Description
🔧 Seal smart, last long—join the pros who never compromise!
- UNIVERSAL BONDING - Strong adhesion to most materials without primer—speed up your workflow.
- DYNAMIC FLEXIBILITY - Accommodates joint movement up to ±35%, ensuring crack-proof durability.
- MULTI SURFACE MASTERY - Perfect for windows, doors, roofing, and more—seal like a pro everywhere.
- ALL WEATHER PERFORMANCE - Resists aging and weathering for reliable seals in any climate.
- EFFORTLESS INSTALLATION - Compatible with any standard sausage caulking gun—no extra tools needed.
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.
