Koster MS Joint Sealant

Koster MS Joint Sealant is a high-performance waterproofing solution. This highly elastic MS polymer-based waterproofing material with excellent elasticity, is characterised by high UV and weather resistance and excellent adhesion to various interior and exterior building materials. Koster MS Joint Sealant exhibits superior characteristics, being fast-curing and highly elastic. This one-component product is UV-resistant, ensuring durability even under extreme application conditions. Notably, it is VOC-free and environmentally friendly, demonstrating commitment to sustainability. Koster MS Joint Sealant combines the positive properties of silicone and polyurethane sealants without their characteristic weaknesses. It is free of silicone, solvents, and isocyanates.