window sealant exterior comparison - September 2026

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Last updated on 06.09.2026

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UniBond Outdoor Window & Door Frame Sealant, White, 1 x 392 g | Premium Silicone Sealant, Waterproof and Weather Resistant, Suitable for Various Materials, Cartridge Format

Unibond

free shipping

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9,9

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Polar Leak Fix Waterproof Sealant Spray, 400ml, Clear | Rubberised Waterproof Sealant Spray, Roof, Gutter and Pipe Repair, Crack Filler, Interior and Exterior, Weatherproof

Polar Specialist Coatings

free shipping

To the product (1 offer)

9,8

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EVO-STIK Window & Door Frame Sealant White - 290ml -Waterproof & Flexible | Overpaintable - Lasts up to 15 Years

EVO-STIK

free shipping

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9,8

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Clear Silicone Sealant (No Gun Required) Flexible & Waterproof Sealant | Ideal for Wood, Countertop, Moulding, Parquet, Bathroom, Sink, Windows (50ml)

professional soma fix

13% off

free shipping

To the product (2 offers)

9,7

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Gorilla Waterproof Coat & Seal Clear, 473ml - Weatherproof Liquid Sealant | Stops & Prevents Leaks | For Roof Tiles, Brick, Wood, Metal, Concrete, Stone, Rubber, Plastics*

GORILLA

free shipping

To the product (1 offer)

9,6

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Silicone Sealant | Clear Silicone Sealant with Finishing Tool For a Smooth & Professional Finish | Waterproof & Anti-Mould Protection

ADVANCEDSIL

9% off

free shipping

To the product (1 offer)

9,6

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Deuvuo Transparent Waterproof Coating Agent, Anti-leakage Invisible Sealant for Bathroom, Kitchen, Garden, Roofs, Walls - Insulation Polyurethane (300g)

deuvuo

14% off

free shipping

To the product (1 offer)

9,6

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BONDIFY Window Frame Sealant White Paintable Silicone Sealant Acrylic 500g | 3PCs Waterproof SOLVENT-FREE Paintable Acrylic Sealant, White Mastic for Filling Cracks, Gaps, Bathroom, Kitchen, Door, UPVC

BONDIFY

free shipping

To the product (1 offer)

9,6

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Hupeyna Liquid Waterproof Sealant, Invisible Waterproof Agent 35 Ounces | Transparent Repairing Leak Waterproof Glue, Indoor & Outdoor Waterproof Coating

Hupeyna

free shipping

To the product (1 offer)

9,6

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Hemway Construction Anthracite Grey Sealant & Adhesive 300ml - 1 Pack | All-In-One Hybrid Polymer, Superior to Silicone Sealant, Waterproof, Odourless, Anti-Mould, Paintable, for Indoor & Outdoor

Hemway

free shipping

To the product (4 offers)

9,5

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OB1 Anthracite Multi-Surface Sealant & Adhesive, 290ml 2in1 formula | Hybrid Technology, Excellent Chemical Resistance, Water & Weather Resistant

OB1

£ 8.38 free shipping

To the product (10 offers)

Clear Waterproof Sealant Super Strong Anti-Leakage For Indoor Outdoor | Waterproof Coat Sealer Agent For Roof,Bathroom, Tiles, Wood,Patio Grout Sealer, Concrete,Glass,Stone,Rubber,Plastic,300g

ROUJAENIN

£ 10.99 free shipping

To the product (1 offer)

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

STYX

£ 12.99 free shipping

To the product (1 offer)

Soudal Trade Exterior Interior Window Door Frame Silicone Sealant Cartridge Sealing Tube Low Modulus Neutral Cure 270ml (Brilliant White)

Super strong

£ 7.58 free shipping

To the product (1 offer)

3-in-1 Silicone Caulking Tool, Sealant Remover & Finishing Tool for Home | Durable stainless head, Silicone remover Tool for caulk cleaning, shaping and repair on sinks, windows and floors

ORHOMELIFE

£ 9.34 free shipping

To the product (1 offer)

MyPond MS300 Marine Sealant Clear, MS Polymer, 300ml | Window Sealer, Pond Sealer for Leaks, Concrete Glass Metal, 4x Stronger than Aquarium Silicone Caulking, Pond Liner Adhesive

MyPond

£ 16.99 free shipping

To the product (1 offer)

JENOLITE Stop Leak Sealer Spray 400mL Roof/Gutter Sealant Waterproof Spray | Long Lasting Waterproof Sealant Spray for Gutters, Flat Roofs, Sheds, Caravans & Drain Pipes - Fills, Seals & Stops Leaks

JENOLITE

£ 12.99 free shipping

To the product (3 offers)

WYCOON Invisible Waterproof Sealant 1KG, Transparent Liquid Sealant for Leak Repair, Waterproof Adhesive Coating for Indoor & Outdoor Use, Roof, Bathroom, Shower

WYCOON

£ 19.79 free shipping

To the product (1 offer)

CT1 - Building Sealant & Adhesive Snag Tube for Virtually Any Material (Clear Twin Pack)

CT1

£ 24.75 free shipping

To the product (3 offers)

V-Tech VT-131 Quality Auto Sealer Silicone Adhesive Sealant: 75gm Windscreen

Hasbro

£ 6.95 free shipping

To the product (4 offers)

Frame Sealant White 300ml – Pack of 2 | Flexible Weatherproof Sealant for Window & Door Frames | Interior & Exterior Gap Sealing

AXpower Inspirational Technology Empowering People

£ 8.95 free shipping

To the product (1 offer)

XFasten Silicone Sealant Waterproof Black Cartridge, 10.1 oz (Single Pack) Black Caulking Silicone Adhesive Sealant Cartridge for RV, General Use, Window, Door, Glass, Automotive Leak Sealing

XFasten

£ 12.99 free shipping

To the product (1 offer)

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