KW-200 ext construction waterstop is specially designed for building joints, with excellent waterproof performance and durability. It uses high-quality materials, has excellent weather resistance, corrosion resistance and elasticity, and effectively prevents water penetration. Its internal and external expansion characteristics make it fit the joints tightly to form a reliable waterproof barrier. The width of KW-200 is usually 200mm (customizable), and the length and thickness are determined according to the actual application and waterproofing needs. Overall, this product is a high-performance and reliable waterproofing solution for the construction industry.