We are well-known manufacturer and supplier of high quality HDPE Sheathing Duct (SWC Pipes), which facilitates pre-stressing steel to move freely during stressing. In pre-stress structures, Metallic and HDPE ducts are widely used. The sheathing can be availed in strip size ranging from 39 mm to 150 mm diameter with thickness of 0.24 mm to 0.7 mm. The ducts can be availed in bright metal / galvanized / lead coated finish.