Roofing Terminology Flashcards
the edges of the roof which overhang the face of a wall and, normally, project beyond the side of a buildin
Eave
A shingle valley installation method where one roof plane’s shingles completely cover the other’s. The top layer is cut to match the valley lines.
Closed Cut Valley
When shingles are improperly installed over an existing roof or are over-exposed, they may form a curl or cup. May also be due to a manufacturing defect.
Cupping
A raised roof extending out of a larger roof plane
Dormer
An installed lip that keeps shingles up off the deck at edges, and extends shingles out over eaves and gutters
Drip Edge
When installing rolled products in roofing, the area where a roll ends on a roof, and is overlapped by the next section of rolled material.
End Laps
Materials used to waterproof a roof around any projections
Flashing
Traditional roof style; two peaked roof planes meeting at a ridge line of equal size.
Gable Roof
Crushed rock that is coated with a ceramic coating and fired, used as top surface on shingles.
Granules
Hip Legs
Hip Legs
A roof with four roof planes coming together at a peak and four separate hip legs.
Hip Roof
When a snow load melts on a roof and re-freezes at the eave areas. Ice dams force water to “back-up” under shingles and cause leakage.
Ice Dam
Continuous metal flashing consisting of several feet of metal. Used at horizontal walls, bent to resemble an “L”.
“L” Flashing
Roof pitches less than 4:12 are considered low sloped roofs. Special installation practices must be used on roofs sloped 2:12-4:12. Shingles can not be installed at slopes less than 2/12.
Low Slopes
A roof design with a nearly vertical roof plane that ties into a roof plane of less slope at its peak.
Mansard
NRCA
The National Roofing Contractors Association. Respected national organization of roofing contractors.
Valley installation using metal down the valley center.
Open Valley
OSB
Oriented Strand Board. A decking made from wood chips and lamination glues
Method of installing shingles in a straight up the roof manner.
Racking
The vertical edge of gable style roof planes
Rake Edge
Rooftop rectangular shaped roof vents. Also called box vents, mushroom vents, airhawks, soldier vents.
Roof Louvers
A roofing area defined by having four separate edges. One side of a gable, hip or mansard roof.
Roof Plane
Intake ventilation installed under the eaves, or at the roof edge.
Soffit Ventilation
The first course of roofing installed. Usually trimmed from main roof material.
Starter Strip
