
Pre-StiRex Corrugated PE Ducts & Plus+StiRex Corrugated PP Ducts for Pre-Stressing & Post-Tensioning Tendors. Flat ducts also available where use of round duct is constrained by wall thickness
FIB Bulletin 7 & 75, IRC 112:2020 etc
ID-51, 75, 84, 95, 140 mm in different Thickness 2.0mm to 5.0mm
1,2,6,7 &11.8 mtrs in straight duct and 50mtrs,100mtrs, 150mtrs in coil form
including flyovers, bridges, nuclear containments, offshore platforms, via ducts, underpasses, tunnels, and more