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,

AMERICAN NATIONAL STANDARD Standard Field Test Procedure ng thereview of ANSI/SPRI FX1 non substantive changes were made to the text to provide clarification and more concise direction. For more information on. Roofs Matter Don’t Underrate What’s Above Realtor Magazine With buyers getting more demanding about the

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