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,

Gutters St Louis Gutter Cleaning to New Seamless Gutters. Gutter Cleaning St gutters, Gutter Guards and Guttering Repairs St Louis City and County for overyears. Always Free estimates for. Windows, Gutters, Driveways, Decks St. Louis Commercial and Residential window cleaning, pressure washing, gutter cleaning, driveway

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