Powell Ohio ShingleRepair

A.
Absorption: the ability of a material to accept within its body quantities of gases or liquid, such as wetness.
Accelerated Weathering: the process in which materials are exposed to a regulated atmosphere where different direct exposures such as warm, water, condensation, or light are altered to amplify their impacts, therefore speeding up the weathering process. The material's physical residential properties are determined after this process and compared to the initial buildings of the unexposed product, or to the residential or commercial properties of the product that has been subjected to all-natural weathering.
Adhere: to trigger two surface areas to be held with each other by adhesion, usually with asphalt or roofing cements in built-up roofing as well as with contact concretes in some single-ply membranes.
Aggregate: rock, stone, crushed 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 products that are revealed to an environment for a period of time.
Alligatoring: the fracturing of the emerging bitumen on a built-up roof, creating a pattern of splits similar to an alligator's conceal; the splits might or might not extend via the emerging bitumen.
Light weight aluminum: a non-rusting steel in some cases utilized for steel roofing as well as blinking.
Ambient Temperature: the temperature level of the air; air temperature level.
Application Rate: the amount (mass, quantity, or thickness) of material applied per unit area.
Apron Flashing: a term made use of for a flashing located at the time of the top of the sloped roof as well as a vertical wall surface or steeper-sloped roof.
Architectural Roof shingles: tile that supplies a dimensional appearance.
Asphalt: a dark brownish or black material located in an all-natural state or, a lot more generally, left as a deposit after evaporating or otherwise refining crude oil or petroleum.
Asphalt Emulsion: a mixture of asphalt bits as well as an emulsifying agent such as bentonite clay and water. These components are incorporated by using a chemical or a clay emulsifying representative and also mixing or mixing equipment.
Asphalt Felt: an asphalt-saturated and/or an asphalt-coated felt. (See Really Felt.).
Asphalt Roof Cement: a trowelable blend of solvent-based asphalt, mineral stabilizers, other fibers and/or fillers. Categorized by ASTM Requirement D 2822-91 Asphalt Roof Cement, and also D 4586-92 Asphalt Roof Concrete, Asbestos-Free, Kind I as well as II.
Attic: the tooth cavity or open area over the ceiling as well as promptly under the roof deck of a steep-sloped roof.
B.
Back-Nailing: (also described as Blind-Nailing) the practice of nailing the back portion of a roofing ply, high roofing unit, or various other parts in a fashion so that the fasteners are covered by the following consecutive ply, or course, and are not revealed to the weather condition in the ended up roof system.
Ballast: an anchoring product, such as accumulation, or precast concrete pavers, which use the force of gravity to hold (or assist in holding) single-ply roof membranes in place.
Barrel Safe: a building account featuring a rounded account to the roof on the short axis, yet without any angle modification on a cut along the lengthy axis.
Base Flashing (membrane layer base blinking): plies or strips of roof membrane product used 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 blinking covers the edge of the area membrane. (Additionally see Flashing.).
Base Ply: the lowermost ply of roofing in a roof membrane layer or roof system.
Base Sheet: a fertilized, filled, or coated really felt placed as the first ply in some multi-ply built-up and also modified bitumen roof membrane layers.
Batten: (1) cap or cover; (2) in a metal roof: a steel closure set over, or covering the joint in between, adjacent steel panels; (3) wood: a strip of timber usually embeded in or over the structural deck, utilized to elevate and/or connect a key roof covering such as tile; (4) in a membrane layer roof system: a slim plastic, timber, or steel bar which is made use of to secure or hold the roof membrane layer and/or base flashing in position.
Batten Joint: a steel panel profile affixed to and formed around a beveled wood or metal batten.
Asphalt: (1) a class of amorphous, black or dark tinted, (strong, semi-solid, or thick) cementitious sub-stances, natural or produced, made up principally of high molecular weight hydrocarbons, soluble in carbon disulfide, and discovered in petroleum asphalts, coal tars as well as pitches, timber tars and asphalts; (2) a common term used to signify any material composed mostly of asphalt, normally asphalt or coal tar.
Blackberry (in some cases referred to as Blueberry or Tar-Boil): a tiny bubble or blister in the flood coating of an aggregate-surfaced built-up roof membrane.
Blind-Nailing: using nails that are not subjected to the climate in the ended up roofing system.
Sore: an enclosed pocket of air, which may be mixed with water or solvent vapor, entraped between imper-meable layers of felt or membrane layer, or between the membrane as well as substrate.
Barring: areas of timber (which may be preservative dealt with) built right into a roof setting up, generally attached over the deck and below the membrane layer or flashing, utilized to stiffen the deck around an opening, serve as a quit for insulation, support an aesthetic, or to function as a nailer for accessory of the membrane layer and/or blinking.
BOMA: Structure Owners & Managers Organization.
Brake: hand- or power-activated equipment made use of to form steel.
British Thermal System (BTU): the heat energy needed to raise the temperature of one pound of water one degree Fahrenheit (joule).
Brooming: an activity executed to help with embedment of a ply of roofing product right into hot asphalt by using a broom, squeegee, or special execute to smooth out the ply and also make sure contact with the bitumen or adhe-sive under the ply.
Buckle: an upwards, extended tenting variation of a roof membrane layer regularly happening over insulation or deck joints. A buckle may be an indicator of motion within the roof setting up.
Building Code: published policies and regulations established by an acknowledged company recommending design loads, treatments, and construction details for frameworks. Usually applying to designated jurisdictions (city, area, state, and so on). Building regulations control design, building, and also high quality of materials, use and also occupancy, area and also maintenance of structures as well as structures within the location for which the code has 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, textiles, or mats in between which alternate layers of bitumen are applied. Generally, built-up roof membrane layers are surfaced with mineral aggregate and also bitumen, a liquid-applied coat-ing, or a granule-surfaced cap sheet.
Bundle: a specific package of drinks or shingles.
Butt Joint: a joint formed by surrounding, separate sections of product, such as where 2 neighboring items of insulation abut.
Switch Punch: a process of caving in 2 or more densities of metal that are pressed against each various other to avoid slippage between the steel.
Butyl: rubber-like product produced by copolymerizing isobutylene with a small amount of isoprene. Butyl might be made in sheets, or blended with other elastomeric materials to make sealers and adhesives.
Butyl Finish: an elastomeric finish system stemmed from polymerized isobutylene. Butyl finishes are char-acterized by low water vapor permeability.
Butyl Rubber: a synthetic elastomer based upon isobutylene and also a small amount of isoprene. It is vulcanizable as well as includes low permeability to gases and water vapor.
Butyl Tape: a sealer tape often utilized between steel roof panel seams and finish laps; likewise used to seal other sorts of sheet steel joints, and in different sealant applications.
C.
Camber: a minor convex curve of a surface area, such as in a prestressed concrete deck.
Cover: any kind of looming or forecasting roof structure, generally over entrances or doors. Often the extreme end is unsupported.
Cant: a beveling of foam at a right angle joint for toughness and water escape.
Cant Strip: a diagonal or triangular-shaped strip of wood, wood fiber, perlite, or various other product made to serve as a progressive transitional airplane in between the straight surface of a roof deck or inflexible insulation and an upright surface.
Cap Flashing: typically made up of metal, made use of to cover or secure the top edges of the membrane base blinking, wall surface flashing, or key blinking. (See Flashing and also Coping.).
Cap Sheet: a granule-surface coated sheet utilized as the leading ply of some built-up or customized bitumen roof membranes and/or flashing.
Vein Action: the action that triggers motion of liquids by surface stress when in contact with two adjacent surface areas such as panel side laps.
Caulking: (1) the physical procedure of sealing a joint or time; (2) sealing and also making weather-tight the joints, joints, or gaps between adjacent devices by full of a sealer.
Dental caries Wall surface: a wall built or prepared to provide an air space within the wall (with or without protecting material), in which the internal and outer products are tied together by architectural framework.
CCF: 100 cubic feet.
Chalk: a fine-grained residue on the surface of a product.
Chalk Line: a line made on the roof by breaking a tight string or cable cleaned with tinted chalk. Utilized for placement purposes.
Chalking: the degradation or migration of an active ingredient, in paints, coverings, or various other materials.
Chimney: stone, stonework, upraised blog steel, or a wood mounted structure, consisting of several flues, forecasting through as well as over the roof.
Cladding: a material made use of as the exterior wall unit of a structure.
Cleat: a metal strip, plate or metal angle piece, either continuous or private (" clip"), made use of to safeguard two or even more parts together.
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 about 2 inches (51mm) from the valley centerline.
Closure Strip: a steel or durable strip, such as neoprene foam, used to shut openings produced by joining metal panels or sheets and flashings.
Coal Tar: a dark brown to black colored, semi-solid hydrocarbon gotten as residue from the partial evapo-ration or purification of coal tars. Coal tar pitch is further fine-tuned to satisfy the adhering to roofing grade specifications:.
Coal Tar Bitumen: a proprietary brand name for Type III coal tar utilized as the dampproofing or waterproof-ing agent in dead-level or low-slope built-up roof membranes, conforming to ASTM D 450, Type III.
Coal Tar Pitch: a coal tar made use of as the waterproofing representative in dead-level or low-slope built-up roof mem-branes, complying with ASTM Requirements 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 frameworks, satisfying ASTM Specification D 450, Kind II.
Layered Base Sheet: a really felt that has actually formerly been saturated (filled or fertilized) with asphalt and also later covered with more difficult, much more thick asphalt, which substantially enhances its impermeability to dampness.
Covered Material: textiles that have actually been fertilized and/or covered with a plastic-like product in the kind of a solution, diffusion hot-melt, or powder. The term also applies to materials arising from the application of a preformed film to a textile using calendering.
Covered Felt (Sheet): (1) an asphalt-saturated felt that has also been coated on both sides with more difficult, more viscous "covering" asphalt; (2) a glass fiber really felt that has been concurrently impregnated and also coated with asphalt on both sides.
Layer: a layer of material spread over a surface for defense or decoration. Coatings for SPF are generally liquids, semi-liquids, or mastics; spray, roller, or brush applied; as well as cured to an elastomeric consistency.
Communication: the degree of interior bonding of one material to itself.
Cold Refine Built-Up Roof: a continuous, semi-flexible roof membrane, consisting of a ply or plies of felts, mats or other reinforcement fabrics that are laminated flooring together with alternate layers of liquid-applied (generally asphalt-solvent based) roof seals or adhesives installed at ambient or a somewhat elevated temperature.
Combustible: with the ability of burning.
Suitable Materials: 2 or more compounds that can be combined, blended, or connected without dividing, reacting, or impacting the products negatively.
Structure Tile: a system of asphalt shingle roofing.
Concealed-Nail Technique: a method of asphalt roll roofing application in which all nails are driven into the underlying program of roofing and also covered by an adhered, overlapping course.
Condensation: the conversion of water vapor or various other gas to liquid state as the temperature goes down or atmos-pheric pressure rises. (Also see Humidity.).
Conductor Head: a transition component between a through-wall scupper as their explanation well as downspout to collect and also route run-off water.
Get in touch with Cements: adhesives used to adhere or bond different roofing parts. These adhesives stick mated components right away on call of surfaces to which the adhesive has actually been used.
Contamination: the process of making a material or surface area dirty or unsuited for its desired objective, usually by the addition or accessory of unwanted foreign materials.
Coping: the covering piece in addition to a wall which is subjected to the weather, usually made from metal, masonry, or rock. It is ideally sloped to shed water back onto the roof.
Copper: an all-natural weathering metal utilized in metal roofing; usually used in 16 or 20 ounce per square foot thickness (4.87 or 6.10 kg/sq m).
Cornice: the ornamental straight molding or predicted roof overhang.
Counterflashing: developed metal sheeting safeguarded on or right into a wall surface, aesthetic, pipe, roof system, or various other surface area, to cover and also protect the upper edge of the membrane layer base blinking or underlying metal blinking and also linked bolts from exposure to the weather condition.
Program: (1) the term utilized for each row of shingles of roofing product that develops the roofing, waterproofing, or flashing system; (2) one layer of a series of products put on a surface (e.g., a five-course wall surface blinking is composed of 3 applications of roof cement with one ply of really felt or fabric sandwiched in between each layer of roof cement).
Insurance coverage: the surface area covered by a details amount of a particular product.
Cricket: a raised roof substrate or structure, created to draw away water around a chimney, curb, far from a wall surface, expansion joint, or various other projection/penetration. (See Saddle.).
Cross Air flow: the impact that is provided when air moves via a roof tooth cavity between the vents.
Cupola: a fairly tiny roofed structure, normally set on the ridge or top of a main roof area.
Suppress: (1) an increased participant utilized to sustain roof penetrations, such as skylights, mechanical equipment, hatches, and so on above the degree of the roof surface; (2) an elevated roof boundary relatively reduced in elevation.
Remedy: a process where a material is created to form long-term molecular links by direct exposure to chemicals, warm, stress, and/or weathering.
Cure Time: the time needed to effect treating. The moment required for a material to reach its preferable long-term physical attributes.
Cutoff: a permanent detail designed to seal and also stop side water movement in an insulation system, and used to isolate sections of a roofing system. (Note: A cutoff see here is different from a tie-off, which might be a short-term or long-term seal.) (See Tie-Off.).
Intermediary: the open portions of a strip tile in between the tabs.