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,

City of Laguna Hills, CA Community Development Chantarangsu, AICP, Community Development Director. The Community Development Department provides planning, code enforcement, building and safety, and. Laguna Hills city from the US Census Bureau People Laguna Hills California; Population,estimate 30,880 38,431,393 Population,Aprilestimates base 30,211 37,254,503 Dayton Roofing

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