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,

Rain Water Harvesting, Commercial Rainwater Collection. Water Harvesting Solutions designs and manufactures commercial systems for rain water and greywater harvesting and collection in commercial and institutional Central Mass Tree Inc. Firewood, Tree Removal, Land. Central Mass Tree Inc. provides services for tree removal ma, land clearing,

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