Columbus Ohio RoofRepair

A.
Absorption: the capability of a material to accept within its body quantities of gases or liquid, such as wetness.
Accelerated Wear and tear: the process in which products are revealed to a regulated setting where various exposures such as heat, water, condensation, or light are altered to magnify their impacts, thereby increasing the weathering process. The product's physical homes are measured after this process and also compared to the initial buildings of the unexposed product, or to the buildings of the product that has been subjected to all-natural weathering.
Adhere: to cause two surface areas to be held with each other by attachment, generally with asphalt or roofing cements in built-up roofing and also with call cements in some single-ply membranes.
Aggregate: rock, rock, smashed stone, smashed slag, water-worn crushed rock or marble chips made use of for appearing and/or ballasting a roof system.
Aging: the impact on materials that are subjected to an environment for a period of time.
Alligatoring: the fracturing of the emerging bitumen on a built-up roof, generating a pattern of fractures similar to an alligator's hide; the splits might or may not expand with the surfacing asphalt.
Aluminum: a non-rusting metal occasionally utilized for metal roofing and also blinking.
Ambient Temperature: the temperature level of the air; air temperature.
Application Price: the amount (mass, volume, or thickness) of material applied per unit location.
Apron Flashing: a term made use of for a blinking located at the point of the top of the sloped roof as well as an upright wall or steeper-sloped roof.
Architectural Shingle: shingle that supplies a dimensional appearance.
Asphalt: a dark brown or black material discovered in an all-natural state or, more frequently, left as a deposit after vaporizing or otherwise refining petroleum or oil.
Asphalt Emulsion: a combination of asphalt bits and also an emulsifying representative such as bentonite clay and water. These parts are integrated by utilizing a chemical or a clay emulsifying agent as well as mixing or blending equipment.
Asphalt Felt: an asphalt-saturated and/or an asphalt-coated really felt. (See Felt.).
Asphalt Roof Concrete: a trowelable combination of solvent-based bitumen, mineral stabilizers, various other fibers and/or fillers. Categorized by ASTM Criterion D 2822-91 Asphalt Roof Cement, and also D 4586-92 Asphalt Roof Cement, Asbestos-Free, Types I and also II.
Attic: the cavity or open space above the ceiling as well as right away under the roof deck of a steep-sloped roof.
B.
Back-Nailing: (additionally described as Blind-Nailing) the practice of nailing the back portion of a roofing ply, high roofing unit, or other components in a way to ensure that the bolts are covered by the following consecutive ply, or training course, and are not exposed to the weather condition in the completed roof system.
Ballast: a securing material, such as aggregate, or precast concrete pavers, which employ the force of gravity to hold (or assist in holding) single-ply roof membranes in place.
Barrel Vault: a building profile including a spherical account to the roof on the brief axis, yet with no angle change on a cut along the long axis.
Base Flashing (membrane base flashing): 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 point. Membrane base blinking covers the edge of the area membrane. (Likewise see Flashing.).
Base Ply: the lowermost ply of roofing in a roof membrane or roof system.
Base Sheet: an impregnated, filled, or covered felt placed as the initial ply in some multi-ply built-up as well as modified asphalt roof membrane layers.
Batten: (1) cap or cover; (2) in a steel roof: a steel closure established over, or covering the joint in between, adjacent metal panels; (3) timber: a strip of timber typically set in or over the architectural deck, utilized to raise and/or affix a main roof covering such as tile; (4) in a membrane layer roof system: a slim plastic, wood, or steel bar which is made use of to fasten or hold the roof membrane and/or base flashing in position.
Batten Joint: a metal panel account attached to as well as formed around a beveled timber or metal batten.
Asphalt: (1) a class of amorphous, black or dark tinted, (solid, semi-solid, or thick) cementitious sub-stances, natural or produced, composed mainly 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 utilized to represent any type of material made up mostly of asphalt, typically asphalt or coal tar.
Blackberry (sometimes described as Blueberry or Tar-Boil): a small bubble or blister in the flood covering of an aggregate-surfaced built-up roof membrane.
Blind-Nailing: using nails that are not revealed to the weather in the completed roof.
Sore: an encased pocket of air, which may be blended with water or solvent vapor, trapped between imper-meable layers of really felt or membrane, or between the membrane and substrate.
Barring: areas of timber (which may be preservative dealt with) built into a roof assembly, usually attached above the deck and also below the membrane layer or blinking, made use of to tense the deck around an opening, serve as a stop for insulation, support a visual, or to function as a nailer for accessory of the membrane layer and/or flashing.
BOMA: Structure Owners & Managers Association.
Brake: hand- or power-activated machinery utilized to develop steel.
British Thermal Device (BTU): the heat called for to elevate the temperature level of one extra pound of water one level Fahrenheit (joule).
Brooming: an action carried out to help with embedment of a ply of roofing product right into hot asphalt by using a broom, squeegee, or special implement to smooth out the ply as well as guarantee contact with the asphalt or adhe-sive under the ply.
Buckle: an up, elongated tenting displacement of a roof membrane frequently taking place over insulation or deck joints. A fastening might be an indicator of motion within the roof setting up.
Building ordinance: published policies and regulations developed by an acknowledged company prescribing style loads, procedures, and also construction details for structures. Usually relating to assigned territories (city, region, state, etc.). Building regulations manage design, building and construction, and top quality of products, use and tenancy, place and upkeep of buildings as well as frameworks within the location for which the code has been embraced.
Built-Up sites Roof Membrane Layer (BUR): a constant, semi-flexible multi-ply roof membrane, including plies or layers of saturated felts, layered felts, materials, or floor coverings between which alternative layers of bitumen are used. Usually, built-up roof membranes are appeared with mineral accumulation and bitumen, a liquid-applied coat-ing, or a granule-surfaced cap sheet.
Package: a specific package of trembles or shingles.
Butt Joint: a joint formed by surrounding, separate sections of material, such as where 2 bordering pieces of insulation abut.
Button Strike: a procedure of caving in two or more densities of steel that are pressed against each other to avoid slippage between the steel.
Butyl: rubber-like product generated by copolymerizing isobutylene with a small amount of isoprene. Butyl might be produced in sheets, or combined with other elastomeric products to make sealers and also adhesives.
Butyl Finishing: an elastomeric finish system stemmed from polymerized isobutylene. Butyl finishings are char-acterized by low tide 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 includes low permeability to gases as well as water vapor.
Butyl Tape: a sealant tape often utilized between steel roof panel joints as well as finish laps; also made use of to secure various other sorts of sheet steel joints, and in various sealer applications.
C.
Camber: a minor convex contour of a surface, such as in a prestressed concrete deck.
Cover: any kind of overhanging or projecting roof structure, typically over entrances or doors. Sometimes the severe end is in need of support.
Cant: a beveling of foam at an appropriate angle joint for toughness and also water run.
Cant Strip: a diagonal or triangular-shaped strip of wood, timber fiber, perlite, or various other material created to function as a gradual transitional aircraft between the straight surface area of a Read Full Report roof deck or stiff insulation as well as an upright surface area.
Cap Flashing: typically composed of metal, utilized to cover or secure the upper sides of the membrane base flashing, wall blinking, or key blinking. (See Flashing and also Coping.).
Cap Sheet: a granule-surface coated sheet utilized as the top ply of some built-up or changed asphalt roof membranes and/or blinking.
Vein Activity: the activity that creates motion of fluids by surface stress when in contact with 2 adjacent surface areas such as panel side laps.
Caulking: (1) the physical procedure Our site of sealing a joint or juncture; (2) securing and making weather-tight the joints, joints, or gaps between adjacent systems by loaded with a sealant.
Cavity Wall surface: a wall surface developed or organized to give an air area within the wall surface (with or without insulating material), in which the internal as well as external materials are tied together by architectural framing.
CCF: 100 cubic feet.
Chalk: a powdery deposit on the surface of a product.
Chalk Line: a line made on the roof by snapping a taut string or cable cleaned with tinted chalk. Made use of for alignment functions.
Liquid chalking: the destruction or movement of a component, in paints, layers, or other materials.
Smokeshaft: rock, stonework, upraised metal, or a wood framed framework, including several flues, predicting via and also above the roof.
Cladding: a material used as the exterior wall surface room of a structure.
Cleat: a steel strip, plate or steel angle item, either constant or individual (" clip"), utilized to safeguard two or more parts with each other.
Closed-Cut Valley: an approach of valley application in which shingles from one side of the valley prolong throughout the valley while shingles from the opposite side are trimmed about 2 inches (51mm) from the valley centerline.
Closure Strip: a metal or resistant strip, such as neoprene foam, used to close openings produced by signing up with steel panels or sheets and flashings.
Coal Tar: a dark brownish to black colored, semi-solid hydrocarbon obtained as deposit from the partial evapo-ration or distillation of coal tars. Coal tar pitch is more improved to satisfy the following roofing quality specs:.
Coal Tar Bitumen: a proprietary brand name for Kind III coal tar utilized as the dampproofing or waterproof-ing agent in dead-level or low-slope built-up roof membranes, complying with 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, adapting ASTM Spec D 450, Type I or Type III.
Coal Tar Waterproofing Pitch: a coal tar made use of as the dampproofing or waterproofing agent in below-grade structures, complying with ASTM Spec D 450, Type II.
Coated Base Sheet: a felt that has actually previously been saturated (loaded or fertilized) with asphalt and later coated with tougher, extra thick asphalt, which substantially raises its impermeability to moisture.
Covered Material: fabrics that have been impregnated and/or coated with a plastic-like material in the form of an option, dispersion hot-melt, or powder. The term likewise relates to products arising from the application of a preformed movie to a textile by means of calendering.
Covered Felt (Sheet): (1) an asphalt-saturated felt that has also been coated on both sides with tougher, extra viscous "coating" asphalt; (2) a glass fiber felt that has been at the same time fertilized as well as coated with asphalt on both sides.
Finishing: a layer of product spread over a surface area for defense or decor. Coatings for SPF are typically liquids, semi-liquids, or mastics; spray, roller, or brush used; and also healed to an elastomeric uniformity.
Cohesion: the degree of internal bonding of one compound to itself.
Cold Process Built-Up Roof: a continual, semi-flexible roof membrane, including 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 seals or adhesives set up at ambient or a somewhat elevated temperature.
Combustible: efficient in burning.
Compatible Products: two or more materials that can be blended, combined, or connected without separating, reacting, or affecting the products detrimentally.
Make-up Roof shingles: a system of asphalt shingle roofing.
Concealed-Nail Method: an approach of asphalt roll roofing application in which all nails are driven right into the underlying course of roofing as well as covered by an adhered, overlapping course.
Condensation: the i loved this conversion of water vapor or various other gas to liquid state as the temperature goes down or atmos-pheric stress increases. (Also see Humidity.).
Conductor Head: a shift component in between a through-wall scupper as well as downspout to gather and also route run-off water.
Get in touch with Seals: adhesives utilized to adhere or bond various roofing parts. These adhesives adhere mated components immediately on contact of surfaces to which the adhesive has been applied.
Contamination: the process of making a product or surface unclean or inadequate for its designated function, usually by the enhancement or attachment of unwanted international substances.
Coping: the covering item in addition to a wall surface which is exposed to the climate, typically constructed from metal, stonework, or stone. It is ideally sloped to shed water back onto the roof.
Copper: a natural weathering steel utilized in steel roofing; usually used in 16 or 20 ounce per square foot thickness (4.87 or 6.10 kg/sq m).
Cornice: the decorative straight molding or projected roof overhang.
Counterflashing: created metal sheeting protected on or into a wall, visual, pipeline, roof unit, or other surface area, to cover and safeguard the top side of the membrane layer base blinking or underlying steel blinking and also linked bolts from direct exposure to the weather.
Training course: (1) the term made use of for each row of shingles of roofing material that develops the roofing, waterproofing, or blinking system; (2) one layer of a collection of materials put on a surface area (e.g., a five-course wall surface flashing is composed of 3 applications of roof cement with one ply of really felt or textile sandwiched between each layer of roof concrete).
Coverage: the area covered by a specific quantity of a specific product.
Cricket: a raised roof substrate or framework, built to divert water around a chimney, curb, away from a wall, growth joint, or various other projection/penetration. (See Saddle.).
Cross Ventilation: the result that is given when air steps with a roof tooth cavity between the vents.
Cupola: a reasonably tiny roofed structure, generally established on the ridge or top of a main roof area.
Suppress: (1) an elevated participant utilized to support roof infiltrations, such as skylights, mechanical tools, hatches, and so on above the degree of the roof surface area; (2) an increased roof perimeter fairly reduced in height.
Cure: a procedure wherein a material is caused to create long-term molecular links by direct exposure to chemicals, warmth, pressure, and/or weathering.
Treat Time: the moment called for to impact treating. The time needed for a product to reach its desirable long-lasting physical qualities.
Cutoff: a permanent information developed to seal as well as avoid side water motion in an insulation system, and also utilized to separate sections of a roof. (Note: A cutoff is different from a tie-off, which may be a short-lived or long-term seal.) (See Tie-Off.).
Intermediary: the open parts of a strip Read More Here tile between the tabs.