What is a Sealant? Sealant is basicly an insulating and grouting material. They can have ±25% movement capability. The flexibility ratio can be further increased as required. It is used for sealing, filling gaps, keeping water and air away from joints, absorbing the natural movements of building materials and increasing aesthetics. Silicone and polyurethane are two popular sealant types. Despite their common characteristics, there are significant differences between them. ....Read More