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...£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£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£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£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£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 caref£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£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£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 P£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 th£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£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 a£118.27 Inc. VAT£98.56 Ex. VATQty in Cart: 0Quantity:Price:£118.27 Inc. VAT£98.56 Ex. VATSubtotal: