Monday, February 6, 2012

Kirkland Roofing Terminology | | Home ... - Home Improvement

Knowing common roofing lingo will enable you as a property owner to make an informed choice about roofing supplies that are great matches for your home?s style and the region in which you reside. It will also aid you realize the deal with your roofing professional and the undertaking updates.

Some crucial roofing terms are outlined beneath:

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Asphalt: A waterproofing agent used to roofing materials in the course of manufacturing.

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Asphalt plastic roofing cement: An asphalt-based sealant utilised to bond roofing materials. Also recognized as flashing cement, roof tar, bull or mastic.

Back surfacing: Granular materials utilized to the back again side of shingles to maintain them from sticking for the duration of delivery and storage.

Base flashing: That portion of the flashing connected to or resting on the deck to immediate the flow of drinking water onto the roof.

Constructed-up roof: Several layers of asphalt and ply sheets bonded together.

Butt edge: The bottom edge of the shingle tabs.

Caulk: To fill a joint to prevent leaks.

Closed valley: The valley flashing is lined by shingles.

Coating: A layer of viscous asphalt used to the outer roof surface area to defend the roof membrane.

Collar: Pre-shaped flange put over a vent pipe to seal the roof about the vent pipe opening.

Also referred to as a vent sleeve.

Concealed nail approach: Software of roll roofing in which all nails are covered by a cemented, overlapping training course.

Counter flashing: That portion of the flashing hooked up to a vertical floor above the airplane of the roof to stop water from migrating driving the base flashing.

Training course: Row of shingles that can operate horizontally, diagonally or vertically.

Cricket: A peaked h2o diverter mounted at the back again of a chimney to stop accumulation of snow and ice and to deflect water.

Deck: The leading surface area of which a roof method is utilized, surface area set up over the supporting framing members.

Ambigu coverage: Asphalt roofing whose lapped part is at least two inches wider than the uncovered part, ensuing in two layers of roofing substance above the deck.

Downspout: A pipe for draining h2o from roof gutters to drain.

Also named a leader.

Drip edge: L-shaped flashing utilised alongside the eaves and rakes to let water run-off into the gutters and to drip crystal clear of underlying building.

Eave: The part of the roof that overhangs or extends outward and is not directly above the exterior partitions or the structures inside.

Uncovered nail method: App of roll roofing exactly where nails are driven into the overlapping course of roofing. Nails are uncovered to the aspects.

Fascia: A wooden trim board utilised to cover the minimize ends of the roof?s rafters and sheathing.

Felt: Fibrous content utilized as an underlayment or sheathing paper, describes roll roofing supplies.

Flashing: Items of steel or roll roofing used to form drinking water seal close to vent pipes, chimneys, adjoining walls, dormers and valleys.

Gable: The end of an exterior wall that arrives to a triangular stage at the ridge of a sloping roof.

Granules: Ceramic-coated and fired crushed rock that is utilized as the top rated surface area of asphalt roofing merchandise.

Gutter: The trough that channels h2o from the eaves to the downspouts. Usually connected to the fascia.

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

Hip: The fold or vertical ridge shaped by the intersection of two sloping roof planes. Runs from the ridge to the eaves.

Ice dam: Condition forming water back-up at the eave areas by the thawing and re-freezing of melted snow on the overhang. Can drive h2o underneath shingles, causing leaks.

Interlocking shingles: Individual shingles that mechanically fasten to each other to give wind resistance.

Laminated shingles: Strip shingles made of two separate parts laminated collectively to create additional thickness. Also named three-dimensional and architectural shingles.

Lap: Surface exactly where one particular shingle or roll overlaps with one more for the duration of the app method.

Mansard roof: A style with a virtually vertical roof plane linked to a roof plane of a lot less slope at its peak. Includes no gables.

Mineral stabilizers: Finely ground limestone, slate, traprock or other inert materials additional to asphalt coatings for durability and improved resistance to fire and weathering.

Nesting: A approach of reroofing, installing a second layer of new asphalt shingles, in which the leading edge of the new shingle is butted versus the bottom edge of the present shingle tab.

Pitch: The degree of roof incline expressed as the ratio of the rise, in ft, to the span, in ft.

Lower Slope ? Roof pitches that are less than thirty degrees.

Typical Slope ? Roof pitches that are amongst 30 and 45 degrees.

Steep Slope ? Roof pitches that are a lot more than forty five degrees.

Rafter: The supporting framing that makes up the roof construction immediately beneath the deck the roof sheathing is nailed to the rafters.

Rake: The inclined edge of a sloped roof more than a wall from the eave to the ridge. They can be near or prolonged.

Ridge: The horizontal external angle formed by the intersection of two sloping sides of a roof at the greatest position of the roof, hip or dormer.

Run: The horizontal distance between the eaves and a position immediately underneath the ridge or one fifty percent the span.

Selvage: That portion of roll roofing overlapped by the software of the roof covering to get double protection.

Sheathing: Exterior grade boards employed as a roof deck materials.

Shed roof: A single roof aircraft with no hips, ridges, valleys or gables, not related to any other roofs.

Slope: The diploma of roof incline expressed as the ratio of the rise, in inches, to the operate, in ft.

Smooth-surfaced roofing: Roll roofing that is covered with floor talc or mica rather of granules (coated).

Soffit: The finished underside of the eaves that extends from the fascia to the siding and hides the bottom of an overhang.

Soil stack: A vent pipe that penetrates the roof.

Span: The horizontal distance from eaves to eaves.

Specialty eaves flashing membrane: A self-adhering, waterproofing shingle underlayment created to shield in opposition to drinking water infiltration due to ice dams or wind driven rain.

Starter strip: Asphalt roofing utilized at the eaves as the very first program of shingles put in.

Tab: The weather conditions exposed surface area of strip shingles amongst the cutouts.

Telegraphing: Shingles mounted over an uneven floor that show distortion.

Truss ? A mixture of beams, bars and ties, typically in triangular units to kind a framework for assistance in broad span roof building.

UL label: Label exhibited on packaging to reveal the level of hearth and/or wind resistance of asphalt roofing.

Underlayment: A layer of asphalt dependent rolled materials mounted underneath main roofing content just before shingles are mounted to give extra safety for the deck.

Valley: The inner angle formed by the intersection of two inclined roof surfaces to provide drinking water runoff.

Vapor barrier/retarder: Any material that prevents the passage of drinking water or water vapor by way of it.

Vent: Any system mounted on the roof as an outlet for air to ventilate the underside of the roof deck.

Kirkland Roofing is a roof contractor specializing in various types of commercial, multi-family & residential roofing including: roof restorations and coatings, single ply roofing systems, and various other flat roofing membranes.

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