5V (metal roof)The 5V metal roof panels are designed with an enhanced “U” over “V” profile to provide maximum leak resistance.
Cricket A cricket or saddle is a ridge structure designed to divert water on a roof around the high side of a chimney or the transition from one roof area to another, the cricket is normally the same pitch as the rest of the roof, but not always.
Drip Edge  A metal flashing or other overhanging component with an outward projecting lower edge, intended to control the direction of dripping water and help protect underlying building components.
EaveThe part of a roof that meets or overhangs the walls of a building.
FasciaA vertical frieze or band under a roof edge, or which forms the outer surface of a cornice, visible to an observer.
FlashingAluminum or galvanized steel — that's used over joints in roof and wall construction to prevent water seeping in and causing damage.
RidgeThe top edge of two intersecting sloping roof surfaces.
Slope/PitchThe slope of a roof is often referred to as the pitch. The slope, or pitch, of the roof is determined by the vertical rise in inches for every horizontal twelve inch.
Standing Seam (Metal Roof)A Metal roofing sheet with prominent visual feature is the raised interlocking seam which joins one panel to the next.
Roofing Square The common measurement for roof area. One square is 100 square feet (10 by 10 feet).
Underlayment A water-resistant or waterproof barrier material that is installed directly onto your roof deck. It is applied under all otherroofing materials as an added layer of protection from severe weather.
Valley The angle formed at the intersection of two sloping roof surfaces.