Bostik Rito Waterstop is a high‑performance, multi‑purpose MS polymer–based waterproofing liquid designed for effective sealing and protection of roofs, walls, and structural surfaces. It requires no primer and is easy to apply, forming a flexible, durable waterproof coating. Capable of bridging cracks up to 5 mm and filling joints or voids up to 10 mm, it is ideal for a wide range of construction and repair applications.

• Versatile waterproofing liquid
• Contains no solvent or bitumen
• Seals & protects even in the wet