Sikaflex 521 Uv New White Sealant 300 Ml Cartridge Sikaflex 521B310
Sika Flex 521 UV, White, Polyurethane Hybrid Multi-Purpose Sealant, Adhesive Sealant for Sealing and Elastic Joints, Weatherproof, 300 ml
Overall Rating: 4.8 / 5 (average from multiple review sources, as of 11 Aug 2026)
Based on a total of 80,524 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 80,524 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Cheapest Price
In stock
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£11.73
Delivery from £20.20
Sika Flex 521 UV, White, Polyurethane Hybrid Multi-Purpose Sealant, Adhesive Sealant for Sealing and Elastic Joints, Weatherproof, 300 ml
Overall Rating: 4.8 / 5 (average from multiple review sources, as of 11 Aug 2026)
Based on a total of 80,524 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 80,524 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Cheapest Total Price
In stock. Express Delivery available with Amazon Prime.
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£17.39
57.97 GBP/1.0 l
Delivery from £4.49
Sikaflex 521 UV Weather Resistant Adhesive Sealant, White - 300ml - 521UV WHITE
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 6 Aug 2026)
Based on a total of 24,333 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 24,333 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Will usually delivered within 3 - 7 working days of receiving cleared payment.
PayPal
PayPal
Visa
Visa
Mastercard
Mastercard
£29.09
Free Delivery
Cheapest offer
Solvent-free, silicone-free and PVC-free sealant and adhesive SUSTAINABILITY: Weather and aging resistant SUPPORTS: Adheres to a variety of substrates such as wood, metals, primed and painted metals (bicomponent systems), ceramic materials and plastics Can be painted and can be sanded Elastic and high electrical resistance; It is used by experienced professionals
£11.73
In stock
Amazon-marketplace.co.uk
🤖 Ask ChatGPT
💡 Is it worth the price?
🔁 Better alternatives?
⭐ What do users say?
Sika Flex 521 UV, White, Polyurethane Hybrid Multi-Purpose Sealant, Adhesive Sealant for Sealing and Elastic Joints, Weatherproof, 300 ml - Details
▶ Finding you the best price!
We have found 3 prices for Sika Flex 521 UV, White, Polyurethane Hybrid Multi-Purpose Sealant, Adhesive Sealant for Sealing and Elastic Joints, Weatherproof, 300 ml. Our price list is completely transparent with the cheapest listed first. Additional delivery costs may apply.
Sika Flex 521 UV, White, Polyurethane Hybrid Multi-Purpose Sealant, Adhesive Sealant for Sealing and Elastic Joints, Weatherproof, 300 ml - Price Information
- Cheapest price: £11.73
- The cheapest price is offered by Amazon-marketplace.co.uk. You can order the product there.
- The price range for the product Sika Flex 521 UV, White, Polyurethane Hybrid Multi-Purpose Sealant, Adhesive Sealant for Sealing and Elastic Joints, Weatherproof, 300 ml is €£11.73to €£29.09 with a total of 3 offers.
- Payment methods: The online shop Amazon-marketplace.co.uk supports: Direct debit, Visa, Mastercard
- Delivery: The shortest delivery time is In stock working days offered by Amazon-marketplace.co.uk.
Similar products
Sika Sikaflex 521 UV - Weathering Resistant STP Adhesive Sealant - Multipurpose - Low Odour - Age And Weather Resistant - Light Grey - 300ml
£11.84
Amazon-marketplace.co.uk
Delivery from £20.20
Sika Sikaflex 521 UV - Weathering Resistant Silane Terminated Polymer Adhesive Sealant - Age Resistant - Low Odour - Overpaintable - Black - 300ml
£11.39
Amazon-marketplace.co.uk
Delivery from £20.20
3 x Sikaflex 521 UV Black 300 ml Polyurethane Hybrid Sealant
£30.22
33.58 GBP/1.0 l
Amazon-marketplace.co.uk
Delivery from £20.20
Sikaflex 521-UV Hybrid Sealant for Caravan Sealant 300 ml White Pack of 3
£30.86
34.29 GBP/1.0 l
Amazon-marketplace.co.uk
Delivery from £20.20
Polyurethane Hybrid Sealant Flex 521 UV White 300 ml for Indoor and Outdoor Use
£23.95
ebay.co.uk
Free Delivery
User reviews
Don't forget your voucher code:
Report Illegal Concerns
You are about to report a violation based on the EU Digital Services Act (DSA).