Sika Sikaflex 521UV Weathering Resistant Silane Terminated Polymer (STP) Adhesive Sealant, Light Grey, 300 ml

Description

🔗 Seal your projects with confidence—where durability meets versatility!

Sika Sikaflex 521UV is a professional-grade, weathering-resistant silane terminated polymer adhesive sealant in light grey, designed for both internal and external use. It bonds strongly to a wide range of substrates including metals, timber, ceramics, and plastics without special pre-treatment. This 300 ml, isocyanate- and solvent-free sealant offers easy application via caulk gun, making it the go-to solution for durable, multipurpose sealing and bonding.