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,

IKO Shingles problems? Discussion on Topix Just wanted to put it out there, that we were a asphalt roofing company that compley dropped both the IKO and BP brands because of all the issues above. Resumes Sample Resume, Resume Template, Resume Example. List of free sample

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