PURsub ® is an abrasion resistant coating which can be coated on most materials. The technique is it is sprayed on top of existing structures in the desired thickness. PURsub ® dries very quickly, and in few minutes, there will be created a dense coating that can be charged shortly. PURsub ® comes under a category which is also called PU skin, because its properties can be compared with polyurethane. PU skin is used to protect soft materials that are subjected to heavy loading. PURsub ® includes for use onto ROV buoyancy blocks (for underwater operations), swimming facilities (swimming pool) and protection of concrete. As PURsub ® will form a PU skin by on the substrate; the possibilities for the application are many.