It is crucial a roof has ventilation to keep the attic cool in the summer and dry in the winter to reduce the risk of mold and mildew. However, some homes have little or no overhand. Overhangs typically provide the intake ventilation which is required by shingle manufacturers and building codes. An edge vent can supplement existing soffit or undereave vents. The edge vent is installed directly in the shingle field providing proper intake ventilation.
