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,

Commercial Roofing St. Louis & Kansas City Kirberg. Roofing St. Louis, Springfield & Kansas City Since 1920. For four generations, Kirberg Company has provided St. Louis, Springfield and Kansas City with the best. Rich Roofing Ohio Roofing Contractors Roof Inspections. A letter of appreciation was forwarded

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