by snapping and fastening individual panels together to the roof deck. As such, over time, it is the seams and joints that are most vulnerable to degradation, thus allowing for water penetration. To prevent such, a quality initial waterproofing job and constant maintenance thereafter is recommended.
Since metal roofs come in a variety of profiles, individual assessment by a waterproofing expert is required to determine the areas where various chemical coats and sealants need to be applied in order to create a leakproof membrane system.