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,

Hometalk Electrical and water in same trench? The National Electrical Code does not specify whether power and water can or cannot be run in the same trench. I have had inspectors give different views on the. Resumes Sample Resume, Resume Template, Resume Example. List

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