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An asphalt shingle consists of a single layer with the exposed area separated by cut-outs into three tabs…
An asphalt shingle made up of multiple layers. The tabs on these shingles are cut to different sizes…
Asphalt is a petroleum based material used in many roofing products, most commonly as the waterproofing binder in…
A shingle created by covering a fiberglass mat with an asphalt-based coating, then adding mineral granules to the…
An opening that allows air, heat, and water vapor to escape from the attic. This helps prevent damage…
Bubbles that may appear on the surface of asphalt roofing after installation.
The lower edge of the shingle tabs.
Shingles that are specially designed to remain at lower temperatures than traditional, non-reflective shingles when exposed to the…
A device that helps divert water around or away from chimneys and other large roof projections.
The structural material over which roofing is applied. Usually plywood, boards, or planks.
Asphalt roofing shingles with highest-end multidimensional designs made to appear similar to slate or wood shake shingles. Often…
Another name for an architectural shingle.
A dormer is a framed roof projection that extends out from the main sloped roof, creating usable headroom…
A pipe for draining water from roof gutters. Also called a leader.
Drip edge is a corrosion resistant metal flashing installed along roof edges at the eaves and rakes. It…
An eave is the lower edge of a sloped roof that extends past the exterior wall. The eave…
Additional layer of roofing material applied at the eaves to help prevent damage from water back-up.
The vertical finishing board that runs along the lower edge of the roof, typically mounted at the end…
A material installed around a roof penetration or along an edge to help keep moisture from seeping into…
The upper triangular portion of a sidewall that comes to a point at the ridge of a double…
A gable roof is a common roof style with two sloping sides that meet at a ridge, creating…
Typically ceramic-coated colored crushed rock that is applied to the exposed surface of asphalt roofing products.
The trough that channels water from the eaves to the downspouts.
The inclined external angle formed by the intersection of two sloping roof planes. Runs from the ridge to…
A hip roof is a roof style where all sides slope downward from the peak, so there are…
Condition formed at the lower roof edge by the thawing and refreezing of melted snow on the overhang.…
One or more courses of self-adhering underlayment installed at the eaves of a building to prevent damage from…
Another name for an architectural shingle.
Shingles containing more than one layer to create extra thickness. Also called three-dimensional shingles or architectural shingles.
That portion of the roof structure that extends beyond the exterior walls of a building.
The supporting framing member immediately beneath the deck, sloping from the ridge to the wall plate.
The inclined edge of a sloped roof over a wall.
The process of removing existing roof coverings and replacing them with a new roofing system.
The uppermost, horizontal external angle formed by the intersection of two sloping roof planes.
Material specifically made to cover the peak ridge or hips of the roof.
The vertical distance from the eaves line to the ridge.
Also known as underlayment, these GAF products are often synthetic or fiberglass-reinforced felts. They provide a water-shedding secondary…
An air slot cut into the roof deck at the highest point on the roof. The vent construction…
A material laid down on top of the roof decking to protect the structure underneath. Typically made of…
An asphalt-saturated tape used with asphalt cements for flashing and patching asphalt roofing.
Asphaltic saturated organic or synthetic-based rolled materials designed to be installed under the main roofing materials to help…
The horizontal distance from the eaves to a point directly under the ridge. One half the span.
The structural material over which roofing is applied. Usually plywood, boards, or planks.
A small piece of roofing material designed to be installed in overlapping rows or courses.
Asphalt roofing that provides one layer of roofing material over the deck.
The degree of roof incline expressed as the ratio of the rise, in inches, to the run, in…
Roll roofing that is covered with ground talc or mica instead of granules (coated).
The exposed area under a roof eave or overhang.
A vent pipe that penetrates the roof.
Racked solar panels (aka modules), which are separate from and on top of your roof, with the panels…
A roofing system in which the solar is integrated into your home’s roof materials. See GAF Energy and…
The horizontal distance from eave to eave.
A measurement of roof area equal to 100 square feet or enough roofing material to cover 100 square…
Shingles on which tabs are all the same size and exposure.
The first row of roofing that is installed at the edge of the eave. They are also installed…
Base flashing application method used where a vertical surface meets a sloping roof plane.
Asphalt shingles made from a single layer that are approximately three times as long as they are wide.
The bottom portion of a shingle, where the material is separated by the shingle cut-outs.
To remove an existing roofing system down to the structural deck.
Asphalt saturated felt or specially engineered synthetic material used beneath roofing to provide additional protection for the deck.
The place where two downward-sloping sections of a roof join, creating a “V” shaped depression.
A material used to impede the passage or movement of water vapor. Usually included as a layer during…
Any outlet for air that protrudes through the roof deck such as a pipe or stack. Any device…