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Gapseal is a Patent-pending product of The Energy Project which is operated by by Safelincs Ltd

Important Company Information

Safelincs Ltd Registration Number (England & Wales): 4715788
VAT Number: GB 827 6397 88
Dun & Bradstreet D-U-N-S Number: 73-451-4198

Please note that Safelincs is a registered trademark.

Other Products

We also offer a floorboard gap filler which eliminates cold draughts between floorboards. For more information visit www.draughtex.co.uk

Our Customers Love Gapseal

4.5 / 5 Stars

Read reviews from 177 customers who've installed Gapseal to eliminate draughty windows and make their homes warmer.

Buy Gapseal Now

Gapseal 10m Pack

Suitable for 2 - 7mm gaps
Available to order Expected dispatch: 2nd Dec

£13.99 inc VAT

£11.66 ex VAT

Additional Application Tool

Do I need another applicator?
More than 20 in stock Expected dispatch: Today

£2.29 inc VAT

£1.91 ex VAT

Sub Total:

£0.00 inc VAT

£0.00 ex VAT

FREE Economy Delivery

All UK orders are shipped FREE of charge and delivered in 3-5 working days by Hermes as standard.

Please Note: Deliveries to islands and remote locations can take an additional 1-2 days to be delivered.

Express Delivery

Orders delivered in 1-2 days by DHL from £4.50 inc VAT.

Please Note: Deliveries to islands and remote locations can take an additional 1-2 days to be delivered.

Image Gallery

An excellent collection of images showing sash window gaps that have been sealed using Gapseal sash window gap filler.

See Full Image Gallery