Grandseal is a leading supplier of specialty construction chemicals in the Middle East, with over 20 years of experience in the industry. Headquartered in Dubai, the company specializes in waterproofing, sealing, damping, and reinforcing systems, offering innovative solutions for sustainable construction practices. Established in 2000, Grandseal operates as a privately held company with a team of 2–10 employees, focusing on high-performance building materials and advanced construction technologies .

The company provides a wide range of products, including bituminous membranes (GRANDTEX series), cement-based waterproofing (GRANDFLEX 60), and concrete repair solutions (GRANDCRETE MC). These products are designed for durability, flexibility, and environmental safety, making them suitable for critical applications such as foundations, swimming pools, and structural waterproofing . Grandseal emphasizes sustainability and client satisfaction, leveraging real-world simulations to engineer materials that work harmoniously with natural elements like water.