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,

PAST PERFORMANCE PROJECTS Action Target Title Microsoft Word Military Past Performance Project Ft. Benning GA Live Fire Author Owner Created Date 3/2/2009 111432 AM Project Index — KCI SEED School of land. Baltimore, Md. KCI assisted in the development of the SEED School s campus master

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