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,

The Urbz Sims in the City FAQ/Walkthrough for Game Boy. For The Urbz Sims in the City on the Game Boy Advance, FAQ/Walkthrough by Warfreak. Santa Rosa press gazette UFDC Home All Collection Groups Record Information Bibliographic ID UF00028408 Volume ID VID00144 Source Institution University of

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