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
Steep-Slope Roofing
Steep-Slope Roofing
Metal flashing pieces installed at sidewalls and chimneys for weatherproofing.
Step-flashing
When a roof plane ties into another roof plane that has a different pitch or slope.
Transitions
The surface, usually plywood or oriented strand board (OSB), to which roofing materials are applied.
Deck/ Sheathing
A flat board, band or face located at a cornice’s outer edge.
Fascia
Vents, pipes, stacks, chimneys-anything that penetrates a roof deck.
Penetrations
The supporting framing to which a roof deck is attached.
Rafters
Engineered components that supplement rafters in many newer homes and buildings. Trusses are designed for specific applications and cannot be cut or altered.
Truss
A material designed to restrict the passage of water vapor through a roof system or wall.
Vapor retarder
A strip of asphalt material along the rake over an unseen drip edge metal.
Bleeder
An area behind a chimney or wall that has a slope designed to move water away and down the roof
Cricket
A ceiling is nailed to this framing members. These are also used to tie walls together.
Joist
A brace placed in the attic to support the rafters.
Purlin
A corrosion resistant metal covering that seals penetration on roof such as exhaust fans, gas water heater pipes and plumbing venting through the roof.
Roof Jack
