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,

Brothers Energy saver company which installs siding, windows, and other exterior coverings to conserve home energy. RV Flexible Sealant Clear Geocel Roof. Developed specifically for RV use, Flexible RV Sealant is more elastic than silicone sealants, and has superior adhesion as well. Tripolymer formula displaces.

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