External Polyethylene Coating : AWWA C 215, DIN 30670, NF A 49-710

Internal Concrete Lining : AWWA C 205, DIN 2614,

Internal - External Coal - Tar Enamel Coating : AWWA C 203, BS 4164

Internal - External Epoxy Paint Coating : AWWA C 210,

Internal - External Bitumen Coating : DIN 30673, BS 4147,