Worthington RoofInstallation

A.
Absorption: the capability of a product to accept within its body quantities of gases or liquid, such as moisture.
Accelerated Wear and tear: the process in which products are subjected to a controlled setting where different direct exposures such as warmth, water, condensation, or light are become amplify their results, consequently accelerating the weathering procedure. The material's physical residential properties are measured hereafter process as well as contrasted to the original properties of the unexposed material, or to the properties of the material that has actually been exposed to natural weathering.
Adhere: to create two surfaces to be held together by bond, typically with asphalt or roofing cements in built-up roofing and also with contact cements in some single-ply membranes.
Accumulation: rock, rock, crushed stone, smashed slag, water-worn crushed rock or marble chips used for emerging and/or ballasting a roof system.
Aging: the impact on products that are revealed to a setting for a period of time.
Alligatoring: the breaking of the emerging asphalt on a built-up roof, generating a pattern of splits similar to an alligator's hide; the fractures may or might not expand through the emerging bitumen.
Light weight aluminum: a non-rusting metal in some cases utilized for steel roofing as well as blinking.
Ambient Temperature level: the temperature of the air; air temperature level.
Application Price: the amount (mass, volume, or density) of product used each location.
Apron Flashing: a term made use of for a flashing located at the point of the top of the sloped roof as well as an upright wall surface or steeper-sloped roof.
Building Tile: tile that offers a dimensional look.
Asphalt: a dark brownish or black material located in an all-natural state or, a lot more generally, left as a deposit after vaporizing or otherwise processing crude oil or oil.
Asphalt Solution: a blend of asphalt bits and an emulsifying agent such as bentonite clay and also water. These parts are integrated by using a chemical or a clay emulsifying agent and also blending or blending machinery.
Asphalt Felt: an asphalt-saturated and/or an asphalt-coated felt. (See Really Felt.).
Asphalt Roof Cement: a trowelable mixture of solvent-based asphalt, mineral stabilizers, various other fibers and/or fillers. Classified by ASTM Standard D 2822-91 Asphalt Roof Cement, and D 4586-92 Asphalt Roof Concrete, Asbestos-Free, Types I as well as II.
Attic: the cavity or open room over the ceiling and also instantly under the roof deck of a steep-sloped roof.
B.
Back-Nailing: (likewise described as Blind-Nailing) the method of nailing the back portion of a roofing ply, high roofing device, or various other parts in a way to ensure that the bolts are covered by the following sequential ply, or training course, as well as are not revealed to the climate in the ended up roof system.
Ballast: an anchoring product, such as aggregate, or precast concrete pavers, which employ the force of gravity to hold (or aid in holding) single-ply roof membranes in position.
Barrel Vault: a building account featuring a rounded profile to the roof on the short axis, but without any angle change on a cut along the long axis.
Base Flashing (membrane layer base blinking): plies or strips of roof membrane layer material utilized to close-off and/or seal a roof at the roof-to-vertical crossways, such as at a roof-to-wall juncture. Membrane layer base blinking covers the edge of the area membrane layer. (Additionally see Flashing.).
Base Ply: the lowermost ply of roofing in a roof membrane layer or roof system.
Base Sheet: a fertilized, saturated, or coated really felt placed as the first ply in some multi-ply built-up and also customized bitumen roof membrane layers.
Batten: (1) cap or cover; (2) in a steel roof: a steel closure established over, or covering the joint between, surrounding steel panels; (3) wood: a strip of timber normally set in or over the architectural deck, utilized to boost and/or attach a main roof covering such as ceramic tile; (4) in a membrane layer roof system: a narrow plastic, wood, or metal bar which is utilized to attach or hold the roof membrane and/or base flashing in position.
Batten Seam: a metal panel profile connected to as well as created around a diagonal wood or steel batten.
Asphalt: (1) a course of amorphous, black or dark colored, (solid, semi-solid, or viscous) cementitious sub-stances, all-natural or manufactured, made up mainly of high molecular weight hydrocarbons, soluble in carbon disulfide, and also located in oil asphalts, coal tars and also pitches, wood tars as well as asphalts; (2) a common term made use of to signify any type of material composed principally of bitumen, normally asphalt or coal tar.
Blackberry (often referred to as Blueberry or Tar-Boil): a small bubble or blister in the flooding layer of an aggregate-surfaced built-up roof membrane layer.
Blind-Nailing: using nails that are not exposed to the weather in the ended up roof.
Blister: an encased pocket of air, which might be mixed with water or solvent vapor, trapped between imper-meable layers of felt or membrane, or between the membrane layer as well as substrate.
Barring: sections of timber (which might be preservative treated) constructed right into a roof assembly, normally connected over the deck as well as below the membrane layer or flashing, made use of to tense the deck around an opening, act as a quit for insulation, sustain a visual, or to serve as a nailer for accessory of the membrane and/or flashing.
BOMA: Structure Owners & Managers Association.
Brake: hand- or power-activated equipment used to create metal.
British Thermal System (BTU): the heat required to increase the temperature of one pound of water one level Fahrenheit (joule).
Brooming: an action executed to assist in embedment of a ply of roofing material right into warm bitumen by using a mop, squeegee, or unique execute to ravel the ply as well as make certain contact with the bitumen or adhe-sive under the ply.
Bend: an upward, lengthened tenting variation of a roof membrane layer frequently taking place over insulation or deck joints. A buckle may be an indicator of activity within the roof assembly.
Building regulations: released laws and statutes established by an identified agency prescribing style tons, treatments, and also building and construction details for structures. Typically putting on assigned territories (city, region, state, and so on). Building ordinance regulate layout, building, as well as top quality of products, usage and also tenancy, area and also maintenance of buildings and also frameworks within the area for which the code has been adopted.
Built-Up Roof Membrane (BUR): a continuous, semi-flexible multi-ply roof membrane layer, containing plies or layers of saturated felts, coated felts, fabrics, or floor coverings between which alternating layers of asphalt are applied. Generally, built-up roof membranes are appeared with mineral accumulation and asphalt, a liquid-applied coat-ing, or a granule-surfaced cap sheet.
Bundle: a specific plan of shakes or shingles.
Butt Joint: a joint formed by adjacent, article separate areas of material, such as where 2 neighboring items of insulation abut.
Button Punch: a process of indenting two or even more densities of metal that are pressed versus each various other to avoid slippage between the metal.
Butyl: rubber-like product created by copolymerizing isobutylene with a small amount of isoprene. Butyl might be manufactured in sheets, or combined with other elastomeric products to make sealers and adhesives.
Butyl Layer: an elastomeric finish system derived from polymerized isobutylene. Butyl coatings are char-acterized by low water vapor permeability.
Butyl Rubber: a synthetic elastomer based on isobutylene and also a minor quantity of isoprene. It is vulcanizable and includes low leaks in the visit site structure to gases and also water vapor.
Butyl Tape: a sealant tape in some cases utilized between steel roof panel seams and also end laps; likewise utilized to secure other sorts of sheet metal joints, and in numerous sealer applications.
C.
Camber: a mild convex contour of a surface area, such as in a prestressed concrete deck.
Cover: any type of overhanging or projecting roof structure, generally over entryways or doors. Occasionally the extreme end is in need of support.
Cant: a beveling of foam at an ideal angle joint for stamina as well as water run off.
Cant Strip: a diagonal or triangular-shaped strip of wood, wood fiber, perlite, or other product made to function as a progressive transitional aircraft in between the horizontal surface of a roof deck or rigid insulation as well as an upright surface area.
Cap Flashing: normally made up of steel, made use of to cover or secure the upper sides of the membrane layer base flashing, wall flashing, or primary flashing. (See Flashing and Coping.).
Cap Sheet: a granule-surface covered sheet utilized as the leading ply of some built-up or changed asphalt roof membrane layers and/or blinking.
Blood vessel Activity: the action that triggers motion of liquids by surface tension when touching 2 surrounding surface areas such as panel side laps.
Caulking: (1) the physical process of sealing a joint or juncture; (2) sealing and also making weather-tight the joints, joints, or spaces in between surrounding units by filling with a sealant.
Cavity Wall surface: a wall surface developed or set up to offer an air space within the wall (with or without shielding product), in which the inner and external products are tied together by structural framework.
CCF: 100 cubic feet.
Chalk: a grainy deposit on the surface of a material.
Chalk Line: a line made on the roof by breaking a taut string or cord cleaned with colored chalk. Used for placement functions.
Chalking: the destruction or migration of an ingredient, in paints, finishes, or other products.
Chimney: rock, masonry, erected steel, or a wood framed structure, consisting of one or more flues, projecting via as well as above the roof.
Cladding: a product used as the outside wall room of a structure.
Cleat: a steel strip, plate or metal angle piece, either continual or private (" clip"), made use of to protect 2 or more elements with each other.
Closed-Cut Valley: a technique of valley application in which shingles from one side of the valley extend throughout the valley while shingles from the opposite side are trimmed back about 2 inches (51mm) from the valley centerline.
Closure Strip: a steel or durable strip, such as neoprene foam, used to close openings produced by signing up with metal panels or sheets as well as flashings.
Coal Tar: a dark brownish to black tinted, semi-solid hydrocarbon obtained as deposit from the partial evapo-ration or purification of coal tars. Coal tar pitch is further improved to comply with the complying with roofing quality specifications:.
Coal Tar Asphalt: a proprietary trade name for Kind III coal tar made use of as the dampproofing or waterproof-ing representative in dead-level or low-slope built-up roof membranes, adapting ASTM D 450, Kind III.
Coal Tar Pitch: a coal tar made use of as the waterproofing agent in dead-level or low-slope built-up roof mem-branes, complying with ASTM Spec D 450, Kind I or Kind III.
Coal Tar Waterproofing Pitch: a coal tar used as the dampproofing or waterproofing agent in below-grade structures, adapting ASTM Spec D 450, Kind II.
Layered Base Sheet: a felt that has previously been saturated (filled or fertilized) with asphalt and later covered with harder, more viscous asphalt, which significantly raises its impermeability to dampness.
Layered Textile: textiles that have actually been fertilized and/or covered with a plastic-like material in the type of an option, dispersion hot-melt, or powder. The term likewise applies to materials arising from the application of a preformed film to a fabric by means of calendering.
Coated Felt (Sheet): (1) an asphalt-saturated really felt that has actually likewise been coated on both sides with tougher, extra thick "coating" asphalt; (2) a glass fiber really felt that has been concurrently impregnated and also covered with asphalt on both sides.
Finishing: a layer of material spread over a surface area for security or decoration. Coatings for SPF are generally fluids, semi-liquids, or mastics; spray, roller, or brush applied; and also cured to an metal roof elastomeric uniformity.
Cohesion: the level of interior bonding of one substance to itself.
Cold Refine Built-Up Roof: a continuous, semi-flexible roof membrane layer, consisting of a ply or plies of felts, floor coverings or various other reinforcement materials that are laminated along with alternate layers of liquid-applied (generally asphalt-solvent based) roof cements or adhesives installed at ambient or a somewhat elevated temperature level.
Flammable: with the ability of burning.
Compatible Products: 2 or more materials that can be mixed, combined, or attached without dividing, reacting, or impacting the products adversely.
Structure Tile: an unit of asphalt tile roofing.
Concealed-Nail Method: a technique of asphalt roll roofing application in which all nails are driven right into the underlying course of roofing and covered by an adhered, overlapping course.
Condensation: the conversion of water vapor or various other gas to fluid state as the temperature level drops or atmos-pheric pressure increases. (Likewise see Humidity.).
Conductor Head: a shift part between a through-wall scupper and downspout to gather and also route run-off water.
Contact Cements: adhesives utilized to stick or bond different roofing elements. These adhesives stick mated parts promptly on call of surface areas to which the adhesive has been applied.
Contamination: the process of making a material or surface unclean or unsuited for its designated objective, generally by the enhancement or add-on of undesirable foreign substances.
Coping: the covering item on top of a wall which is subjected to the weather condition, normally made from metal, masonry, or stone. It is ideally sloped to lose water back onto the roof.
Copper: an all-natural weathering steel utilized in metal roofing; normally utilized in 16 or 20 ounce per square foot thickness (4.87 or 6.10 kg/sq m).
Cornice: the decorative horizontal molding or predicted roof overhang.
Counterflashing: formed metal sheeting safeguarded on or right into a wall, aesthetic, pipeline, rooftop unit, or various other surface area, to cover as well as safeguard the top side of the membrane base flashing or underlying steel flashing and connected bolts from exposure to the weather.
Training course: (1) the term utilized for each and every row of shingles of roofing material that forms the roofing, waterproofing, or blinking system; (2) one layer of a series of products put on a surface (e.g., a five-course wall surface flashing is made up of three applications of roof concrete with one ply of really felt or fabric sandwiched in between each layer of roof cement).
Coverage: the surface covered by a certain quantity of a specific material.
Cricket: a raised roof substrate or structure, created to divert water around a smokeshaft, curb, far from a wall surface, growth joint, or various other projection/penetration. (See Saddle.).
Cross Air flow: the impact that is offered when air actions through a roof tooth cavity between the vents.
Cupola: a fairly small roofed structure, usually set on the ridge or height of a main roof area.
Suppress: (1) a raised member utilized to sustain roof penetrations, such as skylights, mechanical devices, hatches, and so on over the level of the roof surface; (2) an elevated roof perimeter relatively reduced in elevation.
Treatment: a process where a product is created to create permanent molecular links by direct exposure to chemicals, warmth, stress, and/or weathering.
Cure Time: the moment required to impact healing. The moment required for a material to reach its desirable long-term physical attributes.
Cutoff: a long-term information designed to secure and avoid lateral water activity in an insulation system, and also used to separate areas of a roof. (Note: A cutoff is various from a tie-off, which might be a temporary or permanent seal.) (See Tie-Off.).
Cutout: the open sections of a strip shingle in between the tabs.