SikaFlex self-levelling sealant is a high-performance, self-levelling polyurethane sealant Which does an excellent job in the sealing of horizontal movement joints in concrete and cementitious substrates. It is easy-to-use. There is no mixing required. This product is self-levelling for very fast placement of product and perfect finish. It retains permanent elasticity and high durability (Â±25% joint movement). The service temperature ranges between – 40 to 77ÂºC (-40 to 170ÂºF) and one cartridge will yield approximately 3.72 lineal metres (12.2 lin. ft) applying a bead of 13 mm (1/2 in) wide by 6 mm (1/4 in) deep.