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,

Team The Guardian Calgary project management JAKIN Group of Companies. Since 1989, JAKIN has successfully finished building projects of all shapes and sizes – from industrial and commercial. KEZU Furniture KEZU supplies furniture that makes people feel good. Since its founding in 1992, the company has

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