024

    Good product and easy to fit. Has made a great difference to the windows, changed both the frame and sash window gasket and the difference in eliminating the draughts and the sound has been most noticeable, for the better

  • 5

    Window rubber

    Posted by John Freestone on Jan 29, 2024

    Excellent product and very good price

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