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,

Read Document Wisconsin Department of Natural Resources WCR_SER_SCR_NOR_NER_NER_ NER_ NER_ NER_ NER_ Wisconsin Moving Companies Reviews On Movers Moving Company Reviews. Home; Check Movers License; Relocation Guidelines; Moving Cost Calculator. Wisconsin Moving Companies ISSUU Shellbrook Chronicle February h by City Media Shellbrook Chronicle

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