Use the right type of attic vent for the right project and roofing contractors can expect efficient performance and energy savings from the attic ventilation system. But sometimes roofing professionals become frustrated because they’re stuck in one of the following traps they’d be wiser to avoid.

Retrofitting flat roofs with sloped metal roofs is a concept that is tailor-made for these declining economic times. Interestingly, of the 40 billion square feet of roofing annually installed in the United States, only a fraction of that amount entails retrofitting roofs with sloped metal systems.