Sika Sikaflex 521 UV – Weathering Resistant Silane Terminated Polymer Adhesive Sealant – Age Resistant – Low Odour – Overpaintable – Black – 300ml

Description

🔧 Seal it like a pro, last like a legend!

Sika Sikaflex 521 UV is a 300ml silane-terminated polymer adhesive sealant designed for professional use. It bonds and seals multiple substrates including timber, metals, ceramics, and plastics without special pre-treatment. Its weather and age-resistant formula ensures durability indoors and outdoors. The product is low odour, isocyanate and solvent-free, and offers a high-quality finish that is sandable and overpaintable, making it ideal for seamless, long-lasting repairs and installations.