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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Double Glazing Seal / Gasket Sample Pack
Misc
£5.08 Inc. VAT£4.23 Ex. VATNot sure which gasket will fit? Order the gasket sample pack. Trying to find a replacement gasket for your window or door can be a bewildering task as there are so many different types of gasket...£5.08 Inc. VAT£4.23 Ex. VAT -
Extrudaseal B338 Bubble Gasket Double Glazing Seal
Extrudaseal
£1.49 Inc. VAT£1.24 Ex. VATExtrudaseal B338 Bubble Gasket - for use on front doors, back doors and opening windows. Sold by the metre. Choose how m£1.49 Inc. VAT£1.24 Ex. VAT -
Extrudaseal B378 Bubble Gasket Double Glazing Seal
Extrudaseal
£1.49 Inc. VAT£1.24 Ex. VATExtrudaseal B378 Bubble Gasket Double Glazing Seal SOLD BY THE METRE Sold by the Metre - your gasket will b£1.49 Inc. VAT£1.24 Ex. VAT -
Extrudaseal B301 Bubble Gasket Double Glazing Seal in BLACK
Extrudaseal
£1.49 Inc. VAT£1.24 Ex. VATExtrudaseal B301 Bubble Gasket Double Glazing Seal in BLACK SOLD BY THE METRE Sold by the metre - your gas£1.49 Inc. VAT£1.24 Ex. VAT -
Extrudaseal B301W Bubble Gasket Double Glazing Seal in WHITE
Extrudaseal
£1.49 Inc. VAT£1.24 Ex. VATExtrudaseal B301W Bubble Gasket Double Glazing Seal in WHITE SOLD BY THE METRE Sold by the metre - your gasket will be£1.49 Inc. VAT£1.24 Ex. VAT -
Extrudaseal B372 Bubble Gasket Double Glazing Seal
Extrudaseal
£1.49 Inc. VAT£1.24 Ex. VATExtrudaseal B372 Bubble Gasket Double Glazing Seal - for use on front doors, back doors and opening windows. Sold By The Metre - we will cut to the length you require£1.49 Inc. VAT£1.24 Ex. VAT -
Extrudaseal B371 Bubble Gasket Double Glazing Seal in BLACK
Extrudaseal
£1.49 Inc. VAT£1.24 Ex. VATExtrudaseal B371 Bubble Gasket Double Glazing Seal in BLACK Sold By The Metre - we will cut to the length you require T£1.49 Inc. VAT£1.24 Ex. VAT -
Extrudaseal B371W Bubble Gasket Double Glazing Seal in WHITE
Extrudaseal
£1.49 Inc. VAT£1.24 Ex. VATExtrudaseal B371W Bubble Gasket Double Glazing Seal in WHITE Sold By The Metre - we will cut to the length you require Also available in BLACK - click here for details£1.49 Inc. VAT£1.24 Ex. VAT -
Extrudaseal Bubble Gasket Double Glazing Seal AB268
Extrudaseal
£1.49 Inc. VAT£1.24 Ex. VATExtrudaseal AB268 Bubble Gasket - for use on front doors, back doors and opening windows. SOLD BY THE METREPlease check your size carefully with the drawing.£1.49 Inc. VAT£1.24 Ex. VAT -
Extrudaseal B339 Bubble Gasket Double Glazing Seal in Black
Extrudaseal
£1.49 Inc. VAT£1.24 Ex. VATExtrudaseal B339 Bubble Gasket - for use on front doors, back doors and opening windows. SOLD BY THE METRE Please check your size careful£1.49 Inc. VAT£1.24 Ex. VAT -
Extrudaseal B339W Bubble Gasket Double Glazing Seal in White
Extrudaseal
£1.49 Inc. VAT£1.24 Ex. VATExtrudaseal B339 Bubble Gasket - for use on front doors, back doors and opening windows. SOLD BY THE METRE Please check your size careful£1.49 Inc. VAT£1.24 Ex. VAT -
Reddiplex R9725 Bubble Gasket Double Glazing Seal in BLACK
Reddiplex
£1.49 Inc. VAT£1.24 Ex. VATReddiplex R9725 Bubble Gasket Double Glazing Seal in BLACK Sold By The Metre£1.49 Inc. VAT£1.24 Ex. VATQty in Cart: 0Quantity:Price:£1.49 Inc. VAT£1.24 Ex. VATSubtotal: