Servijoint One DW is a cold-applied, one part polyurethane sealant developed for critical joints in reservoirs containing potable water and is UK Water Byelaws Scheme listed. Servijoint One DW provides a durable, damage resistant surface sealant to protect steel reinforcement in concrete structures from corrosion. Servijoint One DW is also suitable for factory floors, culverts, spillways and car park decks.