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,

Mounting Conduit On Existing Flat Roof Electrical. Can any one recommend a product or method to run conduit on an existing flat roof? First time for everything! Thanks in advance for your input. Velez Home Improvement, LLC Plainfield, . Velez Home Improvement, LLC prescreened Addition

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