Waterproofing has many different levels of difficulty. Water situations with standing water for 24/7, is the most difficult level of waterproofing. Liquid Rubber SprayGrade is one of the few products that is suitable to seal fish ponds with a 24/7 standing water situation. Liquid Rubber products are fully environmentally and free of VOC’s and toxics. That is why Liquid Rubber does not harm the fish or plants. Liquid Rubber SprayGrade can be used as a final waterproofing sealant in fishponds. It ensures a fully seamless membrane in for instance concrete ponds, weathering steel, plastic ponds and many more.