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,

Seacoast Roofing of NH local roofer offers free estimates Seacoast Roofing Contractors LLC of NH has been roofing homes like yours sincedoing roof replacement we are fully insured roofers and give free estimates. T. S. ot Wikipedia, the free encyclopedia Stearns ot OMSeptember–January 1965, usually

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