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,

Michigan Roofing by Hansons. Protect Your Home with. Michigan Roofing by Hansons. Get a free estimate from Hansons for your roofing needs. Hire a professional roofing contractor with shingles The Cellar Lumber Company Cellar Lumber Company eShowroom WESTERVILLEE. College Ave. Westerville, Phone83 81 CIRCLEVILLES. Pickaway St.

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