It is now proven by a growing number of regular installers of solar water heating systems even with the cost difference between copper and flexible stainless steel pipe, is that SS flexible is the choice material for a fast leak free job. Using this type of pipe, which can be bent double and still hold its roundness with full insulated tubing with no splits attached to roof joists together. SS pipe cuts down on the number of joints by 90% when compared to copper pipe and can thus reduce labor costs and concerns about leaks in the roof space, which even for the very best plumbers is often a...