Sikaflex -1A

Sikaflex®-1a is a premium-grade, high performance, moisture-cured, one-component, polyurethane-based, non-sag elastomeric sealant. Designed for all types of joints with maximum depth of 13 mm (1/2 in) and a maximum expansion of 35%. 

Ideal for: Weatherproofing of joints between brickwork, blockwork, masonry, wood and concrete or metal frames; joints in walls, floors, balconies, around window or door frames: expansion joints; roofing applications.