Dublin RoofReplacement

A.
Absorption: the capacity of a material to accept within its body quantities of gases or liquid, such as wetness.
Accelerated Wear and tear: the procedure in which materials are revealed to a controlled environment where various exposures such as warmth, water, condensation, or light are become magnify their effects, thus speeding up the weathering procedure. The product's physical properties are determined after this procedure and compared to the original buildings of the unexposed material, or to the buildings of the material that has actually been revealed to all-natural weathering.
Adhere: to create two surfaces to be held together by adhesion, normally with asphalt or roofing concretes in built-up roofing and with get in touch with concretes in some single-ply membrane layers.
Aggregate: rock, stone, smashed rock, smashed slag, water-worn gravel or marble chips utilized for appearing and/or ballasting a roof system.
Aging: the impact on materials that are subjected to an atmosphere for a period of time.
Alligatoring: the cracking of the emerging asphalt on a built-up roof, generating a pattern of fractures comparable to an alligator's hide; the cracks may or may not extend through the appearing asphalt.
Light weight aluminum: a non-rusting metal often used for steel roofing as well as flashing.
Ambient Temperature: the temperature level of the air; air temperature.
Application Rate: the quantity (mass, quantity, or density) of product used per unit location.
Apron Flashing: a term utilized for a flashing located at the juncture of the top of the sloped roof and also an upright wall or steeper-sloped roof.
Building Roof shingles: tile that provides a dimensional appearance.
Asphalt: a dark brownish or black substance found in a natural state or, much more generally, left as a residue after vaporizing or otherwise processing petroleum or oil.
Asphalt Solution: a mix of asphalt bits and an emulsifying agent such as bentonite clay as well as water. These elements are integrated by using a chemical or a clay emulsifying agent and mixing or blending machinery.
Asphalt Felt: an asphalt-saturated and/or an asphalt-coated really felt. (See Felt.).
Asphalt Roof Cement: a trowelable blend of solvent-based asphalt, mineral stabilizers, various other fibers and/or fillers. Identified by ASTM Criterion D 2822-91 Asphalt Roof Concrete, as well as D 4586-92 Asphalt Roof Concrete, Asbestos-Free, Kind I as well as II.
Attic: the tooth cavity or open room over the ceiling and 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 part of a roofing ply, steep roofing device, or other parts in a way to make sure that the bolts are covered by the following consecutive ply, or course, and are not revealed to the climate in the ended up roof system.
Ballast: an anchoring material, such as aggregate, or precast concrete pavers, which employ the force of gravity to hold (or aid in holding) single-ply roof membrane layers in place.
Barrel Safe: a building profile including a rounded profile to the roof on the brief axis, yet with no angle change on a cut along the lengthy axis.
Base Flashing (membrane layer base blinking): plies or strips of roof membrane product made use of to close-off and/or seal a roof at the roof-to-vertical crossways, such as at a roof-to-wall time. Membrane base blinking covers the edge of the area membrane layer. (Likewise see Blinking.).
Base Ply: the lowermost ply of roofing in a roof membrane or roof system.
Base Sheet: a fertilized, filled, or covered felt placed as the initial ply in some multi-ply built-up and customized bitumen roof membranes.
Batten: (1) cap or cover; (2) in a metal roof: a metal closure established over, or covering the joint in between, adjacent metal panels; (3) timber: a strip of timber usually set in or over the structural deck, made use of to boost and/or connect a key roof covering such as floor tile; (4) in a membrane layer roof system: a narrow plastic, timber, or metal bar which is used to fasten or hold the roof membrane layer and/or base flashing in place.
Batten Seam: a steel panel profile affixed to and formed around a beveled timber or steel batten.
Bitumen: (1) a course of amorphous, black or dark colored, (strong, semi-solid, or viscous) cementitious sub-stances, natural or manufactured, composed mostly of high molecular weight hydrocarbons, soluble in carbon disulfide, and located in oil asphalts, coal tars as well as pitches, timber tars and also asphalts; (2) a generic term made use of to signify any type of material composed principally of bitumen, typically asphalt or coal tar.
Blackberry (sometimes referred to as Blueberry or Tar-Boil): a little bubble or sore in the flooding finish of an aggregate-surfaced built-up roof membrane layer.
Blind-Nailing: the use of nails that are not subjected to the weather in the completed roof.
Blister: an enclosed pocket of air, which might be mixed with water or solvent vapor, entraped in between imper-meable layers of felt or membrane layer, or in between the membrane layer as well as substratum.
Barring: sections of timber (which may be preservative treated) developed right into a roof assembly, usually attached over the deck and also below the membrane layer or blinking, utilized to tense the deck around an opening, act as a quit for insulation, sustain a visual, or to act as a nailer for attachment of the membrane and/or blinking.
BOMA: Building Owners & Managers Association.
Brake: hand- or power-activated equipment utilized to develop steel.
British Thermal System (BTU): the heat required to raise the temperature of one extra pound of water one degree Fahrenheit (joule).
Brooming: an activity carried out to facilitate embedment of a ply of roofing product right into hot asphalt by utilizing a broom, squeegee, or special implement to ravel the ply as well as guarantee contact with the asphalt or adhe-sive under the ply.
Twist: an up, elongated tenting variation of a roof membrane frequently happening over insulation or deck joints. A clasp may be an indication of motion within the roof setting up.
Building regulations: published policies and also statutes established by an acknowledged firm prescribing design tons, treatments, and construction details for frameworks. Usually applying to designated jurisdictions (city, region, state, etc.). Building codes regulate layout, construction, and also top quality of materials, use and occupancy, place as well as maintenance of buildings and also frameworks within the area for which the code has been taken on.
Built-Up Roof Membrane Layer (BUR): a constant, semi-flexible multi-ply roof membrane, containing plies or layers of saturated felts, covered felts, materials, or mats between which alternating layers of asphalt are applied. Typically, built-up roof membranes are appeared with mineral accumulation as well as asphalt, a liquid-applied coat-ing, or a granule-surfaced cap sheet.
Bundle: a specific package of trembles or shingles.
Butt Joint: a joint created by surrounding, different areas of material, such as where 2 neighboring items of insulation abut.
Button Punch: a procedure of indenting 2 or more thicknesses of metal that are pressed versus each various other to prevent slippage in between the steel.
Butyl: rubber-like product produced by copolymerizing isobutylene with a percentage click over here now of isoprene. Butyl may be made in sheets, or mixed with other elastomeric materials to make sealants and also adhesives.
Butyl Layer: an elastomeric layer system originated from polymerized isobutylene. Butyl finishings are char-acterized by low water vapor leaks in the structure.
Butyl Rubber: an artificial elastomer based upon isobutylene and also a small quantity of isoprene. It is vulcanizable and also features reduced permeability to gases and water vapor.
Butyl Tape: a sealer tape sometimes utilized in between steel roof panel joints as well as finish laps; additionally used to secure various other types of sheet metal joints, and in numerous sealant applications.
C.
Camber: a small convex curve of a surface, such as in a prestressed concrete deck.
Cover: any kind of overhanging or forecasting roof structure, commonly over entrances 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 diagonal or triangular-shaped strip of wood, timber fiber, perlite, or other material created to work as a steady transitional aircraft in between the straight surface of a roof deck or inflexible insulation and an upright surface.
Cap Flashing: normally composed of metal, used to cover or shield the upper sides of the membrane base blinking, wall surface flashing, or main blinking. (See Flashing as well as Coping.).
Cap Sheet: a granule-surface covered sheet utilized as the top ply of some built-up or modified bitumen roof membranes and/or blinking.
Vein Activity: the action that creates movement of liquids by surface stress when in contact with two nearby surfaces such as panel side laps.
Caulking: (1) the physical procedure of sealing a joint or juncture; (2) sealing and making weather-tight the joints, joints, or spaces in between adjacent devices by filling with a sealant.
Cavity Wall surface: a wall developed or organized to offer an air area within the wall (with or without protecting product), in which the internal and also outer products are tied together by structural framing.
CCF: 100 cubic feet.
Chalk: a powdery deposit externally of a product.
Chalk Line: a line made on the roof by snapping a taut string or cable dusted with tinted chalk. Used for positioning functions.
Liquid chalking: the degradation or migration of a component, in paints, coverings, or other products.
Smokeshaft: stone, stonework, upraised metal, or a wood mounted framework, having several flues, forecasting via as well as above the roof.
Cladding: a material used as the exterior wall room of a building.
Cleat: a steel strip, plate or metal angle item, either continual or individual (" clip"), utilized to safeguard two or even more parts together.
Closed-Cut Valley: a technique of valley application in which shingles from one side of the valley extend across the valley while shingles from the opposite side are trimmed about 2 inches (51mm) from the valley centerline.
Closure Strip: a steel or resilient strip, such as neoprene foam, used to shut openings produced by signing up with metal panels or sheets and also flashings.
Coal Tar: a dark brownish to black tinted, semi-solid hydrocarbon gotten as deposit from the partial evapo-ration or purification of coal tars. Coal tar pitch is further fine-tuned to satisfy the adhering to roofing quality specs:.
Coal Tar Asphalt: an exclusive brand name for Kind III coal Visit This Link tar used 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 utilized as the waterproofing agent in dead-level or low-slope built-up roof mem-branes, satisfying ASTM Specification D 450, Type I or Type III.
Coal Tar Waterproofing Pitch: a coal tar used as the dampproofing or waterproofing representative in below-grade frameworks, conforming to ASTM Spec D 450, Type II.
Layered Base Sheet: a felt that has previously been saturated (filled or fertilized) with asphalt and later on covered with more difficult, a lot more viscous asphalt, which substantially boosts its impermeability to moisture.
Covered Textile: textiles that have been impregnated and/or covered with a plastic-like product in the type of an option, dispersion hot-melt, or powder. The term additionally puts on materials resulting from the application of a preformed movie to a textile by means of calendering.
Layered Felt (Sheet): (1) an asphalt-saturated felt that has additionally been coated on both sides with more challenging, more viscous "finishing" asphalt; (2) a glass fiber felt that has been at the same time fertilized as well as covered with asphalt on both sides.
Coating: a layer of material spread over a surface for defense or design. Coatings for SPF are typically liquids, semi-liquids, or mastics; spray, roller, or brush used; as well as treated to an elastomeric consistency.
Cohesion: the degree of interior bonding of one substance to itself.
Cold Process Built-Up Roof: a continual, semi-flexible roof membrane layer, containing a ply or plies of felts, floor coverings or various other reinforcement textiles that are laminated flooring along with alternative layers of liquid-applied (normally asphalt-solvent based) roof cements or adhesives mounted at ambient or a slightly raised temperature.
Flammable: efficient in burning.
Compatible Products: image source 2 or more substances that can be blended, combined, or affixed without dividing, reacting, or impacting the materials negatively.
Composition Shingle: a system of asphalt tile roofing.
Concealed-Nail Approach: an approach of asphalt roll roofing application in which all nails are driven into the underlying training course of roofing and also covered by an adhered, overlapping course.
Condensation: the conversion of water vapor or other gas to liquid state as the temperature goes down or atmos-pheric stress increases. (Additionally see Humidity.).
Conductor Head: a transition part between a through-wall scupper as well as downspout to accumulate and also route run-off water.
Get in touch with Cements: adhesives used to adhere or bond numerous roofing components. These adhesives adhere mated elements quickly on call of surfaces to which the adhesive has been applied.
Contamination: the procedure best site of making a product or surface area dirty or inadequate for its designated objective, typically by the enhancement or accessory of unwanted foreign compounds.
Coping: the covering item on top of a wall surface which is subjected to the weather condition, generally made from metal, stonework, or rock. It is ideally sloped to shed water back onto the roof.
Copper: an all-natural weathering steel used in steel roofing; normally made use of in 16 or 20 ounce per square foot density (4.87 or 6.10 kg/sq m).
Cornice: the ornamental straight molding or projected roof overhang.
Counterflashing: created metal sheeting secured on or right into a wall, curb, pipe, rooftop device, or various other surface area, to cover and also safeguard the top side of the membrane layer base flashing or underlying metal blinking and linked fasteners from direct exposure to the weather condition.
Program: (1) the term made use of for each row of shingles of roofing material that creates the roofing, waterproofing, or flashing system; (2) one layer of a series of materials related to a surface area (e.g., a five-course wall flashing is composed of three applications of roof concrete with one ply of felt or textile check these guys out sandwiched between each layer of roof concrete).
Insurance coverage: the surface covered by a certain quantity of a particular material.
Cricket: an elevated roof substratum or structure, constructed to draw away water around a chimney, curb, away from a wall surface, development joint, or other projection/penetration. (See Saddle.).
Cross Ventilation: the result that is given when air relocations through a roof tooth cavity in between the vents.
Cupola: a relatively tiny roofed framework, usually set on the ridge or top of a main roof location.
Suppress: (1) an increased member used to sustain roof infiltrations, such as skylights, mechanical equipment, hatches, and so on over the level of the roof surface area; (2) a raised roof boundary fairly low in elevation.
Cure: a process whereby a material is triggered to form irreversible molecular affiliations by exposure to chemicals, warmth, pressure, and/or weathering.
Treat Time: the time needed to impact curing. The time needed for a product to reach its desirable long-lasting physical characteristics.
Cutoff: a permanent information designed to seal as well as prevent side water movement in an insulation system, and made use of to isolate areas of a roofing system. (Note: A cutoff is different from a tie-off, which might be a temporary or long-term seal.) (See Tie-Off.).
Intermediary: the open parts of a strip tile between the tabs.