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,

Commercial Builders VA Herman/Stewart Construction Contact Herman/Stewart ConstructionForbes Blvd., , Phone 301.731.5555 301.731.5900 Accounting 301.731.8400 Commercial Construction Services land Herman/Stewart. Commercial Construction Services land Our general contracting company specializes in commercial construction. Our building construction projects range from. Lanham Electrical Supply –

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