The Promaster Prostop PVC Waterstop IC is a PVC joint seal used to prevent water ingress in concrete structures such as reservoirs, basements, retaining walls, tunnels and swimming pools. It is supplied in 15 m rolls and forms a 0.5 mm dry film, with an approximate consumption of 1 kg per square metre. The product is designed for water‑retaining applications and provides a continuous barrier at construction joints.
