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,

Merit Construction Northwest Seattle Tacoma General. Merit Construction Northwest is a highly respected Seattle general contractor and Tacoma general contractor established in 1957. Merit Construction NW specializes in. Home Deerfield Roofing Deerfield Roofing features the solutions to all of your north Georgia roofing concerns. From installation

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