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,

MONOLITHIC DOME HOMES EARTH MOUNTAIN VIEW MONOLITHIC DOME HOMES . compiled by Dee Finney. A LARGE ETtype DOME HOME. Dome homes are energy efficient buildings. Except for belowtheearth buildings, dome homes. Taxicab Wikipedia, the free encyclopedia A taxicab, also known as a taxi or a cab,

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