Advertising Disclosure Unibond Outdoor Extreme Repair Sealant Comparison - August 2025
5 Best Unibond Outdoor Extreme Repair Sealant In the UK
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
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| 1 Best Choice  9.8Exceptional | 2  9.7Exceptional | 3  9.5Excellent | 4  9.4Excellent | 5  9.3Excellent |
| View DealOn Amazon | View DealOn Amazon | View DealOn Amazon | View DealOn Amazon | View DealOn Amazon |
ModelUniBond 2078170 Outdoor Window and Door Frame Sealant, White Outdoor Sealant, Durable Weatherproof Door and Window Sealant, Cartridge | Model Sika Stixall – Extreme Power Sealant And Adhesive – Waterproof – Black – 290ml | Model Unibond Outdoor Extreme Repair - Translucent 294g | Model UniBond 2079110 Roof & Gutter Sealant, Long-Lasting Butyl Sealant for Roofing Applications, Waterproof Sealant for Outdoor Use, Flexible & Durable Roof Sealant, 1x504g Cartridge, Black | Model EVO-STIK Multipurpose Silicone Sealant, Waterproof + Mould Resistant, for Interior and Exterior Use, Colour: Clear |
BrandUnibond | Brand Sika | Brand Unibond | Brand Unibond | Brand EVO-STIK |
Reviews | Reviews | Reviews  | Reviews | Reviews |
Tech Specs | ||||
product dimensions 5 x 5 x 23 cm 392 g | product dimensions 4.9 x 4.9 x 23 cm 240.4 g | product dimensions 5 x 5 x 23 cm 294 g | product dimensions - | product dimensions 23.6 x 7 x 2.8 cm 316 g |
color White | color Black | color Translucent | color Black | color Clear |
item weight 392 g | item weight 240 g | item weight 294 g | item weight - | item weight - |
batteries included No | batteries included No | batteries included No | batteries included - | batteries included No |
item package quantity 1 | item package quantity 1 | item package quantity 1 | item package quantity - | item package quantity - |
material Silicone, Metal | material Silicone | material Plastic | material - | material - |
customer reviews4.5 4.5 out of 5 stars 1, 738 ratings 4.5 out of 5 stars | customer reviews 4.5 4.5 out of 5 stars 10, 796 ratings 4.5 out of 5 stars | customer reviews 4.4 4.4 out of 5 stars 269 ratings 4.4 out of 5 stars | customer reviews - | customer reviews 4.4 4.4 out of 5 stars 162 ratings 4.4 out of 5 stars |
style White | style Single | style Compact | style - | style - |
batteries required No | batteries required No | batteries required No | batteries required - | batteries required No |
measurement system Metric | measurement system - | measurement system Metric | measurement system - | measurement system - |
included components UniBond Outdoor Window & Door Frame Sealant Cartridge - White | included components 1 x Sealant and Adhesive Tube | included components - | included components - | included components - |
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
9.8
1Unibond18% OffUniBond 2078170 Outdoor Window and Door Frame Sealant, White Outdoor Sealant, Durable Weatherproof Door and Window Sealant, Cartridge
Why we love it
Flexible Durable
Multi materials
Waterproof Long lasting
Main highlights- Permanently flexible – Our Unibond waterproof sealant Provides a durable flexible perimeter seal for exterior window and door frames, protecting you from the elements
- Package contents – UniBond Outdoor Window and Door Frame Sealant, weather-resistant silicone sealant, flexible and long-lasting waterproof sealant, white, Cartridge
- Multi materials – This durable adhesive sealant can be used on various materials such as wood, uPVC, polycarbonate, and metal - suitable for most window and door frames
- Long lasting – as long as you follow the instructions for use, this exterior sealant will stand the test of time, giving you peace of mind when doing outdoor sealing jobs
- Flexible and waterproof – As well as providing strong and flexible sealing, this window frame sealant is also waterproof, so it can stand up to harsh weather conditions
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9.7
2Sika
Sika Stixall – Extreme Power Sealant And Adhesive – Waterproof – Black – 290ml
Why we love it
Strong initial grab with no sagging.
Bonds diverse materials, even underwater.
Quick curing time for efficient application.
Main highlights- VERSATILE – Has incredible high-grab adhesion to a wide range of materials, including glass, metals, plastic, concrete, wood, and so much more – it bonds even underwater or in the rain.
- PROFESSIONAL FINISH – This quick-curing mix develops a skin in only 10 minutes and is paintable once completely dry with water-based paints for a high-quality finish to your DIY projects.
- MULTIPLE COLOURS – Available in Black, Brown, Anthracite, White, Crystal Clear and Grey
- LONG-LASTING – This completely waterproof adhesive and sealant is resistant to temperature extremes between -40°C and +100°C, as well as a range of chemicals once fully cured, meaning it can be considered for durable applications.
- IDEAL FOR INTERIOR AND EXTERIOR USE DEPENDING ON THE APPLICATION – Resistant to weather, water, temperature and chemicals, you can use this as an adhesive inside and out plus as an interior sealant. (NOTE: Crystal Clear colour is not suitable for exterior use)
- HIGH-PERFORMANCE – Crafted using hybrid polymer technology, it has incredible initial grab strength, zero sagging and fills gaps with ease.
- EASY TO APPLY – Insert the cartridge into your caulking gun, snip the tip and apply as needed to your chosen materials.
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9.5
3Unibond
Unibond Outdoor Extreme Repair - Translucent 294g
Why we love it
Weatherproof and long-lasting.
Adheres to wet surfaces.
Shock-resistant polymer technology.
Main highlights- Wet surface adhesion - When fully cured, this polymeric sealant is highly resilient and it provides stronger adhesion to a wide range of damp and wet surfaces than silicone sealants
- Polymer technology - Thanks to unique technology, the joint filler is impact and shock-resistant for the toughest repair jobs, and will not shrink over time
- Durable - This waterproof and weather-resistant joint sealant cures in approximately 24 hours. Suitable for indoor and outdoor use achieving long-lasting results
- Bonding & Sealing - This premium polymer-based sealant is suitable for bonding and sealing joints indoors and outdoors. Ideal for windows, doors, and facades
Our ranking system
The TopChoice.co.uk Team selects top-of-the-line items from a wide selection and conducts rigorous evaluations on almost all the products available on the internet. We rank each product based on how well it matches our criteria.We can ensure that the product is well-tested with the help of our expertise, experts, and artificial intelligence technology. TopChoice.co.uk requires consistent care for the products we review, ensuring that our assessments are always accurate and up to date.
Features
Our team of experts analyzes key attributes, capabilities, significance, and many more depending on the type of product to determine its effectiveness.
Consumer Reviews
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Popularity
Popularity is an important criterion in choosing a product. Several factors contribute to the popularity of the products on our site, including prestige, relevance, reputation, news, and more.
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.
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.
