Bubble Gaskets and seals
Bubble gaskets are the go-to choice for sealing UPVC windows and doors, helping to stop draughts, leaks, and rattles dead in their tracks. Whether you're replacing a worn gasket or upgrading to a better fit, this range includes high-quality bubble seals from trusted names like Extrudaseal and Reddiplex.
Not sure which one you need? Order a gasket sample pack to test the fit before buying in bulk.
All profiles are shown true-to-scale, and we stock them in popular finishes including black and white.
Use these gaskets on UPVC windows, doors, conservatories, and more — perfect for installers and keen DIYers alike. Scroll down to view the full range and choose the seal that best matches your profile.
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Gasket Cutters - Multi-function Shears
Misc
£20.98 Inc. VAT£17.48 Ex. VATThese multi-function shears have a multitude of uses but are ideal for cutting all kinds of UPVC window gasket and window trim. Spring loaded heavy duty drop forged blade, Alloy cutting plate with angle guide, Set includes cutting guides for upvc...£20.98 Inc. VAT£17.48 Ex. VAT -
Full Bucket of Extrudaseal B301W Bubble Gasket Double Glazing Seal in WHITE 250 metres
Extrudaseal
£132.00 Inc. VAT£110.00 Ex. VATFull Bucket of 250 metres of Extrudaseal B301W Bubble Gasket Double Glazing Seal in WHITE FULL BUCKET This is for a full bucket of 250m. If you want a shorter length then please visit this page to buy by the metre This gasket is also available in...£132.00 Inc. VAT£110.00 Ex. VAT -
Full Bucket of Extrudaseal B378 Bubble Gasket Double Glazing Seal 200m
Extrudaseal
£99.60 Inc. VAT£83.00 Ex. VATFull Bucket of Extrudaseal B378 Bubble Gasket Double Glazing Seal 200m FULL BUCKET This is for a full spool of 200m. If you want a shorter length then please visit this page to buy by the metre Bubble Gasket Double Glazing Seal for...£99.60 Inc. VAT£83.00 Ex. VAT -
Full Bucket of Extrudaseal B338 Bubble Gasket Double Glazing Seal 225m
Extrudaseal
£110.40 Inc. VAT£92.00 Ex. VATFull Bucket of Extrudaseal B338 Bubble Gasket - for use on front doors, back doors and opening windows 225 metres Full Bucket Please check your size carefully with the drawing. This gasket is only available in black - no other colour is...£110.40 Inc. VAT£92.00 Ex. VAT -
Full Bucket of Extrudaseal B301 Bubble Gasket Double Glazing Seal in BLACK 250m
Extrudaseal
£132.00 Inc. VAT£110.00 Ex. VATFULL BUCKET of Extrudaseal B301 Bubble Gasket Double Glazing Seal in BLACK 250 metres FULL BUCKET This is for a full bucket of 250m. If you want a shorter length then please visit this page to buy by the metre This gasket is also available in...£132.00 Inc. VAT£110.00 Ex. VAT -
Full Spool of Extrudaseal Bubble Gasket Double Glazing Seal AB268
Extrudaseal
£110.40 Inc. VAT£92.00 Ex. VATExtrudaseal AB268 Bubble Gasket - for use on front doors, back doors and opening windows. FULL SPOOL OF 200m Please check your size carefully with the drawing. This gasket is only available in black - no other colour is manufactured. This is for a...£110.40 Inc. VAT£92.00 Ex. VAT -
Full Bucket of Extrudaseal B371 Bubble Gasket Double Glazing Seal in BLACK 225 metres
Extrudaseal
£118.80 Inc. VAT£99.00 Ex. VATFull Bucket of Extrudaseal B371 Bubble Gasket Double Glazing Seal in BLACK - 225 metres FULL BUCKET This is for a full bucket of 225m. If you want a shorter length then please visit this page to buy by the metre This gasket is also...£118.80 Inc. VAT£99.00 Ex. VAT -
Full Bucket of Extrudaseal B339 Bubble Gasket Double Glazing Seal in Black 250 metres
Extrudaseal
£150.00 Inc. VAT£125.00 Ex. VAT250 metres of Extrudaseal B339 Bubble Gasket - for use on front doors, back doors and opening windows. FULL BUCKET Please check your size carefully with the drawing. This gasket is in black - Also available in White, click here for details This...£150.00 Inc. VAT£125.00 Ex. VAT -
Full Bucket of Extrudaseal B339W Bubble Gasket Double Glazing Seal in White 250 metres
Extrudaseal
£150.00 Inc. VAT£125.00 Ex. VAT250 metres of Extrudaseal B339 Bubble Gasket in WHITE - for use on front doors, back doors and opening windows. SOLD BY THE FULL BUCKET Please check your size carefully with the drawing. This gasket is in WHITE- Also available in Black, click here...£150.00 Inc. VAT£125.00 Ex. VAT -
Full Bucket of Extrudaseal B371W Bubble Gasket Double Glazing Seal in WHITE - 225 metres
Extrudaseal
£120.00 Inc. VAT£100.00 Ex. VATExtrudaseal B371W Bubble Gasket Double Glazing Seal in WHITE - Full Bucket of 225m FULL BUCKET This is for a full bucket of 225m. If you want a shorter length then please visit this page to buy by the metre This gasket is also available in White -...£120.00 Inc. VAT£100.00 Ex. VAT -
Full Spool (150 metres) of Extrudaseal B372 Bubble Gasket Double Glazing Seal
Extrudaseal
£180.00 Inc. VAT£150.00 Ex. VAT150 metres of Extrudaseal B372 Bubble Gasket Double Glazing Seal on a spool - for use on front doors, back doors and opening windows. Sold By The Spool of 150m Please check your size carefully with the drawing. This is for a full bucket of 150m...£180.00 Inc. VAT£150.00 Ex. VAT -
Reddiplex R9725 Bubble Gasket Double Glazing Seal in BLACK, Bulk Purchase, 225m
Reddiplex
£118.27 Inc. VAT£98.56 Ex. VATFull Bucket of R9725 Bubble Gasket in BLACK - 225 metres SPECIAL ORDER SPECIAL ORDER - allow approx 1 week for delivery Ideal for contractors who want to carry stock on their van. Reddiplex R9725 Bubble Gasket in BLACK. For use on...£118.27 Inc. VAT£98.56 Ex. VATQty in Cart: 0Quantity:Price:£118.27 Inc. VAT£98.56 Ex. VATSubtotal: