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,

Conneaut History & Genealogy History of Kingsville. History of Kingsville Twp. Ashtabula Co., Ohio. SOURCE History of Ashtabula County, Ohio Large, Moina W. Topeka Historical Pub. Co.,, 1924,pgs. Northeast Ohio Obituaries December,Older Obits 1971 1982 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008

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