New Albany RoofInstallation

A.
Absorption: the ability of a material to approve within its body amounts of gases or liquid, such as dampness.
Accelerated Wear and tear: the procedure in which materials are subjected to a regulated environment where numerous exposures such as heat, water, condensation, or light are become amplify their effects, thus increasing the weathering process. The product's physical buildings are measured after this procedure and also compared to the initial residential or commercial properties of the unexposed product, or to the homes of the material that has been exposed to all-natural weathering.
Adhere: to create 2 surfaces to be held with each other by adhesion, generally with asphalt or roofing concretes in built-up roofing as well as with call concretes in some single-ply membranes.
Accumulation: rock, stone, crushed stone, crushed slag, water-worn gravel or marble chips made use of for appearing and/or ballasting a roof system.
Aging: the result on products that are revealed to an atmosphere for a period of time.
Alligatoring: the cracking of the surfacing asphalt on a built-up roof, generating a pattern of cracks similar to an alligator's conceal; the fractures might or may not expand through the emerging asphalt.
Aluminum: a non-rusting steel occasionally made use of for steel roofing and also blinking.
Ambient Temperature level: the temperature of the air; air temperature level.
Application Price: the amount (mass, volume, or thickness) of material applied per unit area.
Apron Flashing: a term made use of for a flashing situated at the point of the top of the sloped roof and also a vertical wall or steeper-sloped roof.
Architectural Tile: roof shingles that gives a dimensional appearance.
Asphalt: a dark brown or black compound discovered in an all-natural state or, extra generally, left as a residue after evaporating or otherwise refining petroleum or petroleum.
Asphalt Emulsion: a combination of asphalt particles as well as an emulsifying representative such as bentonite clay as well as water. These parts are incorporated by utilizing a chemical or a clay emulsifying representative and also blending or mixing equipment.
Asphalt Felt: an asphalt-saturated and/or an asphalt-coated really felt. (See Really Felt.).
Asphalt Roof Concrete: a trowelable blend of solvent-based asphalt, mineral stabilizers, various other fibers and/or fillers. Classified by ASTM Requirement D 2822-91 Asphalt Roof Cement, as well as D 4586-92 Asphalt Roof Concrete, Asbestos-Free, Kind I and also II.
Attic: the cavity or open space over the ceiling and also promptly under the roof deck of a steep-sloped roof.
B.
Back-Nailing: (also referred to as Blind-Nailing) the technique of toenailing the back section of a roofing ply, steep roofing device, or various other elements in a way to ensure that the bolts are covered by the next sequential ply, or course, and are not exposed to the climate in the completed roof system.
Ballast: an anchoring product, such as aggregate, or precast concrete pavers, which use the force of gravity to hold (or aid in holding) single-ply roof membrane layers in place.
Barrel Vault: a structure account featuring a rounded account to the roof on the brief axis, but without angle adjustment on a cut along the long axis.
Base Flashing (membrane layer base blinking): plies or strips of roof membrane product utilized to close-off and/or seal a roof at the roof-to-vertical junctions, such as at a roof-to-wall time. Membrane layer base blinking covers the edge of the field membrane. (Additionally see Blinking.).
Base Ply: the lowermost ply of roofing in a roof membrane or roof system.
Base Sheet: an impregnated, filled, or covered really felt positioned as the first ply in some multi-ply built-up and also modified asphalt roof membrane layers.
Batten: (1) cap or cover; (2) in a steel roof: a metal closure established over, or covering the joint in between, surrounding metal panels; (3) timber: a strip of wood generally set in or over the structural deck, made use of to elevate and/or affix a main roof covering such as tile; (4) in a membrane roof system: a narrow plastic, timber, or steel bar which is used to secure or hold the roof membrane layer and/or base flashing in position.
Batten Joint: a metal panel profile connected to and created around a diagonal wood or steel batten.
Asphalt: (1) a class of amorphous, black or dark colored, (solid, semi-solid, or thick) cementitious sub-stances, all-natural or manufactured, made up mainly of high molecular weight hydrocarbons, soluble in carbon disulfide, and also found in petroleum asphalts, coal tars and also pitches, timber tars and asphalts; (2) a common term made use of to denote any type of product made up principally of bitumen, commonly asphalt or coal tar.
Blackberry (sometimes referred to as Blueberry or Tar-Boil): a little bubble or sore in the flooding coating of an aggregate-surfaced built-up roof membrane.
Blind-Nailing: the use of nails that are not subjected to the weather condition in the ended up roof.
Sore: an encased pocket of air, which might be mixed with water or solvent vapor, trapped between imper-meable layers of felt or membrane layer, or between the membrane and substratum.
Stopping: sections of wood (which may be preservative treated) developed into a roof assembly, typically attached above the deck and below the membrane layer or blinking, used to stiffen the deck around an opening, serve as a quit for insulation, sustain an aesthetic, or to work as a nailer for accessory of the membrane and/or flashing.
BOMA: Building Owners & Managers Organization.
Brake: hand- or power-activated equipment utilized to form steel.
British Thermal Unit (BTU): the heat energy needed to increase the temperature level of one extra pound of water one degree Fahrenheit (joule).
Brooming: an action carried out to promote embedment of a ply of roofing product into warm asphalt by utilizing a mop, squeegee, or special implement to ravel the ply as well as guarantee call with the asphalt or adhe-sive under the ply.
Distort: an up, elongated tenting variation of a roof membrane layer regularly taking place over insulation or deck joints. A clasp might be an indication of movement within the roof setting up.
Building regulations: published laws as well as ordinances developed by a recognized firm prescribing layout tons, treatments, as well as construction details for frameworks. Usually relating to designated territories (city, county, state, etc.). Building regulations regulate style, building and construction, and top quality of materials, use as well as tenancy, location as well as upkeep of buildings as well as frameworks within the area for which the code has actually been taken on.
Built-Up Roof Membrane (BUR): a constant, semi-flexible multi-ply roof membrane layer, consisting of plies or layers of saturated felts, covered felts, textiles, or floor coverings between go to this site which alternating layers of asphalt are used. Normally, built-up roof membranes are surfaced with mineral accumulation and also asphalt, a liquid-applied coat-ing, or a granule-surfaced cap sheet.
Package: a specific plan of drinks or shingles.
Butt Joint: a joint formed by surrounding, separate areas of product, such as where two neighboring pieces of insulation abut.
Switch Strike: a procedure of caving in 2 or even more densities of steel that are pushed versus each various other to avoid slippage in between the metal.
Butyl: rubber-like material created by copolymerizing isobutylene with a small amount of isoprene. Butyl may be manufactured in sheets, or mixed with various other elastomeric materials to make sealers as well as adhesives.
Butyl Layer: an elastomeric coating system derived from polymerized isobutylene. Butyl finishings are char-acterized by low water vapor permeability.
Butyl Rubber: an artificial elastomer based upon isobutylene and a minor amount of isoprene. It is vulcanizable and also includes reduced permeability to gases and water vapor.
Butyl Tape: a sealer tape often utilized between metal roof panel seams and also finish laps; additionally made use of to seal various other sorts of sheet steel joints, as well as in numerous sealant applications.
C.
Camber: a slight convex contour of a surface, such as in a prestressed concrete deck.
Canopy: any kind of looming or forecasting roof framework, typically over entryways or doors. Sometimes the severe end is unsupported.
Cant: a beveling of foam at an appropriate angle joint for strength as well as water run.
Cant Strip: a beveled or triangular-shaped strip of timber, wood fiber, perlite, his response or other product created to act as a gradual transitional aircraft between the horizontal surface area of a roof deck or rigid insulation as well as an upright surface.
Cap Flashing: generally composed of steel, utilized to cover or secure the upper sides of the membrane base blinking, wall blinking, or key blinking. (See Flashing and also Coping.).
Cap Sheet: a granule-surface coated sheet made use of as the top ply of some built-up or customized bitumen roof membranes and/or blinking.
Capillary Activity: the activity that triggers movement of fluids by surface home stress when in contact with 2 adjacent surface areas such as panel side laps.
Caulking: (1) the physical procedure of securing a joint or juncture; (2) sealing and also making weather-tight the joints, seams, or gaps between nearby devices by loaded with a sealant.
Cavity Wall surface: a wall surface constructed or organized to give an air space within the wall surface (with or without protecting material), in which the internal as well as external products are tied together by architectural framework.
CCF: 100 cubic feet.
Chalk: a powdery residue on the surface of a material.
Chalk Line: a line made on the roof by snapping a taut string or cord cleaned with tinted chalk. Used for positioning functions.
Liquid chalking: the degradation or migration of an active ingredient, in paints, coverings, or other products.
Smokeshaft: rock, masonry, prefabricated metal, or a wood framed structure, consisting of several flues, predicting via and above the roof.
Cladding: a material used as the exterior wall enclosure of a building.
Cleat: a metal strip, plate or metal angle item, either continual or specific (" clip"), used to protect two or even more parts with each other.
Closed-Cut Valley: an approach of valley application in which shingles from one side of the valley expand throughout the valley while shingles from the opposite are trimmed back roughly 2 inches (51mm) from the valley centerline.
Closure Strip: a metal or resilient strip, such as neoprene foam, made use of to shut openings produced by joining metal panels or sheets as well as flashings.
Coal Tar: a dark brownish to black colored, semi-solid hydrocarbon acquired as residue from the partial evapo-ration or purification of coal tars. Coal tar pitch is more refined to conform to the adhering to roofing quality requirements:.
Coal Tar Bitumen: a proprietary brand name for Kind III coal tar utilized as the dampproofing or waterproof-ing representative in dead-level or low-slope built-up roof membranes, conforming to ASTM D 450, Kind III.
Coal Tar Pitch: a coal tar used as the waterproofing representative in dead-level or low-slope built-up roof mem-branes, adapting ASTM Specification D 450, Type I or Kind III.
Coal Tar Waterproofing Pitch: a coal tar used as the dampproofing or waterproofing agent in below-grade structures, satisfying ASTM Specification D 450, Type II.
Covered Base Sheet: a felt that has actually previously been filled (filled up or fertilized) with asphalt and also later covered with more challenging, a lot more viscous asphalt, which greatly increases its impermeability to moisture.
Covered Fabric: fabrics that have actually been impregnated and/or covered with a plastic-like material in the form of a remedy, dispersion hot-melt, or powder. The term additionally applies to products arising from the application of a preformed click to read more film to a textile by means of calendering.
Covered Felt (Sheet): (1) an asphalt-saturated felt that has actually also been coated on both sides with tougher, much more thick "coating" asphalt; (2) a glass fiber felt that has actually been concurrently impregnated as well as covered with asphalt on both sides.
Finish: a layer of product spread over a surface for security or design. Coatings for SPF are generally liquids, semi-liquids, or mastics; spray, roller, or brush applied; as well as treated to an elastomeric uniformity.
Communication: the level of internal bonding of one compound to itself.
Cold Process Built-Up Roof: a continual, semi-flexible roof membrane, consisting of a ply or plies of felts, mats or various other support textiles that are laminated flooring together with alternative layers of liquid-applied (normally asphalt-solvent based) roof cements or adhesives set up at ambient or a somewhat raised temperature level.
Flammable: with the ability of burning.
Suitable Products: 2 or even more substances that can be mixed, blended, or attached without separating, reacting, or affecting the materials adversely.
Composition Shingle: an unit of asphalt shingle roofing.
Concealed-Nail Method: a method of asphalt roll roofing application in which all nails are driven right into the underlying training course of roofing and also covered by an adhered, overlapping training course.
Condensation: the conversion of water vapor or various other gas to fluid state as the temperature drops or atmos-pheric pressure increases. (Also see Dew Point.).
Conductor Head: a transition part in between a through-wall scupper as well as downspout to gather and direct run-off water.
Call Seals: adhesives utilized to adhere or bond numerous roofing parts. These adhesives adhere mated components right away on contact of surface areas to which the adhesive has actually been applied.
Contamination: the process of making a product or surface unclean or inadequate for its intended function, usually by the enhancement or attachment of unfavorable international substances.
Coping: the covering item on top of a wall surface which is exposed to the weather condition, normally made of steel, masonry, or stone. It is ideally sloped to shed water back onto the roof.
Copper: an all-natural weathering steel used in steel roofing; normally used in 16 or 20 ounce per square foot density (4.87 or 6.10 kg/sq m).
Cornice: the decorative horizontal molding or predicted roof overhang.
Counterflashing: developed steel sheeting protected on or right into a wall surface, visual, pipe, rooftop device, or other surface, to cover and also protect the upper side of the membrane base blinking or underlying steel flashing as well as linked fasteners from exposure to the climate.
Training course: (1) the term made use of for every row of shingles of roofing product that forms the roofing, waterproofing, or flashing system; (2) one layer of a collection of products applied to a surface area (e.g., a five-course wall surface flashing is composed of three applications of roof concrete with one ply of really felt or fabric sandwiched between each layer of roof cement).
Insurance coverage: the surface area covered by a certain amount of a certain product.
Cricket: a raised roof substratum or framework, constructed to draw away water around a smokeshaft, aesthetic, far from a wall surface, development joint, or various other projection/penetration. (See Saddle.).
Cross Ventilation: the result that is supplied when air moves via a roof cavity in between the vents.
Cupola: a relatively small roofed structure, typically set on the ridge or height of a primary roof location.
Suppress: (1) a raised member used to support roof penetrations, such as skylights, mechanical equipment, hatches, and check here so on above the level of the roof surface area; (2) a raised roof boundary reasonably reduced in elevation.
Remedy: a process wherein a product is triggered to create irreversible molecular affiliations by exposure to chemicals, heat, pressure, and/or weathering.
Heal Time: the time called for to effect curing. The moment needed for a material to reach its desirable long-term physical characteristics.
Cutoff: a permanent information created to seal and avoid lateral water activity in an insulation system, and also utilized to separate areas of a roofing system. (Note: A cutoff is different from a tie-off, which might be a short-lived or long-term seal.) (See Tie-Off.).
Cutout: the open sections of a strip roof shingles between the tabs.