🔧 Seal smart, last long—join the pros who never compromise!
SIKA Sikaflex 1a is a one-component, elastomeric polyurethane sealant designed for vertical and horizontal concrete and masonry joints. It offers easy application with standard tools, strong adhesion without primer, ±35% joint movement flexibility, and excellent weather resistance, making it ideal for diverse construction sealing needs.
Trustpilot
4 days ago
1 month ago
3 days ago
2 weeks ago