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,

Repair leaky steel bulkhead doors to the cellar. Way My cellar gets water in it during rain storms, because the Bilco basement "Classic Series Steel Sided Doors" are leaky. Does anyone make a onepiece. Pyramid Roofing Based on hisyears of life in the hot seat of

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