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,

Wilserv Spray Foam Insulation and Weatherization New. Wilserv is one of the leading insulation contractors in the southeast, providing insulation solutions for overyears. Our commitment is to provide commercial. The Simpson Company Properties The Commercial. The Simpson Company PO , 770.532.9911 Norcross Industrial Blvd. Suite B

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