Soudal Silirub 2 is a Premium Low Modulus Neutral Cure, 100% Pure Silicone Sealant which can be used for a wide range of sealing applications in the building and glazing industry. Regarded as one of the best Silicone Sealants on the market, Silirub 2 has primerless adhesion on all common construction materials including glass, PVC, plastics, masonry substrates, metals and wood. Virtually odourless, fast skinning and final cure, 100% silicone so no shrinkage. Thick bodied and toolable.