Advertising Disclosure Sikaflex 291 Adhesive And Sealant Comparison - April 2026
6 Best Sikaflex 291 Adhesive And Sealant In the UK
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| 1 Best Choice  9.9Exceptional | 2  9.8Exceptional | 3  9.7Exceptional | 4 9.6Exceptional | 5 Best Value  9.3Excellent | 6 9.0Excellent |
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ModelSika Sikaflex 291i Multifunctional Adhesive Sealant for Marine Applications, White, 300 ml | Model Sika Sikaflex -522 Caravan and Motorhome Adhesive Sealant – Moisture Curing – Weather and Mould Resistant – White – 300ml | Model Sika – Sikaflex 291i – Marine Sealant and Adhesive – Specifically Designed for The Marine Market – Solvent Free – White – 70ml Mini Cartridge | Model Sika – Sikaflex 291i – Marine Sealant and Adhesive – Specifically Designed for The Marine Market – Solvent Free – White – 70ml Mini Cartridge | Model Sika – Sikaflex – 221 Strong Adhesive Sealant – Multi-Purpose Application – Sandable/Paintable – Black – 300ml | Model Sika – Sikaflex – 221 Strong Adhesive Sealant – Multi-Purpose Application – Sandable/Paintable – Black – 300ml |
BrandSika | Brand Sika | Brand Sika | Brand Sika | Brand Sika | Brand Sika |
Reviews | Reviews | Reviews | Reviews | Reviews  | Reviews |
Tech Specs | |||||
color Sika Sikaflex 291i Marine Sealant and Adhesive Specifically Designed For The Marine Market Solvent Free White 300ml Cartridge | color White | color White | color White | color - | color - |
product dimensions 5 x 5 x 21 cm 414 g | product dimensions 4.9 x 4.9 x 22.5 cm; 472 g | product dimensions 5 x 5 x 23 cm 0.44 g | product dimensions 5 x 5 x 23 cm 0.44 g | product dimensions - | product dimensions - |
item weight 414 g | item weight 472 g | item weight 0.44 g | item weight 0.44 g | item weight - | item weight - |
special features solvent-free, low-odor, non-corrosive, vibration-resistant, highly elastic, Wheelmark-approved, suitable for marine applications | special features Free from isocyanate, solvents and phthalates | special features Strong | special features Strong | special features - | special features - |
included components 1 cartridge | included components Adehesive Tube | included components 1x Cartridge | included components 1x Cartridge | included components - | included components - |
item package quantity 1 | item package quantity 1 | item package quantity 1 | item package quantity 1 | item package quantity - | item package quantity - |
size 300 ml | size 300ml | size Colour : White | size Colour : White | size - | size - |
material Metal | material Silane Terminated Polymer | material Polyurethane | material Polyurethane | material - | material - |
batteries required No | batteries required No | batteries required No | batteries required No | batteries required - | batteries required - |
specific uses Professional | specific uses - | specific uses Wood | specific uses Wood | specific uses - | specific uses - |
style 300 ml Cartridge | style - | style 70 ml Mini Tube Does not require an application gun | style 70 ml Mini Tube Does not require an application gun | style - | style - |
Available On | Available On | Available On | Available On | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.9
1Sika16% OffSika Sikaflex 291i Multifunctional Adhesive Sealant for Marine Applications, White, 300 ml
Main highlights- WHEELMARK APPROVED – Accredited by Wheelmark to meet the safe at sea requirements, meaning you can use it on boats in the UK and European Union.
- SAFE FOR INTERNAL APPLICATIONS – Formulated into a solvent-free, low-odour, non-corrosive and very low VOC blend that you can use safely indoors.
- IDEAL FOR PROFESSIONAL BOAT APPLICATIONS – Specifically designed for the marine market to provide vibration-resistant bonds and seals on wood, metal, ceramics, plastics and more.
- HIGHLY ELASTIC – Cures in ambient moisture to a non-sagging finish that flexes with the boat movement and can be overpainted for a seamless finish.
- A CHOICE OF COLOURS – Available in black, white and grey.
-
9.8
2Sika19% Off
Sika Sikaflex -522 Caravan and Motorhome Adhesive Sealant – Moisture Curing – Weather and Mould Resistant – White – 300ml
Why we love it
All
in
one sealant and adhesive
Main highlights- THE CHOICE FOR CARAVAN AND MOTORHOME PROFESSIONAL REPAIRS – Silicone and solvent-free formula that cures to an impressive age, UV and weather-resistant finish.
- SUITABLE FOR INTERIOR AND EXTERIOR USE – Caravan sealant ideal for elastic sealing and bonding with substrates such as timber, glass, metals, ceramics, plastics, painted surfaces, and more.
- IMPROVED COLOUR STABILITY – White sealant designed to resist the impact of UV rays and any associated discolouration.
- CONTAINS HIGH FUNGICIDAL INGREDIENTS – Sikaflex -522 is suitable for areas where ventilation and air-conditioning are in place, and high hygiene is required to maintain healthy atmospheres preventing mould growth
- .MEETS HYGIENE AND FOOD SAFETY REQUIREMENTS – Certified by ISEGA for use in areas where foodstuffs are prepared.
-
9.7
3Sika
Sika – Sikaflex 291i – Marine Sealant and Adhesive – Specifically Designed for The Marine Market – Solvent Free – White – 70ml Mini Cartridge
Main highlights- SPECIFICALLY DESIGNED FOR THE MARINE MARKET – Highly flexible adhesive and sealant suited for most internal boat sealing applications.
- PROVIDES PROFESSIONAL-GRADE RESISTANCE – Resistant to fresh water, sea water, limewater, sewage effluent diluted acids and much more, providing suitability for repairs and maintenance on boats and marine vehicles.
- MULTIPURPOSE – Use it as a sealant or adhesive on wood, metal, ceramics, plastics and more for high grab adhesion and seals.
- MULTIPLE COLOURS AVAILABLE – Choose from black, white or grey to suit your space, or over-paint it when dry.
- HIGHLY ELASTIC – This moisture-curing, non-sag 1-component polyurethane sealant and adhesive is highly flexible and works well in areas prone to strong vibrations.
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Value for money
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Value for money
topchoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
