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,

Centadata Riva HOUSEDIVERIA BOULEVARD DIVERIA BOULEVARD HOUSERIVA with roof garden 01/04/15 $26. 17.f. $15538 LGSF installs curved steel framing to support sedum roofs Light Gauge Steel Framing Sherburn has just completed the installation of two lightweight overroofing structures on modular residential apartment buildings in. The Woodlands

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