Sika Sikaflex 521 UV - Weathering Resistant Silane Terminated Polymer Adhesive Sealant - Age Resistant - Low Odour - Overpaintable - Black - 300ml
Sika - Sikaflex-521 UV, weather-resistant, adhesive sealant, 300 ml, black (old version - new Sikaflex-522)
Overall Rating: 4.8 / 5 (average from multiple review sources, as of 13 May 2026)
Based on a total of 252 customer reviews from independent review platforms.
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The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
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Based on a total of 252 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
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£9.50
Delivery from £20.20
Sika - Sikaflex-521 UV, weather-resistant, adhesive sealant, 300 ml, black (old version - new Sikaflex-522)
Overall Rating: 2.4 / 5 (average from multiple review sources, as of 9 May 2026)
Based on a total of 47,062 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 47,062 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.
In stock. Express Delivery available with Amazon Prime.
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£11.99
39.97 GBP/1.0 l
Delivery from £4.49
Sikaflex 521 UV – Weathering Resistant Silane Terminated Polymer Adhesive S...
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 8 May 2026)
Based on a total of 22,794 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 22,794 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
Will usually delivered within 1 - 2 working days of receiving cleared payment.
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£16.17
Free Delivery
Sika Sikaflex 521 UV - Weathering Resistant Silane Terminated Polymer Adhesiv
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 8 May 2026)
Based on a total of 22,794 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 22,794 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 2 working days of receiving cleared payment.
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£16.51
Free Delivery
Sika Sikaflex 521 UV - Weathering Resistant Silane Terminated Polymer Adhesiv
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 8 May 2026)
Based on a total of 22,794 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 22,794 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 2 working days of receiving cleared payment.
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PayPal
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£19.20
Free Delivery
Sika Sikaflex 521 UV - Weathering Resistant Silane Terminated Polymer Adhesiv
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 8 May 2026)
Based on a total of 22,794 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 22,794 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 working days of receiving cleared payment.
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PayPal
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£19.27
Free Delivery
Sika Sikaflex 521 UV - Weathering Resistant Silane Terminated Polymer Adhesiv
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 8 May 2026)
Based on a total of 22,794 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 22,794 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 1 - 2 working days of receiving cleared payment.
PayPal
PayPal
Visa
Visa
Mastercard
Mastercard
£20.23
Free Delivery
Sika Sikaflex 521 UV - Weathering Resistant Silane Terminated Polymer Adhesiv
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 8 May 2026)
Based on a total of 22,794 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 22,794 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 2 - 4 working days of receiving cleared payment.
PayPal
PayPal
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Visa
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Mastercard
£20.23
Free Delivery
Sikaflex 521 UV Weather Resistant Adhesive Sealant, Black - 300ml - 521UV BLACK
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 8 May 2026)
Based on a total of 22,794 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 22,794 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 5 - 13 working days of receiving cleared payment.
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PayPal
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Mastercard
£29.79
Free Delivery
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Sika - Sikaflex-521 UV, weather-resistant, adhesive sealant, 300 ml, black (old version - new Sikaflex-522) - Details
▶ Finding you the best price!
We have found 9 prices for Sika - Sikaflex-521 UV, weather-resistant, adhesive sealant, 300 ml, black (old version - new Sikaflex-522). Our price list is completely transparent with the cheapest listed first. Additional delivery costs may apply.
Sika - Sikaflex-521 UV, weather-resistant, adhesive sealant, 300 ml, black (old version - new Sikaflex-522) - Price Information
- Cheapest price: £9.50
- The cheapest price is offered by Amazon-marketplace.co.uk. You can order the product there.
- The price range for the product Sika - Sikaflex-521 UV, weather-resistant, adhesive sealant, 300 ml, black (old version - new Sikaflex-522) is €£9.50to €£29.79 with a total of 9 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.
1 Variants from £11.10
£11.10
Amazon-marketplace.co.uk
Delivery from £20.20
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£11.10
Amazon-marketplace.co.uk
Delivery from £20.20
SIKA Part Circle Print Sikaflex 521 FC Kartus 10-1/4 oz - Clear
£15.29
52.72 GBP/1.0 l
Amazon-marketplace.co.uk
Delivery from £20.20
£10.41
Amazon-marketplace.co.uk
Delivery from £20.20
Sika Sikaflex 521 UV - Weathering Resistant STP Ad
£37.77
onbuy.com
Free Delivery
£12.95
Amazon-marketplace.co.uk
Delivery from £4.49
Cheapest offer
PROFESSIONAL PRODUCT - Designed for use by professional applicators. SUITABLE FOR USE ON MULTIPLE SUBSTRATES - Use it to bond or seal various materials, including timber, metals, metal primers and paint coatings (2-component systems), ceramic materials and plastics. IDEAL FOR INTERNAL AND EXTERNAL USE - Isocyanate and solvent-free black adhesive and sealant ideal for multiple applications. NO SPECIAL PRE-TREATMENTS REQUIRED - Bonds and seals a wide variety of materials with no need for special pre-treatments. LONG LASTING - Sikaflex 521 UV black is age and weathering-resistant, delivering a bond that lasts. HIGH QUALITY FINISH - Both sandable and overpaintable to enable you to create a seamless look whatever the job., Weight: 0.91932763254 Pounds, Manufacturer: Sika
£9.50
In stock
Amazon-marketplace.co.uk
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