BEST DEALS THIS WEEK

10 Best Sealers For Windows - May 2026

19M consumers helped this year.

Last Updated: 27-05-2026

1

UniBond Indoor Window & Door Frame Sealant, White Acrylic Sealant, Paintable from 1 Hour, 1 x 467g Cartridge

UniBond Indoor Window & Door Frame Sealant, White Acrylic Sealant, Paintable from 1 Hour, 1 x 467g Cartridge

Unibond

9.8

9.8

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2

UniBond Outdoor Window and Door Frame Sealant, Premium Silicone Sealant Suitable for Use on Various Materials*, Waterproof and Weather Resistant, White, 1 x 392g Cartridge

UniBond Outdoor Window and Door Frame Sealant, Premium Silicone Sealant Suitable for Use on Various Materials*, Waterproof and Weather Resistant, White, 1 x 392g Cartridge

Unibond

9.6

9.6

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3

EVO-STIK Window & Door Frame Sealant, Waterproof, Flexible, Overpaintable, Lasts up to 15 Years, Colour: White, Size: 290ml

EVO-STIK Window & Door Frame Sealant, Waterproof, Flexible, Overpaintable, Lasts up to 15 Years, Colour: White, Size: 290ml

EVO-STIK

9.5

9.5

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4

TUFROX 50g White Silicone Sealant – 100% Silicone, waterproof & flexible. Ideal for bathroom, kitchen, shower, windows. Temp resistant -40°C to +280°C. Smooth finish, anti-fungus, no bubbles

TUFROX 50g White Silicone Sealant – 100% Silicone, waterproof & flexible. Ideal for bathroom, kitchen, shower, windows. Temp resistant -40°C to +280°C. Smooth finish, anti-fungus, no bubbles

TUFROX

9.2

9.2

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5

EVO-STIK Frame Silicone Sealant Anthracite - 290ml - Ideal for Door and Window Frames - Highly Waterproof - Permanently Flexible - Lasts up to 25 Years

EVO-STIK Frame Silicone Sealant Anthracite - 290ml - Ideal for Door and Window Frames - Highly Waterproof - Permanently Flexible - Lasts up to 25 Years

EVO-STIK

9.1

9.1

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6

Unibond Outdoor - Window & Door Frame - Brown 392g

Unibond Outdoor - Window & Door Frame - Brown 392g

Unibond

8.8

8.8

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7

BOSTIK Pro-Sealant S41 Multi-Purpose Neutral Cure Silicone Sealant, For Window & Door Frame Joints, Internal & External Use, Colour: White, 310ml

BOSTIK Pro-Sealant S41 Multi-Purpose Neutral Cure Silicone Sealant, For Window & Door Frame Joints, Internal & External Use, Colour: White, 310ml

Bostik

8.6

8.6

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8

EVO-STIK Frame Silicone Sealant Brown - 290ml - Ideal for Door and Window Frames - Highly Waterproof - Permanently Flexible - Lasts up to 25 Years

EVO-STIK Frame Silicone Sealant Brown - 290ml - Ideal for Door and Window Frames - Highly Waterproof - Permanently Flexible - Lasts up to 25 Years

EVO-STIK

8.4

8.4

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9

BOSTIK Pro-Sealant S41 Multi-Purpose Neutral Cure Silicone Sealant, For Window & Door Frame Joints, Internal & External Use, Colour: Anthracite, 310ml

BOSTIK Pro-Sealant S41 Multi-Purpose Neutral Cure Silicone Sealant, For Window & Door Frame Joints, Internal & External Use, Colour: Anthracite, 310ml

Bostik

8.2

8.2

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10

STYX Clear Sealant Waterproof, Window Sealers, Outdoor Sealer for Leaks Concrete Glass Metal, Shower Sealant, Marine Grade, Aquatic Hybrid Adhesive, Caulking, MS Polymer Clear Adhesive, 300ml

STYX Clear Sealant Waterproof, Window Sealers, Outdoor Sealer for Leaks Concrete Glass Metal, Shower Sealant, Marine Grade, Aquatic Hybrid Adhesive, Caulking, MS Polymer Clear Adhesive, 300ml

STYX

8.1

8.1

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