Columbus Ohio RoofReplacement

A.
Absorption: the ability of a material to accept within its body amounts of gases or liquid, such as wetness.
Accelerated Wear and tear: the process in which materials are subjected to a controlled atmosphere where numerous direct exposures such as heat, water, condensation, or light are become multiply their results, therefore increasing the weathering procedure. The material's physical homes are gauged after this process and also contrasted to the initial properties of the unexposed material, or to the homes of the product that has actually been revealed to all-natural weathering.
Adhere: to create two surfaces to be held together by adhesion, generally with asphalt or roofing cements in built-up roofing as well as with call concretes in some single-ply membranes.
Aggregate: rock, rock, smashed 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 exposed to an environment for a period of time.
Alligatoring: the fracturing of the emerging bitumen on a built-up roof, creating a pattern of fractures similar to an alligator's hide; the cracks may or might not prolong with the surfacing bitumen.
Light weight aluminum: a non-rusting metal in some cases utilized for steel roofing and blinking.
Ambient Temperature: the temperature level of the air; air temperature level.
Application Price: the quantity (mass, quantity, or density) of material applied each area.
Apron Flashing: a term utilized for a flashing situated at the time of the top of the sloped roof and also an upright wall or steeper-sloped roof.
Building Tile: shingle that supplies a dimensional look.
Asphalt: a dark brownish or black substance discovered in a natural state or, much more typically, left as a residue after vaporizing or otherwise processing petroleum or oil.
Asphalt Emulsion: a blend of asphalt particles and also an emulsifying agent such as bentonite clay and also water. These parts are incorporated by utilizing a chemical or a clay emulsifying representative and also mixing or mixing machinery.
Asphalt Felt: an asphalt-saturated and/or an asphalt-coated really felt. (See Really Felt.).
Asphalt Roof Cement: a trowelable mix of solvent-based bitumen, mineral stabilizers, other fibers and/or fillers. Classified by ASTM Requirement D 2822-91 Asphalt Roof Concrete, as well as D 4586-92 Asphalt Roof Concrete, Asbestos-Free, Kind I and also II.
Attic: the dental caries or open room over the ceiling and also immediately under the roof deck of a steep-sloped roof.
B.
Back-Nailing: (also referred to as Blind-Nailing) the method of toenailing the back part of a roofing ply, high roofing system, 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 exposed to the weather in the ended up roof system.
Ballast: a securing product, such as aggregate, or precast concrete pavers, which employ the pressure of gravity to hold (or assist in holding) single-ply roof membrane layers in position.
Barrel Safe: a building profile including a spherical profile to the roof on the brief axis, but with no angle adjustment on a cut along the lengthy axis.
Base Flashing (membrane layer base flashing): 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 juncture. Membrane layer base flashing covers the side of the area membrane layer. (Additionally see Flashing.).
Base Ply: the lowermost ply of roofing in a roof membrane or roof system.
Base Sheet: an impregnated, saturated, or coated felt positioned as the initial ply in some multi-ply built-up as well as changed 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, nearby metal panels; (3) wood: a strip of wood usually set in or over the structural deck, utilized to elevate and/or affix a main roof covering such as floor tile; (4) in a membrane roof system: a slim plastic, timber, or steel bar which is used to fasten or hold the roof membrane and/or base blinking in place.
Batten Seam: a steel panel account connected to and created around a beveled wood or steel batten.
Bitumen: (1) a course of amorphous, black or dark colored, (solid, semi-solid, or viscous) cementitious sub-stances, natural or produced, composed mostly of high molecular weight hydrocarbons, soluble in carbon disulfide, and also found in oil asphalts, coal tars and pitches, timber tars and asphalts; (2) a common term used to denote any type of product made up mostly of asphalt, commonly asphalt or coal tar.
Blackberry (sometimes described as Blueberry or Tar-Boil): a small bubble or blister in the flood layer of an aggregate-surfaced built-up roof membrane.
Blind-Nailing: using nails that are not revealed to the climate in the ended up roofing system.
Sore: an encased pocket of air, which might be combined with water or solvent vapor, caught between imper-meable layers of felt or membrane, or in between the membrane layer and substratum.
Stopping: sections of timber (which may be preservative dealt with) built right into a roof assembly, typically connected above the deck and listed below the membrane layer or blinking, used to tense the deck around an opening, serve as a stop for insulation, sustain an aesthetic, or to serve as a nailer for accessory of the membrane layer and/or blinking.
BOMA: Building Owners & Managers Association.
Brake: hand- or power-activated machinery utilized to create metal.
British Thermal Device (BTU): the heat energy needed to elevate the temperature of one pound of water one degree Fahrenheit (joule).
Brooming: an activity performed to facilitate embedment of a ply of roofing product right into hot bitumen by using a mop, squeegee, or unique implement to smooth out the ply as well as make certain call with the bitumen or adhe-sive under the ply.
Bend: an upward, lengthened tenting displacement of a roof membrane often happening over insulation or deck joints. A fastening might be a sign of movement within the roof setting up.
Building Code: published laws and also statutes developed by a recognized agency prescribing layout lots, treatments, and also building and construction information for frameworks. Typically relating to assigned jurisdictions (city, area, state, and so on). Building codes regulate design, building, and top quality of materials, usage and tenancy, area and also upkeep of structures as well as structures within the area for which the code has actually been taken on.
Built-Up Roof Membrane (BUR): a continual, semi-flexible multi-ply roof membrane layer, consisting of plies or layers of saturated felts, coated felts, fabrics, or floor coverings between which alternate layers of bitumen are applied. Normally, built-up roof membranes are emerged with mineral aggregate as well as asphalt, a liquid-applied coat-ing, or a granule-surfaced cap sheet.
Bundle: a specific package of shakes or shingles.
Butt Joint: a joint created by adjacent, separate areas of product, such as where 2 bordering items of insulation abut.
Button Punch: a procedure of indenting two or even more thicknesses of steel that are pressed against each various other to prevent slippage in between the metal.
Butyl: rubber-like material produced by copolymerizing isobutylene with a percentage of isoprene. Butyl may be produced in go to the website sheets, or blended with various other elastomeric materials to make sealants and adhesives.
Butyl Finishing: an elastomeric finish system derived from polymerized isobutylene. Butyl finishes are char-acterized by low tide vapor permeability.
Butyl Rubber: an artificial elastomer based on isobutylene as well as a minor amount of isoprene. It is vulcanizable and features reduced leaks in the structure to gases as well as water vapor.
Butyl Tape: a sealer tape often utilized between steel roof panel seams and also finish laps; also used to secure other sorts of sheet metal joints, and in numerous sealant applications.
C.
Camber: a minor convex curve of a surface, such as in a prestressed concrete deck.
Canopy: any kind of overhanging or projecting roof framework, typically over entries or doors. Occasionally the severe end is in need of support.
Cant: a beveling of foam at an ideal angle joint for strength and water run off.
Cant Strip: a diagonal or triangular-shaped strip of timber, timber fiber, perlite, or various other product designed to serve as a gradual transitional aircraft between the horizontal surface area of a roof deck or rigid insulation and a vertical surface area.
Cap Flashing: normally made up of metal, made use of to cover or secure the upper edges of the membrane layer base flashing, wall surface flashing, or key blinking. (See Flashing and Coping.).
Cap Sheet: view website a granule-surface covered sheet made use of as the top ply of some built-up or customized asphalt roof membrane layers and/or flashing.
Blood vessel Action: the activity that triggers activity of liquids by surface area tension when in contact with two nearby 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 voids between nearby devices by full of a sealant.
Dental caries Wall surface: a wall built or organized to give an air space within the wall (with or without shielding product), in which the internal as well as outer products are looped by architectural framework.
CCF: 100 cubic feet.
Chalk: a grainy residue on the surface of a product.
Chalk Line: a line made on the roof by breaking a taut string or cord cleaned with colored chalk. Used for alignment functions.
Liquid chalking: the degradation or movement of a component, in paints, finishes, or other products.
Smokeshaft: stone, masonry, prefabricated steel, or a timber framed framework, having several flues, projecting via and above the roof.
Cladding: a product utilized as the outside wall enclosure of a building.
Cleat: a steel strip, plate or steel angle piece, either continual or specific (" clip"), used to protect two or even more parts with each other.
Closed-Cut Valley: a method of valley application in which shingles from one side of the valley expand across the valley while shingles from the opposite are trimmed back about 2 inches (51mm) from the valley centerline.
Closure Strip: a steel or durable strip, such as neoprene foam, utilized to shut openings produced by signing up with steel panels or sheets and also flashings.
Coal Tar: a dark brown to black tinted, semi-solid hydrocarbon gotten as deposit from the partial evapo-ration or distillation of coal tars. Coal tar pitch is more fine-tuned to satisfy the adhering to roofing grade 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 membrane layers, adapting ASTM D 450, Type III.
Coal Tar why not check here Pitch: a coal tar utilized as the waterproofing agent in dead-level or low-slope built-up roof mem-branes, satisfying ASTM Requirements 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 Requirements D 450, Kind II.
Coated Base Sheet: a felt that has formerly been filled (loaded or fertilized) with asphalt as well as later covered with more difficult, much more thick asphalt, which substantially boosts its impermeability to wetness.
Covered Fabric: fabrics that have actually been fertilized and/or coated with a plastic-like product in the type of an option, dispersion hot-melt, or powder. The term likewise applies to materials resulting from the application of a preformed movie to a material through calendering.
Coated Felt (Sheet): (1) an asphalt-saturated felt that has actually likewise been covered on both sides with more difficult, more viscous "coating" asphalt; (2) a glass fiber felt that has been all at once fertilized and also coated with asphalt on both sides.
Finishing: a layer of product spread over a surface area for security or decoration. Coatings for SPF are typically fluids, semi-liquids, or mastics; spray, roller, or brush used; and cured to an elastomeric consistency.
Cohesion: the degree of inner bonding of one substance to itself.
Cold Refine Built-Up Roof: a continuous, semi-flexible roof membrane, containing a ply or plies of felts, mats or various other reinforcement textiles that are laminated along with alternating layers of liquid-applied (generally asphalt-solvent based) roof cements or adhesives mounted at ambient or a somewhat elevated temperature.
Combustible: capable of burning.
Compatible Materials: two or even more materials that can be mixed, mixed, or connected without dividing, responding, or affecting the products detrimentally.
Composition Shingle: a system of asphalt tile roofing.
Concealed-Nail Technique: an approach of asphalt roll roofing application in which all nails are driven right into the underlying course of roofing and also covered by an adhered, overlapping program.
Condensation: the conversion of water vapor or other gas to fluid state as the temperature goes down or atmos-pheric pressure increases. (Also see Dew Point.).
Conductor Head: a change component between a through-wall scupper and also downspout to gather as well as direct run-off water.
Contact Seals: adhesives made use of to adhere or bond various roofing parts. These adhesives stick mated parts instantly on contact of surfaces to which the adhesive has been used.
Contamination: the procedure of making a material or surface dirty or unsuited for its desired function, typically by the enhancement or accessory of undesirable international compounds.
Coping: the covering item on top of a wall which is revealed to the weather condition, typically made of metal, stonework, or stone. It is preferably sloped to shed water back onto the roof.
Copper: a natural weathering steel used in steel roofing; commonly used in 16 or 20 ounce per square foot density (4.87 or 6.10 kg/sq m).
Cornice: the ornamental horizontal molding or forecasted roof overhang.
Counterflashing: formed metal sheeting protected on or right into a wall, aesthetic, pipe, rooftop system, or various other surface, to cover and also protect the upper side of the membrane layer base flashing or underlying metal flashing as well as linked fasteners from exposure to the weather condition.
Course: (1) the term used for each row of shingles of roofing material that develops the roofing, waterproofing, or blinking system; (2) one layer of a series of materials put on a surface area (e.g., a five-course wall blinking is composed of three applications of roof cement with one ply of felt or textile sandwiched in between each layer of roof concrete).
Insurance coverage: the surface covered by a specific quantity of a particular product.
Cricket: a raised roof substratum or structure, built to divert water around a chimney, aesthetic, away from a wall, expansion joint, or various other projection/penetration. (See Saddle.).
Cross Ventilation: the impact that is given when air actions via a roof tooth cavity between the vents.
Cupola: a reasonably little roofed structure, generally set on the ridge or top of a major roof location.
Suppress: (1) an increased participant used to support roof infiltrations, such as skylights, mechanical tools, hatches, etc. over the degree of the roof surface; (2) an elevated roof perimeter relatively reduced in elevation.
Cure: a procedure whereby a material is created to develop irreversible molecular links by direct exposure to chemicals, heat, stress, and/or weathering.
Heal Time: the time called for to result treating. The moment needed for a product to reach its preferable long-term physical attributes.
Cutoff: a permanent detail created to secure and stop side water motion in an insulation system, and also made use of to separate sections of a roofing system. (Note: A cutoff is different from a tie-off, which might be a temporary or permanent seal.) (See Tie-Off.).
Cutout: the open parts of a strip tile in between the tabs.