Sikaflex® Construction Sealant | SIKA
Sikaflex® Construction Sealant. A multi-purpose construction sealant used to seal joints and gaps in walls, floors, balconies, and around window and door perimeters. This moisture-cured, one component, polyurethane-based sealant meets Federal specification TT-S-00230C, Type II. Meets ASTM C-920, Type S, Grade NS, Class 25.