Columbus Ohio RoofRepair

A.
Absorption: the capacity of a material to accept within its body quantities of gases or liquid, such as dampness.
Accelerated Wear and tear: the process in which products are subjected to a controlled setting where numerous exposures such as warm, water, condensation, or light are altered to amplify their effects, therefore accelerating the weathering procedure. The product's physical buildings are determined after this procedure as well as contrasted to the initial homes of the unexposed material, or to the residential properties of the material that has actually been subjected to natural weathering.
Adhere: to trigger two surface areas to be held together by attachment, commonly with asphalt or roofing concretes in built-up roofing as well as with call cements in some single-ply membrane layers.
Aggregate: rock, stone, crushed stone, crushed slag, water-worn gravel or marble chips made use of for appearing and/or ballasting a roof system.
Aging: the impact on materials that are revealed to an atmosphere for an interval of time.
Alligatoring: the splitting of the surfacing bitumen on a built-up roof, generating a pattern of cracks comparable to an alligator's conceal; the cracks might or may not expand via the surfacing asphalt.
Aluminum: a non-rusting metal sometimes utilized for steel roofing and also flashing.
Ambient Temperature: the temperature of the air; air temperature.
Application Rate: the quantity (mass, quantity, or thickness) of material used each location.
Apron Flashing: a term made use of for a flashing located at the time of the top of the sloped roof and an upright wall surface or steeper-sloped roof.
Architectural Shingle: tile that provides a dimensional look.
Asphalt: a dark brownish or black compound found in an all-natural state or, much more frequently, left as a deposit after evaporating or otherwise processing crude oil or petroleum.
Asphalt Emulsion: a combination of asphalt fragments and an emulsifying representative such as bentonite clay and also water. These elements are combined by using a chemical or a clay emulsifying representative and mixing or mixing equipment.
Asphalt Felt: an asphalt-saturated and/or an asphalt-coated really felt. (See Really Felt.).
Asphalt Roof Concrete: a trowelable mixture of solvent-based asphalt, mineral stabilizers, various other fibers and/or fillers. Identified by ASTM Standard D 2822-91 Asphalt Roof Cement, and also D 4586-92 Asphalt Roof Concrete, Asbestos-Free, Kind I and also 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 method of toenailing the back portion of a roofing ply, steep roofing system, or other elements in a fashion so that the fasteners are covered by the next consecutive ply, or program, and are not subjected to the climate in the finished roof system.
Ballast: an anchoring product, such as aggregate, or precast concrete pavers, which use the force of gravity to hold (or assist in holding) single-ply roof membranes in place.
Barrel Vault: a building profile featuring a rounded profile to the roof on the brief axis, yet without angle modification on a cut along the long axis.
Base Flashing (membrane base flashing): plies or strips of roof membrane layer material made use of to close-off and/or seal a roof at the roof-to-vertical junctions, such as at a roof-to-wall juncture. Membrane layer base flashing covers the side of the field membrane layer. (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 put as the first 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 set over, or covering the joint in between, nearby metal panels; (3) timber: a strip of wood usually embeded in or over the architectural deck, utilized to boost and/or attach a main roof covering such as tile; (4) in a membrane roof system: a slim plastic, timber, or metal bar which is utilized to fasten or hold the roof membrane and/or base blinking in position.
Batten Seam: a metal panel account attached to as well as developed around a diagonal wood or metal batten.
Asphalt: (1) a course of amorphous, black or dark tinted, (solid, semi-solid, or thick) cementitious sub-stances, all-natural or produced, composed principally of high molecular weight hydrocarbons, soluble in carbon disulfide, as well as discovered in oil asphalts, coal tars and also pitches, wood tars as well as asphalts; (2) a common term utilized to represent any product composed mainly of bitumen, generally asphalt or coal tar.
Blackberry (occasionally referred to as Blueberry or Tar-Boil): a little bubble or blister in the flood finishing of an aggregate-surfaced built-up roof membrane.
Blind-Nailing: the use of nails that are not subjected to the weather condition in the completed roof.
Blister: an encased pocket of air, which might be blended with water or solvent vapor, trapped between imper-meable layers of felt or membrane layer, or in between the membrane layer as well as substratum.
Barring: areas of timber (which may be preservative treated) built into a roof setting up, typically connected above the deck as well as listed below the membrane layer or flashing, used to tense the deck around an opening, work as a quit for insulation, support a visual, or to work as a nailer for accessory of the membrane and/or blinking.
BOMA: Building Owners & Managers Organization.
Brake: hand- or power-activated machinery made use of to develop metal.
British Thermal Device (BTU): the heat required to elevate the temperature level of one extra pound of water one degree Fahrenheit (joule).
Brooming: an activity accomplished to assist in embedment of a ply of roofing material into warm asphalt by utilizing a mop, squeegee, or unique apply to smooth out the ply and guarantee contact with the asphalt or adhe-sive under the ply.
Distort: an upward, elongated tenting variation of a roof membrane regularly happening over insulation or deck joints. A buckle might be an indication of activity within the roof assembly.
Building Code: released policies and statutes established by a recognized company prescribing layout loads, treatments, and construction details for frameworks. Typically relating to designated territories (city, county, state, and so on). Building ordinance control layout, construction, as well as top quality of materials, usage and also occupancy, place and also maintenance of buildings and also frameworks within the location for which the code has been embraced.
Built-Up Roof Membrane Layer (BUR): a continuous, semi-flexible multi-ply roof membrane layer, consisting of plies or layers of saturated felts, covered felts, materials, or floor coverings between which alternate layers of asphalt are applied. Typically, built-up roof membrane layers are emerged with mineral accumulation why not look here and also bitumen, a liquid-applied coat-ing, or a granule-surfaced cap sheet.
Bundle: a private bundle of shakes or shingles.
Butt Joint: a joint created by surrounding, separate areas of product, such as where two bordering pieces of insulation abut.
Switch Punch: a procedure of caving in two or even more thicknesses of metal that are pressed against each other to avoid slippage between the steel.
Butyl: rubber-like material created by copolymerizing isobutylene with a percentage of isoprene. Butyl might be made in sheets, or blended with other elastomeric materials to make Check This Out sealants and also adhesives.
Butyl Covering: an elastomeric layer system derived from polymerized isobutylene. Butyl finishes are char-acterized by low water vapor permeability.
Butyl Rubber: a synthetic elastomer based on isobutylene as well as a small amount of isoprene. It is vulcanizable and also includes low permeability to gases and also water vapor.
Butyl Tape: a sealer tape occasionally utilized between metal roof panel joints and also finish laps; also utilized to seal other kinds of sheet steel joints, and in numerous sealer applications.
C.
Camber: a minor convex curve of a surface, such as in a prestressed concrete deck.
Cover: any type of looming or predicting roof framework, typically over entrances or doors. Sometimes the severe end is unsupported.
Cant: a beveling of foam at an appropriate angle joint for toughness and also water escape.
Cant Strip: a diagonal or triangular-shaped strip of timber, wood fiber, perlite, or various other material designed to act as a steady transitional airplane in between the horizontal surface area of a roof deck or stiff insulation and an upright surface area.
Cap Flashing: usually composed of steel, made use of to cover or protect the upper edges of the membrane base blinking, wall blinking, or primary blinking. (See Flashing and Coping.).
Cap Sheet: a granule-surface layered sheet used as the top ply of some built-up or customized asphalt roof membrane layers and/or blinking.
Blood vessel Activity: the action that triggers movement of liquids by surface area tension when touching 2 adjacent surface areas such as panel side laps.
Caulking: (1) the physical process of sealing a joint or time; (2) securing and making weather-tight the joints, joints, or gaps between surrounding systems by filling with a sealer.
Cavity Wall: a wall surface constructed or organized to supply an air room within the wall (with or without protecting material), in which the internal and also external materials are tied together by architectural framing.
CCF: 100 cubic feet.
Chalk: a grainy residue externally of a product.
Chalk Line: a line made on the roof by breaking a tight string or cable dusted with colored chalk. Used for positioning objectives.
Chalking: the destruction or movement of an ingredient, in paints, finishings, or various other products.
Chimney: stone, stonework, built metal, or a timber framed structure, consisting of one or more flues, forecasting with as well as over the roof.
Cladding: a product utilized as the exterior wall room of a structure.
Cleat: a metal strip, plate or metal angle piece, either continuous or individual (" clip"), used to safeguard 2 or even more elements 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 metal or resistant strip, such as neoprene foam, made use of to close openings created by joining steel panels or sheets as well as flashings.
Coal Tar: a dark brown to black tinted, semi-solid hydrocarbon gotten as residue from the partial evapo-ration or distillation of coal tars. Coal tar pitch is more fine-tuned to comply with the following roofing quality requirements:.
Coal Tar Asphalt: a proprietary trade name for Kind III coal tar utilized as the dampproofing or waterproof-ing agent in dead-level or low-slope built-up roof membrane layers, satisfying ASTM D 450, Type III.
Coal Tar Pitch: a coal tar used as the waterproofing representative in dead-level or low-slope built-up roof mem-branes, satisfying ASTM Spec D 450, Type I or Kind III.
Coal Tar Waterproofing Pitch: a coal tar used as the dampproofing or waterproofing representative in below-grade structures, conforming to ASTM Requirements D 450, Kind II.
Coated Base Sheet: a really felt that has formerly been you can find out more filled (loaded or impregnated) with asphalt and also later covered with more difficult, extra viscous asphalt, which substantially boosts its impermeability to dampness.
Covered Textile: materials that have actually been impregnated and/or coated with a plastic-like product in the form of an option, dispersion hot-melt, or powder. The term likewise relates to materials resulting from the application of a preformed movie to a fabric through calendering.
Layered Felt (Sheet): (1) an asphalt-saturated felt that has actually likewise been covered on both sides with more difficult, a lot more thick "covering" asphalt; (2) a glass fiber really felt that has actually been concurrently fertilized and coated with asphalt on both sides.
Finish: a layer of product spread over a surface for protection or design. Coatings for SPF are typically fluids, semi-liquids, or mastics; spray, roller, or brush applied; as well as treated to an elastomeric uniformity.
Communication: the level of internal bonding of one substance to itself.
Cold Process Built-Up Roof: a continual, semi-flexible roof membrane, containing a ply or plies of felts, mats or other reinforcement textiles that are laminated along with alternating layers of liquid-applied (usually asphalt-solvent based) roof cements or adhesives mounted at ambient or a somewhat raised temperature.
Combustible: with the ability of internet burning.
Suitable Products: 2 or more substances check these guys out that can be blended, blended, or connected without dividing, reacting, or impacting the materials negatively.
Composition Roof shingles: an unit of asphalt shingle roofing.
Concealed-Nail Technique: 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 program.
Condensation: the conversion of water vapor or other gas to fluid state as the temperature level drops or atmos-pheric pressure rises. (Additionally see Humidity.).
Conductor Head: a shift component in between a through-wall scupper as well as downspout to gather and route run-off water.
Call Cements: adhesives used to stick or bond different roofing elements. These adhesives adhere mated components right away on get in touch with of surface areas to which the adhesive has actually been applied.
Contamination: the procedure of making a material or surface dirty or unsuited for its desired function, usually by the enhancement or attachment of unwanted foreign compounds.
Coping: the covering piece on top of a wall which is revealed to the climate, usually made of metal, masonry, or stone. It is preferably sloped to lose water back onto the roof.
Copper: an all-natural weathering metal utilized in steel roofing; normally used in 16 or 20 ounce per square foot density (4.87 or 6.10 kg/sq m).
Cornice: the decorative straight molding or predicted roof overhang.
Counterflashing: developed steel sheeting secured on or right into a wall, aesthetic, pipeline, rooftop system, or various other surface area, to cover as well as protect the upper side of the membrane base flashing or underlying steel blinking and connected bolts from exposure to the climate.
Course: (1) the term utilized for each and every row of shingles of roofing material that develops the roofing, waterproofing, or blinking system; (2) one layer of a collection of products applied to a surface (e.g., a five-course wall surface flashing is made up of three applications of roof cement with one ply of felt or material sandwiched in between each layer of roof cement).
Protection: the surface covered by a specific quantity of a specific material.
Cricket: a raised roof substratum or framework, created to draw away water around a smokeshaft, aesthetic, far from a wall surface, expansion joint, or other projection/penetration. (See Saddle.).
Cross Air flow: the effect that is supplied when air actions via a roof dental caries in between the vents.
Cupola: a reasonably tiny roofed framework, usually established on the ridge or optimal of a major roof location.
Suppress: (1) an elevated participant utilized to support roof penetrations, such as skylights, mechanical devices, hatches, and so on over the level of the roof surface; (2) a raised roof perimeter relatively reduced in elevation.
Remedy: a process whereby a material is created to create long-term molecular links by exposure to chemicals, warmth, stress, and/or weathering.
Treat Time: the time called for to effect healing. The moment required for a material to reach its preferable long-lasting physical attributes.
Cutoff: a long-term detail made to secure and prevent side water motion in an insulation system, and also utilized to isolate areas of a roof. (Note: A cutoff is different from a tie-off, which might be a momentary or long-term seal.) (See Tie-Off.).
Cutout: the open parts of a strip shingle in between the tabs.