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,

Rockwood Tent Folding Camping Trailers by Forest River RV Rockwood Camping Trailers Freedom Series. With features available like the threespeed CreateABreeze ventilation fan to pull in fresh outside ambient air so you wood Signature Ultra Lite Fifth Wheel Series M wood Signature Ultra Lite Fifth Wheel

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