what temperatures do asphalt shingles need to seal

Below are common terms and phrases associated with residential roofing.

A | B | C | D | East | F | One thousand | H | I | J | K | Fifty | One thousand | N | O | P | Q | R | S | T | U | 5 | W | Ten | Y | Z |

A

Algae discoloration: A type of roof discoloration caused past algae. Commonly called mucus growth.

American method: Awarding of giant private shingles with the long dimension parallel to the rake. Shingles are applied with a 3/4-inch space between adjacent shingles in a course.

ASTM: American Society for Testing and Materials. A voluntary organisation concerned with development of consensus standards, testing procedures and specifications.

Asphalt: A bituminous waterproofing agent applied to roofing materials during manufacturing.

Asphalt plastic roofing cement: An cobblestone-based cement used to bail roofing materials. Also known as flashing cement or mastic; should conform to ASTM D-4586.

B

Dorsum Surfacing: Fine mineral matter applied to the back side of shingles to keep them from sticking.

Counterbalanced organisation: A ventilation organisation where 50% of the required ventilating area is provided past vents located in the upper portion of the roof with the residuum provided by undereave or soffit vents.

Base flashing: That portion of the flashing attached to or resting on the deck to direct the flow of water onto the roof covering.

Blisters: Bubbles that may appear on the surface of asphalt roofing after installation.

Brands: Airborne called-for embers released from a burn.

Bridging: A method of reroofing with metric-sized shingles.

Built-up roof: A flat or low-sloped roof consisting of multiple layers of cobblestone and ply sheets.

Package: A package of shingles. There are 3, 4 or 5 bundles per square.

Barrel edge: The lower edge of the shingle tabs.

C

Caulk: To fill a articulation with mastic or cobblestone cement to prevent leaks.

Cement: Run into Asphalt plastic covering cement.

Chalk line: A line made on the roof by snapping a taut cord or cord dusted with chalk. Used for alignment purposes.

Class "A": The highest burn-resistance rating for roofing as per ASTM Due east-108. Indicates roofing is able to withstand severe exposure to fire originating from sources outside the edifice.

Class "B": Fire-resistance rating that indicates roofing materials are able to withstand moderate exposure to fire originating from sources outside the edifice.

Class "C": Fire-resistance rating that indicates roofing materials are able to withstand light exposure to fire originating from sources exterior the building.

Closed cut valley: A method of valley treatment in which shingles from i side of the valley extend across the valley while shingles from the other side are trimmed 2 inches from the valley centerline. The valley flashing is non exposed.

Coating: A layer of viscous asphalt practical to the base material into which granules or other surfacing is embedded.

Collar: Pre-formed flange placed over a vent pipe to seal the roof effectually the vent piping opening. Too called a vent sleeve.

Curtained nail method: Application of roll roofing in which all nails are driven into the underlying form of roofing and covered by a cemented, overlapping course. Nails are not exposed to the weather.

Condensation: The modify of water from vapor to liquid when warm, moisture-laden air comes in contact with a cold surface.

Counter flashing: That portion of the flashing fastened to a vertical surface to prevent water from migrating backside the base flashing.

Grade: A row of shingles or roll roofing running the length of the roof.

Coverage: Amount of weather protection provided by the roofing material. Depends on number of layers of material between the exposed surface of the roofing and the deck; i.eastward., single coverage, double coverage, etc.

Cricket: A peaked saddle construction at the back of a chimney to forbid aggregating of snow and ice and to deflect h2o around the chimney.

Cutout: The open up portions of a strip shingle between the tabs.

D

Damper: An adjustable plate for controlling draft.

Deck: The surface installed over the supporting framing members to which the roofing is applied.

Dormer: A framed window unit projecting through the sloping plane of a roof.

Double coverage: Application of asphalt covering such that the lapped portion is at least two inches wider than the exposed portion, resulting in two layers of covering material over the deck.

Downspout: A pipe for draining water from roof gutters. Also chosen a leader.

Baste edge: A non-corrosive, non-staining material used along the eaves and rakes to allow h2o run-off to drip clear of underlying construction.

Dutch lap method: Application of giant individual shingles with the long dimension parallel to the eaves. Shingles are applied to overlap side by side shingles in each class too as the course beneath.

E

Eaves: The horizontal, lower edge of a sloped roof.

Eaves flashing: Boosted layer of roofing material applied at the eaves to help prevent damage from water back-up.

Edging strips: Boards nailed along eaves and rakes after cutting back existing wood shingles to provide secure edges for reroofing with asphalt shingles.

Ell: An extension of a building at right angles to its length.

Exposed nail method: Awarding of roll roofing in which all nails are driven into the cemented, overlapping course of roofing. Nails are exposed to the atmospheric condition.

Exposure I grade plywood: Type of plywood approved by the American Plywood Association for exterior use.

F

Feathering strips: Tapered forest filler strips placed along the butts of old wood shingles to create a level surface when reroofing over existing wood shingle roofs. Also called horsefeathers.

Felt: Fibrous material saturated with asphalt and used as an underlayment or sheathing paper.

Fiber glass mat: An asphalt roofing base fabric manufactured from glass fibers.

Flashing: Pieces of metallic or roll roofing used to prevent seepage of water into a edifice effectually any intersection or projection in a roof such equally vent pipes, chimneys, adjoining walls, dormers and valleys. Galvanized metal flashing should be minimum 26-gauge.

Flashing Cement: Meet cobblestone plastic covering cement.

FM: Factory Mutual Research Corp.

Costless-tab shingles: Shingles that practice not contain factory-applied strips or spots of self-sealing adhesive.

G

Gable: The upper portion of a sidewall that comes to a triangular signal at the ridge of a sloping roof.

Gable roof: A type of roof containing sloping planes of the same pitch on each side of the ridge. Contains a gable at each end.

Gambrel roof: A type of roof containing two sloping planes of different pitch on each side of the ridge. The lower plane has a steeper gradient than the upper. Contains a gable at each end.

Granules: Ceramic-coated coloured crushed stone that is applied to the exposed surface of asphalt roofing products.

Gutter: The trough that channels water from the eaves to the downspouts.

H

Head lap: Shortest distance from the butt border of an overlapping shingle to the upper edge of a shingle in the 2d course below. The triple coverage portion of the acme lap of strip shingles.

HEX shingles: Shingles that have the advent of a hexagon subsequently installation.

Hip: The inclined external angle formed past the intersection of two sloping roof planes. Runs from the ridge to the eaves.

Hip roof: A type of roof containing sloping planes of the same pitch on each of 4 sides. Contains no gables.

Hip shingles: Shingles used to cover the inclined external bending formed past the intersection of 2 sloping roof planes.

Horsefeathers: See feathering strips.

I

Ice dam: Condition formed at the lower roof edge by the thawing and re-freezing of melted snow on the overhang. Can strength water upwards and nether shingles, causing leaks.

Interlocking shingles: Private shingles that mechanically fasten to each other to provide wind resistance.

Fifty

Laminated shingles: Strip shingles containing more than than one layer of tabs to create actress thickness. Also called three-dimensional shingles.

Lap: To cover the surface of ane shingle or scroll with another.

Lap cement: An cobblestone-based cement used to adhere overlapping plies of curl roofing.

Low slope application: Method of installing asphalt shingles on roof slopes between 2 and iv inches per foot.

Louver: A slanted opening for ventilation.

M

Mansard roof: A type of roof containing 2 sloping planes of different pitch on each of four sides. The lower aeroplane has a much steeper pitch than the upper, often approaching vertical. Contains no gables.

Masonry primer: An asphalt-based primer used to prepare masonry surfaces for bonding with other asphalt products.

Mastic: See asphalt plastic roofing cement.

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

Mineral-surfaced roofing: Cobblestone shingles and scroll roofing that are covered with granules.

N

Natural ventilation: A ventilation system utilizing ventilators installed in openings in the attic and properly positioned to have reward of natural air menstruum to draw hot summertime or moist wintertime air out and supervene upon it with fresh outside air.

Nesting: A method of reroofing with new asphalt shingles over onetime shingles in which the top edge of the new shingle is butted against the bottom edge of the existing shingle tab.

Net free area: Surface area unobstructed by screens, louvers or other materials.

No-cutout shingles: Shingles consisting of a single, solid tab with no cutouts.

Non-veneer console: Any wood based panel that does not contain veneer and carries an APA bridge rating, such every bit wafer lath or oriented strand board.

Normal gradient application: Method of installing cobblestone shingles on roof slopes betwixt 4 inches and 21 inches per foot.

O

Open up valley: Method of valley construction in which shingles on both sides of the valley are trimmed along a chalk line snapped on each side of the valley. Shingles exercise not extend across the valley. Valley flashing is exposed.

Organic felt: An asphalt roofing base fabric manufactured from cellulose fibers.

Overhang: That portion of the roof structure that extends across the exterior walls of a building.

P

Pallets: Wooden platforms used for storing and aircraft bundles of shingles.

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

Plastic Cement: A compound used to seal flashings and in some cases to seal down shingles as well as for other small waterproofing jobs. Where plastic cement is required for sealing downwardly shingles, utilize a dab about the size of a quarter unless otherwise specified.

Ply: The number of layers of covering: i.east. one-ply, two-ply.

Q

Quick-setting cement: An asphalt-based cement used to attach tabs of strip shingles to the class below. Also used to adhere roll roofing laps practical past the concealed smash method.

R

Racking: Roofing awarding method in which shingle courses are applied vertically up the roof rather than across and up. Not a recommended procedure.

Rafter: The supporting framing member immediately below the deck, sloping from the ridge to the wall plate.

Rake: The inclined edge of a sloped roof over a wall from the eave to the ridge.

Random-tab shingles: Shingles on which tabs vary in size and exposure.

Release tape: A plastic or paper strip that is practical to the back of self-sealing shingles. This strip prevents the shingles from sticking together in the bundles, and need non exist removed for application.

Ridge: The uppermost, horizontal external angle formed by the intersection of two sloping roof planes.

Ridge shingles: Shingles used to cover the horizontal external angle formed past the intersection of two sloping roof planes.

Rise: The vertical distance from the eaves line to the ridge.

Roll roofing: Asphalt covering products manufactured in coil form.

Roofing record: An asphalt-saturated record used with asphalt cements for flashing and patching cobblestone roofing.

Run: The horizontal distance from the eaves to a betoken directly nether the ridge. One one-half the span.

S

Saturant: Asphalt used to impregnate an organic felt base material.

Saturated felt: An cobblestone-impregnated felt used as an underlayment between the deck and the covering material.

Self-sealing cement: A thermal-sealing tab cement congenital into the shingle to firmly cement the shingles together automatically later they have been applied properly and exposed to warm dominicus temperatures. In warm seasons, the seal will be complete in a matter of days. In colder seasons, sealing time depends on the temperature and corporeality of direct sunlight hitting the shingles. Mitt sealing with plastic cement should be done to ensure sealing in winter.

Self-sealing shingles: Shingles containing manufactory-practical strips or spots of self-sealing agglutinative.

Cocky-sealing strip or spot: Factory-applied adhesive that bonds shingle courses together when exposed to the oestrus of the sun after application.

Selvage: That portion of roll roofing overlapped by the succeeding class to obtain double coverage.

Shading: Slight differences in shingle colour that may occur as a consequence of normal manufacturing operations.

Capsule: Exterior grade boards used as a roof deck material.

Shed roof: A roof containing only 1 sloping plane. Has no hips, ridges, valleys or gables.

Single coverage: Asphalt covering that provides one layer of roofing material over the deck.

Slope: The degree of roof incline expressed as the ratio of the rise, in inches, to the run, in feet.

Shine-surfaced roofing: Roll roofing that is covered with basis talc or mica instead of granules (coated).

Soffit: The finished underside of the eaves.

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 designed to protect confronting water infiltration due to ice dams or wind driven pelting.

Foursquare: A unit of roof measure out covering 100 square anxiety.

Square-tab shingles: Shingles on which tabs are all the same size and exposure.

Starter strip: Asphalt covering applied at the eaves that provides protection by filling in the spaces under the cutouts and joints of the get-go course of shingles.

Steep slope application: Method of installing cobblestone shingles on roof slopes greater than 21 inches per human foot.

Pace flashing: Flashing application method used where a vertical surface meets a sloping roof plane.

Strip shingles: Asphalt shingles that are approximately iii times as long every bit they are wide.

T

Tab: The exposed portion of strip shingles defined by cutouts.

Talc: Run across back surfacing.

Telegraphing: A shingle distortion that may arise when a new roof is applied over an uneven surface.

Three-dimensional shingles: See laminated shingles.

Three-tab shingle: The most popular blazon of asphalt shingle usually 12" ten 36" in size with 3 tabs.

Acme lap: That portion of the roofing covered by the succeeding course after installation.

U

UL: Underwriters Laboratories, Inc.

UL label: Characterization displayed on packaging to bespeak the level of burn down and/or current of air resistance of asphalt roofing.

Undereave: Underside area of the overhang at the eave of the roof.

Underlayment: A layer of asphalt saturated (sometimes referred to as tar paper) which is laid down on a blank deck before shingles are installed to provide additional protection for the deck.

5

Valley: The internal angle formed by the intersection of two sloping roof planes to provide h2o runoff.

Vapor retarder: Whatever fabric used to prevent the passage of water vapor. Material which, when installed on the loftier vapor pressure level (warm in winter) side of a fabric, retards the passage of moisture vapor to the lower pressure level (common cold in wintertime) side. Note exception: Florida and Gulf Coast. Check local building codes to determine what side the vapor retarder should exist placed.

Vent: Any outlet for air that protrudes through the roof deck such as a pipe or stack. Any device installed on the roof, gable or soffit for the purpose of ventilating the underside of the roof deck.

Vent sleeve: See collar.

Ventilators: Devices that eject stale air and circulates fresh air (i.e., ridge, roof, gable, undereave, foundation or rafter vents and vented soffit panels.)

Westward

Woven Valley: Method of valley construction in which shingles from both sides of the valley extend across the valley and are woven together by overlapping alternate courses equally they are applied. The valley flashing is not exposed.

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Source: https://roofingca.owenscorning.com/homeowner/thingsyoushouldknow/terms.aspx

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