The main factor that may weaken the stability of the roof structure is dampness. On its negative impact it is particularly exposed rafter framing, which deform under impact of water. Therefore is important roof protection against getting in  water into its internal structure.

Typically, investors during the construction of the roof attach great importance both for building materials, as well as careful execution. Unfortunately, later very often they forget about the survey, and any minor defects  commission outsource cheaper and often non-professional roofing companies. This is a big mistake,

Florida Metal Roofing Supply and Trim B&B Wholesale Metals B&B Wholesale Metals is a Florida metal roofing supplier. We supply premium metal roofing and trim. Trust our worldclass knowledge, service and selection aluminum roofing sheet Alibaba Aluminum Roofing Sheet, Buy Various High Quality Aluminum Roofing Sheet

A very important element that must be considered when the roof is projected, is ventilation, allowing drainage of excess dampness from under the roofing.