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,

Residential Roof and Gutter DeIcing Emerson Industrial Appleton Group’s residential roof and gutter deicing electric heating cables economically and efficiently reduce ice formation along roof edges and in gutters. Steel Master Homes Metal House Buildings buildings have features and designs that enhance the look of steel

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