Dublin RoofReplacement

A.
Absorption: the capability of a product to accept within its body quantities of gases or liquid, such as moisture.
Accelerated Weathering: the process in which materials are subjected to a controlled atmosphere where numerous direct exposures such as heat, water, condensation, or light are altered to multiply their effects, thus increasing the weathering procedure. The material's physical residential properties are measured after this procedure as well as contrasted to the original buildings of the unexposed product, or to the residential properties of the product that has been exposed to all-natural weathering.
Adhere: to create two surface areas to be held with each other by bond, normally with asphalt or roofing cements in built-up roofing and also with call cements in some single-ply membrane layers.
Accumulation: rock, stone, crushed rock, 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 subjected to an environment for a period of time.
Alligatoring: the fracturing of the appearing bitumen on a built-up roof, creating a pattern of fractures comparable to an alligator's hide; the cracks might or might not expand via the surfacing asphalt.
Aluminum: a non-rusting steel sometimes used for metal roofing and flashing.
Ambient Temperature: the temperature level of the air; air temperature.
Application Rate: the quantity (mass, quantity, or thickness) of product applied each location.
Apron Flashing: a term used for a blinking located at the time of the top of the sloped roof and also an upright wall or steeper-sloped roof.
Building Roof shingles: shingle that supplies a dimensional appearance.
Asphalt: a dark brown or black compound found in an all-natural state or, extra typically, left as a residue after evaporating or otherwise processing petroleum or petroleum.
Asphalt Emulsion: a mixture of asphalt fragments as well as an emulsifying agent such as bentonite clay and water. These components are integrated by using a chemical or a clay emulsifying representative and also mixing or blending equipment.
Asphalt Felt: an asphalt-saturated and/or an asphalt-coated felt. (See Really Felt.).
Asphalt Roof Cement: a trowelable blend of solvent-based bitumen, mineral stabilizers, various other fibers and/or fillers. Categorized by ASTM Requirement D 2822-91 Asphalt Roof Concrete, and D 4586-92 Asphalt Roof Concrete, Asbestos-Free, Kind I and II.
Attic: the cavity or open room over the ceiling and also quickly under the roof deck of a steep-sloped roof.
B.
Back-Nailing: (also referred to as Blind-Nailing) the method of nailing the back part of a roofing ply, steep roofing unit, or various other elements in a fashion so that the fasteners are covered by the following consecutive ply, or course, and also are not subjected to the weather condition in the ended up roof system.
Ballast: an anchoring product, such as aggregate, or precast concrete pavers, which use the force of gravity to hold (or help in holding) single-ply roof membrane layers in place.
Barrel Vault: a structure profile including a spherical profile to the roof on the brief axis, however without angle change 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 crossways, such as at a roof-to-wall juncture. Membrane base flashing covers the edge of the field membrane layer. (Likewise see Blinking.).
Base Ply: the lowermost ply of roofing in a roof membrane or roof system.
Base Sheet: an impregnated, filled, or layered really felt positioned as the first ply in some multi-ply built-up as well as changed bitumen roof membrane layers.
Batten: (1) cap or cover; (2) in a metal roof: a steel closure set over, or covering the joint between, adjacent metal panels; (3) wood: a strip of timber generally set in or over the structural deck, made use of to raise and/or affix a main roof covering such as tile; (4) in a membrane roof system: a slim plastic, timber, or steel bar which is used to attach or hold the roof membrane and/or base blinking in place.
Batten Joint: a metal panel profile affixed to and also formed around a diagonal wood or steel batten.
Asphalt: (1) a course of amorphous, black or dark tinted, (strong, semi-solid, or viscous) cementitious sub-stances, natural or produced, composed primarily of high molecular weight hydrocarbons, soluble in carbon disulfide, as well as found in petroleum asphalts, coal tars and pitches, timber tars and asphalts; (2) a generic term made use of to represent any type of product made up primarily of bitumen, usually asphalt or coal tar.
Blackberry (often referred to as Blueberry or Tar-Boil): a tiny bubble or sore in the flood covering of an aggregate-surfaced built-up roof membrane layer.
Blind-Nailing: using nails that are not exposed to the weather condition in the finished roofing system.
Sore: an enclosed pocket of air, which may be blended with water or solvent vapor, entraped between imper-meable layers of felt or membrane, or between the membrane layer as well as substratum.
Barring: sections of wood (which might be preservative treated) built right into a roof assembly, usually connected over the deck and listed below the membrane layer or blinking, used to tense the deck around an opening, act as a stop for insulation, sustain an aesthetic, or to serve as a nailer for accessory of the membrane and/or flashing.
BOMA: Building Owners & Managers Organization.
Brake: hand- or power-activated machinery utilized to create metal.
British Thermal Unit (BTU): the heat energy called for to elevate the temperature level of one extra pound of water one level Fahrenheit (joule).
Brooming: an action executed to help with embedment of a ply of roofing product right into hot bitumen by using a mop, squeegee, or special carry out to smooth out the ply as well as ensure contact with the bitumen or adhe-sive under the ply.
Twist: an upward, elongated tenting variation of a roof membrane layer regularly happening over insulation or deck joints. A clasp might be an indication of movement within the roof assembly.
Building Code: released policies as well as regulations developed by an acknowledged firm prescribing design tons, treatments, as well as construction information for structures. Generally applying to designated jurisdictions (city, region, state, etc.). Building codes manage design, building, as well as top quality of products, usage as well as tenancy, area and maintenance of buildings as well as frameworks within the area for which the code has been taken on.
Built-Up Roof Membrane (BUR): a constant, semi-flexible multi-ply roof membrane, including plies or layers of saturated felts, layered felts, materials, or mats in between which alternate layers of bitumen are applied. Generally, built-up roof membrane layers are emerged with mineral aggregate and also bitumen, a liquid-applied coat-ing, or a granule-surfaced cap sheet.
Package: a private plan of trembles or shingles.
Butt Joint: a joint created by nearby, different areas of material, such as where 2 surrounding pieces of insulation abut.
Switch Strike: a process of caving in two or even more densities of metal that are pressed against each various other to prevent slippage between the steel.
Butyl: rubber-like material created by copolymerizing isobutylene with a small amount of isoprene. Butyl may be made in sheets, or blended with other elastomeric products to make sealers and adhesives.
Butyl Layer: an elastomeric layer system derived from polymerized isobutylene. Butyl coverings 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 includes reduced permeability to gases and also water vapor.
Butyl Tape: a sealer tape sometimes utilized in between metal roof panel joints as well as finish laps; also used to secure other types of sheet metal joints, and also in different sealer applications.
C.
Camber: a small convex curve of a surface area, such as in a prestressed concrete deck.
Cover: any type of looming or forecasting roof structure, normally over entrances or doors. Sometimes the severe end is in need of support.
Cant: a beveling of foam at a best angle joint for strength and also water escape.
Cant Strip: a beveled or triangular-shaped strip of wood, wood fiber, perlite, or other product designed to act as a steady transitional plane between the straight surface of a roof deck or rigid insulation and also a vertical surface area.
Cap Flashing: usually composed of steel, made use of to cover or secure the upper sides of the membrane base blinking, wall surface flashing, or key flashing. (See Flashing and Coping.).
Cap Sheet: a granule-surface layered sheet made use of as the leading ply of some built-up or modified asphalt roof membrane layers and/or flashing.
Blood vessel Activity: the activity that causes movement of liquids by surface area tension when in contact with two surrounding surface areas such as panel side laps.
Caulking: (1) the physical procedure of sealing a joint or time; (2) securing and making weather-tight the joints, seams, or spaces in between surrounding units by full of a sealant.
Tooth cavity Wall: a wall surface constructed or arranged to offer an air area within the wall (with or without protecting product), in which the internal and also external products are looped by architectural framework.
CCF: 100 cubic feet.
Chalk: a fine-grained deposit externally of a product.
Chalk Line: a line made on the roof by breaking a tight string or cable cleaned with colored chalk. Utilized for positioning functions.
Chalking: the deterioration or migration of an active ingredient, in paints, coverings, or other materials.
Smokeshaft: rock, stonework, built steel, or a wood framed framework, containing several flues, predicting with as well as above the roof.
Cladding: a material made use of as the outside wall enclosure have a peek at these guys of a structure.
Cleat: a steel strip, plate or metal angle piece, either continual or private (" clip"), utilized to secure 2 or even more elements with each other.
Closed-Cut Valley: an approach of valley application in which shingles from one side of the valley expand across the valley while shingles from the other side are trimmed around 2 inches (51mm) from the valley centerline.
Closure Strip: a metal or resistant strip, such as neoprene foam, utilized to close openings developed by joining steel panels or sheets as well as flashings.
Coal Tar: a dark brown to black tinted, semi-solid hydrocarbon acquired as deposit from the partial evapo-ration or distillation of coal tars. Coal tar pitch is further improved to comply with the following roofing quality specifications:.
Coal Tar Asphalt: a proprietary brand name for Type III coal tar utilized visit here as the dampproofing or waterproof-ing representative in dead-level or low-slope built-up roof membrane layers, complying with 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, complying with ASTM Requirements D 450, Type I or Kind III.
Coal Tar Waterproofing Pitch: a coal tar utilized as the dampproofing or waterproofing representative in below-grade structures, complying with ASTM Specification D 450, Type II.
Covered Base Sheet: a really felt that has actually formerly been saturated (filled or impregnated) with asphalt as well as later on coated with more difficult, more viscous asphalt, which considerably enhances its impermeability to moisture.
Coated Material: textiles that have been impregnated and/or coated with a plastic-like product in the kind of a solution, dispersion hot-melt, or powder. The term likewise relates to products resulting from the application of a preformed movie to a fabric by means of calendering.
Coated Felt (Sheet): (1) an asphalt-saturated felt that has likewise been covered on both sides with tougher, much more thick "finish" asphalt; (2) a glass fiber felt that has actually been at the same time impregnated as well as coated with asphalt on both sides.
Coating: a layer of material spread over a surface area for protection or decoration. Coatings for SPF are usually liquids, semi-liquids, or mastics; spray, roller, or brush used; and cured to an elastomeric consistency.
Communication: the level of interior bonding of one material to itself.
Cold Refine Built-Up Roof: a continual, semi-flexible roof membrane, containing a ply or plies of felts, floor coverings or other reinforcement materials that are laminated together with alternating layers of liquid-applied (normally asphalt-solvent based) roof cements or adhesives installed at ambient or a slightly raised temperature.
Flammable: capable of burning.
Compatible Products: 2 or more substances that can be blended, blended, or connected without separating, responding, or affecting the materials negatively.
Composition Roof shingles: a device of asphalt tile roofing.
Concealed-Nail Technique: an approach of asphalt roll roofing application in which all nails are driven right into the underlying program of roofing and also covered by an adhered, overlapping training course.
Condensation: the conversion of water vapor or various other gas to liquid state as the temperature level goes down or atmos-pheric stress directory rises. (Likewise see Dew Point.).
Conductor Head: a shift component in between a through-wall scupper as well as downspout to accumulate and direct run-off water.
Call Seals: adhesives utilized to stick or bond numerous roofing elements. These adhesives adhere mated parts instantly on get in touch with of surfaces to which the adhesive has actually been applied.
Contamination: the procedure of making a material or surface dirty or inadequate for its intended purpose, normally by the addition or attachment of unwanted international compounds.
Coping: the covering piece in addition to a wall which is subjected to the weather, generally made from steel, masonry, or rock. It is preferably sloped to lose water back onto the roof.
Copper: a natural weathering steel made use of in metal roofing; generally made use of in 16 or 20 ounce per square foot thickness (4.87 or 6.10 kg/sq m).
Cornice: the attractive horizontal molding or forecasted roof overhang.
Counterflashing: created metal sheeting protected on or right into a wall, visual, pipeline, roof system, or various other surface area, to cover and secure the top side of the membrane base flashing or underlying metal flashing as well as linked bolts from exposure to the weather.
Program: (1) the term utilized for each and every row of shingles of roofing material that forms the roofing, waterproofing, or flashing system; (2) one layer of a series of materials put on a surface (e.g., a five-course wall flashing is composed of 3 applications of roof concrete with one ply of really felt or textile sandwiched in between each layer of roof concrete).
Insurance coverage: the area covered by a certain amount of a specific material.
Cricket: an elevated roof substratum or framework, built to divert water around a chimney, curb, far from a wall, growth joint, or other projection/penetration. (See Saddle.).
Cross Ventilation: the result that is given when air moves via a roof dental caries between the vents.
Cupola: a relatively tiny roofed structure, typically established on the ridge or optimal of a primary roof location.
Curb: (1) a raised member made use of to support roof infiltrations, such as skylights, mechanical devices, hatches, etc. above the level of the roof surface area; (2) an elevated roof boundary reasonably reduced in elevation.
Remedy: a process whereby a material is created to form irreversible molecular links by exposure to chemicals, warmth, stress, and/or weathering.
Cure Time: the time required to impact curing. The moment needed for a material to reach its desirable long-lasting physical features.
Cutoff: an irreversible detail made to secure and also avoid side water movement in an insulation system, and also used to separate sections of a roof. (Note: A cutoff is various from a tie-off, which may be a momentary or long-term seal.) (See Tie-Off.).
Cutout: the open sections of a strip tile between the tabs.