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,

Bonn Wikipedia, the free encyclopedia Bonn, officially the Federal City of Bonn, is a city on the banks of the Rhine in the German state of North RhineWestphalia, with a population of 311,287 within its. Parkside at Westphalia « MidAtlantic Builders Blog News. MidAtlantic Builders hosted

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