Can Sto Watertight Coat be used for Potable Water, as a Pond Liner, or in a Swimming Pool?
Yes, Sto Watertight Coat has NSF (National Sanitation Foundation) approval for use in contact with potable water. It can also be used in concrete pools and ponds. Before filling the ponds, pools or tanks with water, Sto Watertight Coat should be allowed to cure a minimum of 7 days (longer if cooler temperature and/or damp conditions exist).