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,

Building & Zoning Franconia Township Building & Zoning Building Inspector/Code Enforcement Officer Roger M. Koffel and Gerald Rittenhouse. Roger & Jerry inspect job sites for building, plumbing, and. Franconia District Police Station Fair County, Road andria, Phone number numberPolice Service Areas. View Large Map in PDF

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