Glossary of Common Roofing Terms Defined and Explained

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When in need of roofing in Dayton OH, you want to be able to effectively communicate with your contractor to make the whole project go as seamlessly as possible. We know how daunting the whole roofing process can seem, especially if you know nothing about roofs and the materials used. That’s why BUCKEYE HOME IMPROVEMENT has come up with a glossary of common roofing terms so you can better understand the process of roofing in Columbus OH.

  • Algae : Rooftop fungus that leaves dark staining on roofing.
  • Angled Fasteners : Roofing nails and staples driven into decks at angles not parallel to the deck.
  • Apron Flashing : Metal flashing used at chimney fronts.
  • ARMA : Asphalt Roofing Manufacturers Association, an organization of roofing manufacturers.
  • Asphalt : A bituminous waterproofing agent used in various types of roofing materials.
  • Asphalt Concrete Primer : Asphalt-based primer used to prepare concrete and metal for asphalt sealant.
  • Asphalt Plastic Cement : Asphalt based sealant material, meeting ASTM D4586 Type I or II. Used to seal and adhere roofing materials. Also called mastic, blackjack, roof tar, bull.
  • ASTM : The American Society for Testing and Materials. Organization that sets standards for a wide variety of materials, including roofing.
  • Back Surfacing : Granular material added to shingle’s back to assist in keeping separate during delivery and storage.
  • Blistering : Bubbles or pimples in roofing materials, which are usually moisture related. In shingles, blisters are caused by either moisture under the material or moisture trapped inside the material.
  • Blow-Offs : When shingles are subjected to high winds, and are forced off a roof deck.
  • Buckling : When a wrinkle or ripple affects shingles or their underlayments.
  • Closed Cut Valley : 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.
  • Cobra® : GAF’s respected brand name for ventilation products.
  • Counter Flashing : The metal or siding material that is installed over roof-top base flashing systems.
  • Country Mansion®: GAF’s limited lifetime warranty shingle.
  • Crickets : A peaked water diverter installed behind chimneys and other large roof projections. Effectively diverts water around projections.
  • Cupping : 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.
  • Deck : The substrate over which roofing is applied. Usually plywood, wood boards, or planks.
  • Deck Armor™ : Premium breathable roof deck protection. It provides a critical extra layer of protection between your shingles and your roof deck — to help prevent wind-driven rain (or water from other sources) from infiltrating under your shingles and causing damage to your roof structure or to the inside of your home.
  • Dormer: A raised roof extending out of a larger roof plane.
  • Drip Edge: An installed lip that keeps shingles up off the deck at edges, and extends shingles out over eaves and gutters.
  • Dubl-Coverage Mineral Guard® : Roll roofing material with 19″ selvage edge for double coverage over roof deck.
  • Eaves : The roof edge from the fascia to the structure’s outside wall. In general terms, the first three feet across a roof is termed the eave.
  • End Laps : 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.
  • EWA : Engineered Wood Association. Tests and sets standards for all varieties of plywood used in the U.S.
  • Exposure : The area on any roofing material that is left exposed to the elements.
  • Fasteners : Nails or staples used to secure roofing to the deck.
  • FHA : The Federal Housing Authority sets construction standards throughout the U.S.
  • Fiberglass Mat : Fibers condensed into strong, resilient mats for use in roofing materials.
  • Flange : Metal pan extending up or down a roof slope around flashing pieces. Usually at chimneys and plumbing vents.
  • Flashing : Materials used to waterproof a roof around any projections.
  • Flashing Cement : Sealant designed for use around flashing areas, typically thicker than plastic cement.
  • Gable Roof : Traditional roof style; two peaked roof planes meeting at a ridge line of equal size.
  • GAFCant : GAF cant strips for deflecting water away from flashing areas. Typically used on low slope roofs.
  • Golden Pledge® : GAF’s strongest limited warranty for shingles. America’s strongest steep slope warranty.
  • Grand Sequoia® : GAF shingle with wood shake appearance.
  • Steep-Slope Roofing : Generally all slopes higher than 4/12 are considered steep slopes.
  • Stepflashing : Metal flashing pieces installed at sidewalls and chimneys for weatherproofing.
  • StormGuard® : GAF waterproof underlayment. Film-surfaced rolled underlayment, 1.5 squares coverage per roll.
  • Tab : The bottom portion of traditional shingle separated by the shingle cut-outs.
  • Tear-Off : Removal of existing roofing materials down to the roof deck.
  • Telegraphing : When shingles reflect the uneven surface beneath them. Ex: Shingles installed over buckled shingles may show some buckles.
  • Timberline® Series : GAF’s trademark name for laminated wood-shake-style shingles.
  • TimberTex® : GAF enhanced Hip and Ridge Shingles.
  • Transitions : When a roof plane ties into another roof plane that has a different pitch or slope.
  • Underdriven : Term used to describe a fastener not fully driven flush to the shingles surface.
  • Underlayments : Asphalt-based rolled materials designed to be installed under main roofing material to serve as added protection.
  • Valleys : Area where two adjoining sloped roof planes intersect on a roof creating a V-shaped depression.
  • Vapor : Term used to describe moisture laden air.
  • Warm Wall : The finished wall inside of a structure, used in roofing to determine how far up the deck to install waterproof underlayments at eaves.
  • Warranty: The written promise to the owner of roofing materials for material related problems.
  • Waterproof Underlayments : Modified bitumen based roofing underlayments. Designed to seal to wood decks and waterproof critical leak areas.
  • Weather Stopper®: Integrated Low-Slope Roofing System™ – GAF’s complete roofing system and components.
  • Weather Stopper System Plus Ltd. Warranty Plus Limited Warranty : GAF’s next grade of enhanced warranty. Extended coverage for owners.
  • Woven Valleys : The method of installing valleys by laying one shingle over the other up the valley center.

Backed by our A+ rating on the Better Business Bureau and A rating with Angie’s List, BUCKEYE HOME IMPROVEMENT offers you unparalleled service with a commitment to 100 percent customer satisfaction. Get peace of mind knowing we’re locally owned and operated, providing you with top-to-bottom service as leaders in your community. We are proud to be GAF Certified Contractors, and we always inspect every job we do from start to finish. You’ll never have to worry about how we leave the work site. Each day, we make sure we clean our mess not only for aesthetic reasons but for safety reasons as well. We realize you have a busy life to tend to, which is why we take all the guesswork and hassle out of roof work so you can concentrate on more important things.

Here at BUCKEYE HOME IMPROVEMENT, we are always striving to ensure your total satisfaction. As such, we take pride in our professional team of roofers who show up on time ready for a full day’s work. Backed by some of the most skilled professionals in the business, BUCKEYE HOME IMPROVEMENT is proud to say that our roof, gutter and siding projects average under two days while other companies may take weeks. As a business or homeowner, you want to get back to normal as soon as possible. With us, you can achieve that!

When it comes to quality roofing in Dayton OH, trust none other than BUCKEYE HOME IMPROVEMENT to provide you with the expertise and knowledge necessary for both residential and commercial roofing applications. If you need roofing in Columbus OH why not give us a call? We would be happy to schedule an appointment or clarify any of the terms on this page.