A sheet metal roof can be a challenging roof surface to seal from the elements. One of the major factors is the constant expanding and contracting of the surface itself. A sheet metal roof can expand and contract as much as 2 inches every 100 feet which can be devastating to fasteners and seams, which 90% of all roof leaks occur at these points.
If you are experiencing problems with a metal surface then the two options are to either replace the roof which can be extremely expensive and time consuming or restore it with a elastomeric roof coating, which can be very cost effective as compared to replacing the roof.
A high quality elastomeric roof can add many years of life to your existing roof, they come in many different forms but the high quality ones are generally more expensive but should be the only choice. Lower cost coatings don’t stretch as well and seldom have the proper UV protection built into them.
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