- Asphalt Primer
- Air Barrier
- Angled Fasteners
- APA: The Engineered Wood Association
- Asphalt Plastic Cement
- Apron Flashing
- Base Sheet
- Butt Edge
- Back Surfacing
- Camelot® Shingle
- Cap Sheet
- Cant Strips
- Cool Roof
- Counter Flashing
- Drip Edge
- Dragon Teeth
- End Laps
- FeltBuster® Roof Deck Protection
- Fiberglass Mat
- Flashing Cement
- Gable Roof
- GAF Shingle & Accessory Ltd. Warranty
- Golden Pledge® Warranty
- Grand Canyon® Shingles
- Grand Sequoia® Shingles
- Hip Legs
- Hip & Ridge Cap Shingles
- High Nailing
Rooftop fungus that can leave dark stains on roofing
Asphalt is a sticky, black and highly vicious liquid or semi-solid form of petroleum. It may be found in natural deposits or may be a refined product; it is a substance classed as a pitch.
Asphalt Roofing Manufacturers Association is an organization of asphalt roofing manufacturers.
Asphalt-based primer used to prepare the surface of concrete, metal, or other materials to enhance the adhesion of asphalt adhesives or asphalt sealant. Meets ASTM D41.
The assembly of materials used in building construction to reduce or slow the passage of air into and out of the building.
Roofing nails and staples driven into decks at an angle – not perpendicular to the roof deck surface.
APA: The Engineered Wood Association
The APA: The Engineered Wood Association is a trade organization that develops product standards, installation standards, and does certification testing of engineered wood products such as plywood and OSB (oriented strand board).
Asphalt Plastic Cement
A solvent-based asphalt sealant used for hand sealing shingles and sealing other locations on asphalt roofs. Meets ASTM D4586 Type I or II.
Metal flashing used at chimney or dormer fronts.
ASTM International (formerly The American Society for Testing and Materials), an organization that develops and publishes voluntary consensus standards, test methods, and specifications for a wide variety of materials, including roofing.
First layer or base ply in low-slope multi-ply roofing systems.
When shingles are subjected to high winds and are forced off a roof deck by the wind.
A visible wrinkle or ripple in shingles or underlayments.
The lower edge of the shingle or shingle tabs.
A material (normally a fine-mineral material) applied to the back of shingles or roll products to keep them from sticking together in the package during shipping, storage, and delivery.
Bubbles or pimples in roofing materials. Usually moisture related.
A GAF Designer shingle with oversized tabs and an ultra-dimensional profile.
Top or final layer on low-slope roof systems.
A triangular strip of material typically used on low-slope roofs for deflecting water away from flashing areas.
A roof system that uses products with a top surface of highly-reflective and emissive material. Cool roof surfaces can remain at markedly lower temperatures when exposed to solar heat in service than surfaces of roofs constructed with traditional non-reflective roofing products. Timberline® Cool Series® is one example.
The metal or siding material installed over rooftop base flashing systems.
A raised roof extending out of a larger roof plane.
A non-corrosive metal lip that keeps shingles up off the deck at roof edges and extends shingles out over eaves and rakes that allows water to drip clear of underlying construction and to provide a finished look.
The exposed section of double thickness on Timberline® Shingles – also called saw-teeth. Shaped to imitate a wood shake look on the roof.
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.
FeltBuster® Roof Deck Protection
Quality, synthetic roof deck protection to help prevent wind-driven rain from infiltrating under the roof’s shingles and potentially damaging the home’s structure and interior.
Glass fibers formed into strong, resilient mats for use in roofing materials.
Federal Housing Authority.
The flat metal extending out on the roof from around flashing pieces, usually at chimneys and plumbing vents.
Components used to weatherproof or seal roof system edges at perimeters, penetrations, walls, expansion joints, valleys, drains, and other places where the roof covering is interrupted or terminated.
Sealant designed for use around flashing areas as a component in the flashing system, typically thicker than asphalt plastic cement.
A flexible sheet manufactured by the interlocking of fibers with a binder or through a combination of mechanical work, moisture, and/or heat.
Traditional roof style; two peaked roof planes meeting at a ridge line of equal size.
GAF Shingle & Accessory Ltd. Warranty
GAF standard shingle limited warranty that covers GAF asphalt shingles and GAF accessories.
Golden Pledge® Warranty
The strongest GAF limited warranty for shingles.
Grand Canyon® Shingles
Ultra-Premium Designer roofing shingle. The ultimate choice for a rugged wood-shake look.
Grand Sequoia® Shingles
GAF value collection designer roofing shingle with a rugged wood-shake appearance.
Crushed rock that is colored with ceramic coating and used as the top surface of shingles and other roofing material.
The method to assure sealing of shingles on very steep slopes, in high-wind areas, and when installing in cold weather.
The down-slope ridges on hip roofs.
Hip & Ridge Cap Shingles
The final layer of the roof at the ridge or hip, used to ensure protection at the highest areas of the roof and to accentuate the natural beauty of the roof by adding dimension and depth.
When shingles are nailed or fastened above the manufacturer’s specified nail location.