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,

Roofing Tile Lawrence Berkeley National Laboratory Roofing Tile General Description. Roofing tiles can be ceramic e.g., clay fired at a high temperature or fabricated from cement concrete. Some of the lighter types on Green Dr Apt D, Goleta, Public. Discover sales history forCannon Green Dr

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