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,

Accurate Roofing and Siding NJ and PA Roofing and. Accurate Roofing and Siding LLC certified roofing and siding contractor serving residents and busineses in New Jersey and Pennsylvania. Toprated. Find TopRated Philadelphia Roofing Contractors Angie s List Find TopRated Philadelphia Roofing Contractors Angie s List helps

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