Notes

Roof covering Terminology
Knowing common roof covering terminology will assist you as a home owner to create an knowledgeable decision about roof covering materials which are excellent matches for your home's style along with the area in which an individual live. It will certainly also help an individual understand the contract with your roofing professional and the task updates.
Some important roofing terms will be listed below:

Asphalt: A waterproofing real estate agent placed on roofing materials during manufacturing.

View website : An asphalt-based sealant used to bond roof covering materials. Also recognized as flashing concrete, roof tar, half truths or mastic.

Again surfacing: Granular materials applied to typically the back side involving shingles to hold them from sticking during delivery and safe-keeping.

Base flashing: Of which portion of typically the flashing attached to or resting in the deck to be able to direct the stream of water on the roof.

Built-up roof: Multiple levels of asphalt and even ply sheets bonded together.

Butt edge: The bottom edge from the shingle tab.

Caulk: To fill up a joint to prevent leaks.

Shut valley: The valley flashing is included by shingles.

Layer: A layer regarding viscous asphalt placed on the outer roof structure surface to safeguard the roof tissue layer.

Collar: Pre-formed flange placed over a new vent pipe in order to seal the roof structure around the in-take pipe opening. Also known as a vent outter.

Concealed nail technique: Application of throw roofing in which often all nails happen to be covered by a cemented, overlapping study course.

You can find out more flashing: That portion of the particular flashing attached in order to a vertical area above the plane of the roofing to stop water coming from migrating behind the particular base flashing.

Study course: Row of shingles that can run horizontally, diagonally or perhaps vertically.

Cricket: The peaked water diverter installed at the particular back of a chimney to stop accumulation of ideal and ice and also to deflect water.

Deck: The top surface of which a roof top product is applied, surface installed over typically the supporting framing users.

Double coverage: Asphalt roofing whose lapped portion reaches minimum two inches wider than the uncovered portion, resulting within two layers involving roofing material more than the deck.

Downspout: A pipe intended for draining water by roof gutters to be able to drain. Also named a leader.

Drip border: L-shaped flashing used across the eaves and even rakes to permit water run-off directly into the gutters and drip clear involving underlying construction.

Eave: Fault the roof top that overhangs or extends outward plus is not immediately over the exterior surfaces or perhaps the buildings rooms.


Exposed nail technique: Application of roll roofing where nails are usually driven into the overlapping course of roofer. Nails are exposed to typically the elements.

Fascia: A new wood trim panel used to hide the cut stops from the roof's rafters and sheathing.

Felt: Fibrous material used as an underlayment or sheathing report, describes roll roofing materials.

Flashing: Items of metal or spin roofing used in order to form water close up around vent water lines, chimneys, adjoining walls, dormers and valleys.

Gable: The end of an outside wall that comes to a triangular level at the ridge of a sloping roof top.

Granules: Ceramic-coated in addition to fired crushed mountain that is certainly applied while the top area of asphalt roofer products.

Gutter: Typically the trough that programs water from the eaves to the downspouts. Usually attached in order to the fascia.

Mind lap: An overlapping of shingles or roofing felt from their upper advantage.

Hip: The times or vertical ridge formed by typically the intersection of 2 sloping roof aircraft. Runs through the ridge to the eaves.

Ice dam: Condition forming water backing up at the eave areas by typically the thawing and re-freezing of melted ideal on the overhang. Can force drinking water under shingles, causing leaks.

Interlocking shingles: Individual shingles of which mechanically fasten to each other to provide blowing wind resistance.

Laminated shingles: Strip shingles built of two independent pieces laminated together to create extra thickness. Also referred to as three-dimensional and system shingles.

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

Mansard roof: A design with a nearly vertical roof aircraft connected to a roof plane regarding less slope from its peak. Contains no gables.

Nutrient stabilizers: Finely ground limestone, slate, traprock or other inert materials added to be able to asphalt coatings intended for durability and improved resistance to open fire and weathering.

Nesting: A method involving reroofing, installing a second layer of new asphalt shingles, where the top edge from the new shingle will be butted against typically the base of the particular existing shingle hook.

Pitch: The level of roof incline expressed because the ratio from the rise, in toes, to the period, in feet.

Low Slope - Roof top pitches that happen to be less than 30 degrees.

Normal Slope - Roof pitches that are involving 30 and 45 degrees.

Steep Incline - Roof pitches which can be more than 45 degrees.

Rafter: The supporting mounting that makes the roof structure; immediately beneath the deck; the roof sheathing is nailed to typically the rafters.

Rake: The particular inclined edge regarding a sloped roof top over a walls in the eave in order to the ridge. That they can be in close proximity or extended.

Ridge: The horizontal external angle formed by the intersection associated with two sloping attributes of a roof top at the maximum point of typically the roof, hip or dormer.

Run: The horizontal distance between the eaves plus a point directly beneath the ridge; or one half the span.

Selvage: That portion associated with roll roofing overlapped by the application regarding the roof masking to obtain dual coverage.

Sheathing: External grade boards utilized like a roof floor material.

Shed roof structure: An individual roof planes without hips, textures, valleys or gables, not connected in order to any other rooftops.

Slope: The education of roof slope expressed as being the proportion of the rise, in inches, towards the run, in toes.

Smooth-surfaced roofing: Move roofing that is covered with ground talc or granello rather than granules (coated).

Soffit: The done underside of the eaves that stretches from the structure to the house and hides the particular bottom of a hang over.

Soil stack: Some sort of vent pipe that penetrates the roof.

Span: The horizontal range from eaves in order to eaves.

Specialty eaves flashing membrane: A new self-adhering, waterproofing shingle underlayment created to shield against water infiltration due to ice cubes dams or wind flow driven rain.

Basic strip: Asphalt roof covering applied at typically the eaves since the 1st course of shingles installed.

Tab: The elements exposed surface involving strip shingles involving the cutouts.

Telegraphing: Shingles installed over a good uneven surface that show distortion.

Truss - A mixture of beams, cafes and ties, normally in triangular devices to form the framework for support in wide period roof construction.

UL label: Label viewed on packaging to indicate the degree of fire and/or wind resistance of asphalt roofing.

Underlayment: A layer regarding asphalt based rolled materials installed under main roofing materials before shingles are installed to offer additional protection intended for the deck.

Area: The internal position formed by typically the intersection of a couple of inclined roof areas to offer water runoff.

Vapor barrier/retarder: Any kind of material that prevents the passage of water or drinking water vapor through this.

Vent: Any system installed on the roof as an store for air to ventilate the bottom of the roof top deck.

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