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,

Aerial Roof Estimating Fast and Accurate Replacement. Replacement Contractor is dedicated to exterior specialty contractors in the roofing, siding, window and door, and decking categories of the home improvement industry. Callaway #1995 Knecht Home Center Home Center has been helping customers with their home improvement needs,

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