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,

Alden Slate. Tile. Copper Roofing. Historic. About Alden . Alden is a family owned business that specializes in slate, tile, and copper roof installations. Our family has been roofing since 1968. Hoekstra Roofing Company Commercial Roofing Contractors. Hoekstra Roofing Company commercial roofing contractors, roofing

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