10 bestExterior Caulksof April 2025
112M consumers helped this year.
8% off
1

Everbuild Stixall – Extreme Power Sealant And Adhesive – Waterproof – Grey – 290ml
Everbuild

9.8
24% off
2

Sika Sikaflex-522 Caravan And Motorhome Adhesive Sealant – Weather And Mould Resistant – White – 300ml
Sika

9.6
3

EVO-STIK Multipurpose Silicone Sealant, Waterproof + Mould Resistant, for Interior and Exterior Use, Colour: Clear
EVO-STIK

9.3
27% off
4

Gorilla 1144110 All Conditions Sealant Silicone Clear 295ml
Gorilla

9.1
5

UniBond Outdoor Extreme Repair Sealant, Polymer Based Outdoor Sealant Suitable for Use on Various Materials*, Weather Resistant and Waterproof Sealant, Translucent, 1 x 294g Cartridge
Unibond

8.8
OtherUp to 10% off
6

Haltons Expanding Foam Filler | Ready To Use | No Tools Required | Waterproof Caulk Spray Sealant for Walls, Cracks, Gaps, Holes in Brick, Wood, Metal | Strong & Reliable Repair Indoor & Outdoor (2pk)
Haltons

8.5
31% off
7

UniBond Outdoor Extreme Repair Sealant, Polymer Based Outdoor Sealant Ideal for Window and Door Frames, Weather Resistant and Waterproof Sealant, White, 1 x 392g Cartridge
Unibond

8.2
8

Everbuild Everflex Roof and Gutter Sealant – Butyl-Based Sealant and Adhesive for Roofing – Excellent Weathering Properties – Black – 295 ml
Everbuild

7.9
9

Everbuild General Purpose Silicone Sealant – Waterproof – Suitable for Interior and Exterior Use – White – 280ml
Everbuild

7.6
10

Everbuild Everflex 450 Premium+ Builders Silicone Sealant – Waterproof Seal – Suits Most Building Materials – Internal and External Use – Grey – 300ml
Everbuild

7.3

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