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,

Dobson s Flooring America COMMERCIAL. We make the job easy with one source within Dobson’s for all your project needs. From finishout to ground up construction projects, Dobson’s Project. Dobsonian escope Wikipedia, the free encyclopedia A Dobsonian escope is an altazimuth mounted Newtonian escope design popularized

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