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,

Engineering Engineering Prattville, Alabama. Mission Statement The Engineering Department provides engineering and infrastructure maintenance services for the City of Prattville. The individuals who devote their. Prattville city from the US Census Bureau People Prattville Alabama; Population,estimate 35,229 4,833,996 Population,Aprilestimates base 33,992 4,780,127 Population. Marshall Group Design

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