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,

Welcome to Delapre Abbey A Tour of Delapre Abbey; Battle of Northampton event 2013; Delapre Abbey roof repairs; Delapre Abbey in 2016; Delapre Abbey Drive; Delapre Abbey Stable & Garden Painesdale Mine & Shaft Copper Range Railroad Please Help Save a Piece of History Painesdale Mine

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