The system is ideal for the repair of cracked and broken pipes and sewers.
A pre survey is carried out by CCTV followed by pipe preparation by high pressure water jetting.
The liner which is a polyurethane coated felt tube, impregnated with resin and catalyst system is winched or pushed through the defective section of pipe.
Water or air is then induced into the liner expanding it to the contours of the host pipe and then is held under pressure where curing takes place usually in 1 - 2 hours. The lining at this stage has formed a hard, tough, structural pipe inside the old defective pipe.
Upon completion the lined pipe is re surveyed by CCTV to check the installation and the results are recorded onto DVD.
Benefits of lining techniques over conventional excavation include:
Cost effective against conventional repair Speed of installation Minimal disruption and inconvenience Improved through flow characteristics Good resistance to future root, chemical and abrasive damage