The components of a residential roof typically include the roof deck, underlayment, roofing material, flashing, and a ridge vent. The roof deck is the surface that supports the roofing material. The underlayment is a layer of material that is installed beneath the roofing material to provide an extra layer of protection for the roof deck. Roofing material is the material that forms the outermost layer of the roof and is designed to protect the home from the elements. Flashing is a material that is used to seal areas where the roofing material meets other parts of the roof or the building, such as at the chimney or skylights. A ridge vent is a ventilation system that is installed along the peak of the roof to allow for proper airflow and to help prevent moisture buildup.
