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,

Metal Roof baubilt The mini cabin is topped with Fabral painted steel roofing panels. The lumber yard can order this type of roofing in custom colors Hartford Green in my case. Metal Salesft. Classic Rib Steel Roof Panel in. Metal Sales Galvalume Classic Rib Steel Roof

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