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,

Advertise With Us Names and Numbers Advertise With Us. 76% of adults use Yellow Pages; 85% of Yellow Page users make a purchase; and buyers used the print Yellow Pages 7.4 billion times in 2011. Change Your Listing Names and Numbers Change your Yellow or White

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