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,

The Roof Whisperer hasreviews and average rating of... The Roof Whisperer hasreviews As a professional Toronto Roofing Contractor we offer our customers our dedication and experience in this competitive field. At. Tom Lee Roofing, Inc. Diamond Certified Tom Lee Roofing, Inc. is a licensed roofing contractor

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