Roof covering Terminology

Knowing typical roofing terms will certainly enable you as a home owner to make an enlightened decision about roof products that are good matches for your house’s style and also the region in which you live. It will also aid you recognize the agreement with your roof covering professional and also the task updates.
Some essential roof covering terms are listed below:

Asphalt: A waterproofing representative related to roof materials throughout manufacturing.

Asphalt plastic roofing cement: An asphalt-based sealant utilized to bond roof covering materials. Known as flashing concrete, roof tar, bull or mastic.

Back surfacing: Granular material put on the back side of shingles to maintain them from sticking during delivery and also storage.

Base blinking: That part of the blinking connected to or hing on the deck to guide the circulation of water onto the roof covering.

Built-up roofing system: Multiple layers of asphalt and also ply sheets bound together.

Butt edge: The lower side of the roof shingles tabs.

Caulk: To fill a joint to avoid leakages.

Shut valley: The valley flashing is covered by tiles.

Finish: A layer of thick asphalt put on the external roof covering surface area to protect the roof membrane.

Collar: Pre-formed flange positioned over an air vent pipe to seal the roof covering around the vent pipe opening. Called a vent sleeve.

Hidden nail method: Application of roll roof in which all nails are covered by a sealed, overlapping course.

Counter flashing: That part of the flashing connected to an upright surface above the aircraft of the roof covering to stop water from moving behind the base flashing.

Training course: Row of shingles that can run horizontally, diagonally or up and down.

Cricket: An actually peaked water diverter installed at the rear of a smokeshaft to avoid accumulation of snow as well as ice and also to disperse water.

Deck: The leading surface area of which a roofing system is used, surface area set up over the sustaining framing participants.

Double insurance coverage: Asphalt roofing whose lapped portion is at the very least 2 inches bigger than the revealed part, causing two layers of roof product over the deck.

Downspout: A pipeline for draining pipes water from roofing system seamless gutters to drain. Called a leader.

Drip edge: L-shaped blinking used along the eaves and also rakes to allow water run-off into the gutters and to drip free from underlying construction.

Eave: The part of the roofing that looms or prolongs outside as well as is not straight over the exterior walls or the buildings inside.

Subjected nail technique: Application of roll roofing where nails are driven right into the overlapping program of roofing. Nails are exposed to the elements.

Fascia: A timber trim board utilized to conceal the cut finishes of the roof covering’s rafters and also sheathing.

Felt: Fibrous product used as an underlayment or sheathing paper, defines roll roofing materials.

Blinking: Pieces of metal or roll roof covering made use of to form water seal around air vent pipes, chimneys, adjacent walls, dormers as well as valleys.

Gable: The end of an outside wall that concerns a triangular point at the ridge of a sloping roofing system.

Granules: Ceramic-coated and terminated crushed rock that is applied as the leading surface of asphalt roof products.

Seamless gutter: The trough that channels water from the eaves to the downspouts. Usually affixed to the fascia.

Head lap: An overlapping of roof shingles or roofing felt at their upper edge.

Hip: The layer or vertical ridge created by the intersection of 2 sloping roof covering airplanes. Ranges from the ridge to the eaves.

Ice dam: Condition developing water back-up at the eave locations by the thawing as well as re-freezing of melted snow on the overhang. Can force water under shingles, creating leakages.

Interlocking tiles: Individual tiles that mechanically fasten to every other to provide wind resistance.

Laminated roof shingles: Strip shingles made of two different items laminated with each other to create added density. Called three-dimensional and architectural shingles.

Lap: Surface where one roof shingles or roll overlaps with another throughout the application process.

Mansard roof: A design with a virtually vertical roof covering aircraft connected to a roof covering airplane of less slope at its top. Consists of no gables.


Mineral stabilizers: Finely ground limestone, slate, traprock or other inert products contributed to asphalt coatings for sturdiness and enhanced resistance to fire as well as weathering.

Nesting: A method of reroofing, setting up a 2nd layer of brand-new asphalt roof shingles, in which the top edge of the new shingle is butted against the bottom side of the existing roof shingles tab.

Pitch: The degree of roofing incline expressed as the proportion of the surge, in feet, to the span, in feet.

Low Slope – Roof pitches that are much less than 30 degrees.

Typical Slope – Roof pitches that are in between 30 and also 45 degrees.

Steep Slope – Roof pitches that are more than 45 levels.

Rafter: The supporting framing that comprises the roofing system framework; right away below the deck; the roof covering sheathing is toenailed to the rafters.

kenosha roofers : The likely side of a sloped roof covering over a wall from the eave to the ridge. They can be close or expanded.

Ridge: The straight outside angle created by the crossway of 2 sloping sides of a roof at the highest point of the roofing, hip or dormer.

Run: The horizontal distance in between the eaves as well as a point straight under the ridge; or one half the span.

Selvage: That part of roll roofing overlapped by the application of the roof covering to acquire double protection.

Sheathing: Exterior grade boards utilized as a roof deck product.

Dropped roofing system: A solitary roof covering plane with no hips, ridges, valleys or gables, not connected to any kind of other roofs.

Incline: The level of roof slope shared as the proportion of the rise, in inches, to the run, in feet.

Smooth-surfaced roof: Roll roof covering that is covered with ground talc or mica instead of granules (layered).

Soffit: The completed bottom of the eaves that expands from the fascia to the exterior siding and hides all-time low of an overhang.

Dirt stack: A vent pipe that permeates the roof.

Period: The straight range from eaves to eaves.

Specialized eaves blinking membrane layer: A self-adhering, waterproofing tile underlayment developed to secure against water infiltration as a result of ice dams or wind driven rainfall.

Starter strip: Asphalt roof covering used at the eaves as the initial training course of tiles mounted.

Tab: The weather revealed surface area of strip roof shingles in between the intermediaries.

Telegraphing: Shingles mounted over an irregular surface area that show distortion.

Truss – A mix of light beams, bars as well as ties, generally in triangular devices to form a structure for assistance in broad period roofing system construction.

UL tag: Label presented on product packaging to indicate the level of fire and/or wind resistance of asphalt roof.

Underlayment: A layer of asphalt based rolled products mounted under main roofing product prior to roof shingles are mounted to provide extra protection for the deck.

Valley: The internal angle developed by the junction of 2 likely roofing surface areas to give water overflow.

Vapor barrier/retarder: Any material that avoids the flow of water or water vapor with it.

Vent: Any device set up on the roofing system as an electrical outlet for air to ventilate the bottom of the roofing deck.

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