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,

Delivering local news to Fergus Falls, MN The Fergus. Fergus Falls paper. News, weather, a forum, classifieds, and a public submission calendar of events for the area. Nelson Auto Center Inc. Ford Dealership in Fergus Falls. Welcome to Nelson Ford serving Fergus Falls, Pelican Rapids, Elbow

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