Enduracoat Tankguard WW ENDURACOAT TANKGUARD WW is a 100% solids polyurethane elastomeric spray lining system. ENDURACOAT TANKGUARD WW has been developed primarily for the protection of concrete and steel in erosive and corrosive environments. It is particularly suited as a lining in water and waste water applications but can also be used as a stabilising coating with or without the use of geotextile reinforcement. As a secondary containment lining material it can also be used with or without a geotextile fabric. ENDURACOAT TANKGUARD WW is particularly suited to the repair of old, eroded concrete structures to create a repairable protection layer and stop concrete loss.