K11 One part Polyurethane Sealant is a premium quality one component low modulus sealant designed to replace conventional one part Polysulphide sealants in most applications. The product remains permanently flexible to accommodate joint movement (25%) & adheres to most building surfaces. such as concrete, ceramics, wood, metal, u PVC etc. K11 Polyurethane Sealant is fast curing (3mm/day), can be overpainted when cured (if required) & is highly durable with excellent weathering properties and