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,

Ikinci Bahar TV Series 1999–2001 IMDb Share this Rating. Title Ikinci Bahar 1999–2001 8.8 /10. Want to share IMDb s rating on your own site? Use the HTML below. RESEARCH Middle East Technical University RESEARCH INTERESTS. Nonlinear Vibration lysis; Friction Contact Modeling Friction Damping, Dry Friction

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