This page gathers the 68 dictionary entries belonging to the domain “Roofing”, as labelled by Wiktionary. Each word leads to its full entry: definitions, etymology, pronunciation, examples.
- aged R-value noun thermal resistance value established by using artificial conditioning procedures for a prescribed period of time.
- aggregate noun Crushed stone, crushed slag or water-worn gravel used for surfacing a built-up roof system.
- alligatoring noun The cracking of the surfacing bitumen on a bituminous roof or coating on a SPF roof, producing a pattern of cracks similar to an…
- apron flashing noun A flashing located at the juncture of the top of a sloped roof and a vertical wall, chimney or steeper-sloped roof.
- architectural panel noun A metal roof panel, typically a double standing seam or batten seam; usually requires solid decking underneath and relies of slope to shed…
- asphalt shingle noun A shingle manufactured by coating a reinforcing material (felt or fibrous glass mat) with asphalt and having mineral granules on the side…
- barrel vault noun A building profile featuring a rounded profile to the roof on the short axis, but with no angle change on a cut along the long axis.
- barrier board noun noncombustible board stock material of low thermal conductivity placed between two elements of a roof assembly.
- base flashing noun Plies or strips of roof membrane material used to close-off and/or seal a roof at the horizonta-to-vertical intersections. Membrane base…
- Bermuda seam noun a metal panel profile featuring a step-down profile that runs perpendicular to the slope of the roof.
- blister noun An enclosed pocket of air, which may be mixed with water or solvent vapor, trapped between impermeable layers of felt or between the…
- broom verb To improve the embedding of a membrane by using a broom or squeegee to smooth it out and ensure contact with the adhesive under the…
- buckle noun An upward, elongated displacement of a roof membrane, frequently occurring over deck joints or insulation, which may indicate movement of…
- built-up roof noun A continuous, semi-flexible roof membrane, consisting of multiple plies of saturated felts, coated felts, fabrics or mats assembled in…
- cant strip noun a beveled strip used under flashings to modify the angle at the point where the roofing or waterproofing membrane meets any vertical…
- cap flashing noun Flashing, usually composed of metal, used to cover or shield the upper edges of the membrane base flashing; wall flashing can also be used…
- closed-cut valley noun a method of valley application in which shingles from one side of the valley extend across the valley while shingles from the other side…
- counter batten noun vertical wood strips installed on sloped roofs over which horizontal battens are secured. The primary roof covering is attached or secured…
- course noun A row of material that forms the roofing, waterproofing or flashing system.
- cover board noun An insulation board used over closed cell plastic insulation (e.g., polyisocyanurate) to prevent blistering when used in conjunction with…
- cutback noun Solvent-thinned bitumen used in cold process roofing adhesives, cements and coatings.
- dimensional shingle noun A shingle that is textured, overlayed, or laminated and designed to produce a three-dimensional effect.
- double coverage noun Application of asphalt, slate, or wood roofing such that the lapped portion is at least two inches wider than the exposed portion…
- drip edge noun A metal flashing or other overhanging component with an outward projecting lower edge, intended to control the direction of dripping water…
- edge venting noun The practice of providing regularly spaced or continuously protected openings along a roof edge or perimeter, used as part of a ventilation…
- feathering strip noun One of the tapered wood filler strips placed along the butt ends of old wood shingles to create a relatively smooth surface when reroofing…
- fishmouth noun A half-cylindrical or half-conical shaped opening or void in a lapped edge or seam, usually caused by wrinkling or shifting of ply sheets…
- flashing noun Components used to weatherproof or seal roof system edges at perimeters, penetrations, walls, expansion joints, valleys, drains and other…
- flashing collar noun an accessory flashing used to cover and/or seal soil pipe vents and other penetrations through a roof (sometimes referred to as roof jack…
- fleece noun Mat or felts composed of fibers, sometimes used as a membrane backer.
- fly in noun A method of application for roll materials by which the dry sheet is set into the bitumen or adhesive applied to the roof surface.
- glass felt noun glass fibers bonded into a sheet with resin and suitable for impregnation with asphalt in the manufacture of bituminous waterproofing…
- glaze coat noun a thin protective coating of bitumen applied to the lower plies or top ply of a roof membrane when application of additional felts or…
- gusset noun A large flat metal piece wider than the valley to help prevent build-up at the base of the valley, either from debris or ice dam formations.
- ice dam noun A mass of ice formed at the transition from a warm to a cold roof surface, frequently formed by refreezing meltwater at the overhang of a…
- interlayment noun a felt, metal, or membrane sheet material used between courses of steep-slope roofing to improve the weather and water-shedding…
- kneecap noun A metal cover trim that fits over a panel rib after it has been cut and bent.
- live load noun Temporary load that the roof structure must be designed to support, as required by governing building codes. Live loads are generally…
- mop-and-flop noun an application procedure in which roofing elements (insulation boards, felt plies, cap sheets, etc.) are initially placed upside down…
- nail sick adj Of a house, a roof, or a ship, exhibiting degraded or corroded nails, or otherwise unsound fastenings.
- nuclear hydrogen detection meter noun A device that contains a radioactive source to emit high velocity neutrons into a roof system. Reflecting neutrons are measured by a gauge…
- oil-canning noun A moderate deformation or buckling of sheet material, particularly common with flat sheet metal surfaces.
- open valley noun a method of valley construction in which the steep-slope roofing on both sides are trimmed along each side of the valley, exposing the…
- overspray surface texture noun In SPF roofing, a condition of the foam in which the surface shows a linear course textured pattern and/or a pebbled surface. This surface…
- pan noun The bottom flat part of a roofing panel that is between the ribs of the panel.
- picture framing noun A square or rectangular pattern of ridges in a roof membrane or covering over insulation or deck joints.
- protected membrane roof noun an insulated and ballasted roofing assembly in which the insulation and ballast are applied on top of the membrane (sometimes referred to…
- racking noun A method of asphalt shingle application, whereby shingle courses are applied vertically, up the roof rather than laterally across and up.
- rake noun The sloped edge of a roof at or adjacent to the first or last rafter.
- recover verb To add a new roof membrane or steep-slope covering over an existing one.
- ridge course noun The last or top course of roofing materials, such as tile, roll roofing, shingles, etc. that covers the ridge and overlaps the intersecting…
- ridge tile noun A curved or bent tile specifically designed to cover the apex or ridge of a pitched roof, where two roof planes converge.
- roof assembly noun an assembly of interacting roof components including the roof deck, vapor retarder (if needed), insulation and roof covering.
- roof curb noun A raised frame used to mount mechanical units (such as air conditioning or exhaust fans), skylights, etc. on a roof.
- screen wall noun a nonstructural wall erected around units or curbs on a roof. Typically the framing consists of girts with a wood or metal covering…
- shark fin noun An upward curled felt side lap or end lap.
- single-ply membrane noun Roofing membranes that are field applied using just one layer of membrane material (either homogeneous or composite rather than multiple…
- single-ply roof noun A roof system in which the principal roof covering is a single layer of flexible membrane often thermoset or thermoplastic.
- slip sheet noun Sheet material, such as reinforced kraft paper, rosin-sized paper, polyester scrim or polyethylene sheeting, placed between two components…
- snow load noun The live load due to the weight of snow on a structure, such as a roof; included in the design calculations.
- spud verb To remove the roofing aggregate and most of the bituminous top coating by scraping and chipping.
- square noun A unit used in measuring roof area equivalent to 100 square feet (9.29 m²) of roof area. The materials for roofing jobs are often billed by…
- standing seam noun A type of seam between adjacent sheets of metal roofing material made by turning up the edges of two adjacent panels and then folding or…
- starter strip noun Roll roofing or shingle strips applied along the downslope eave line before the first course of roofing and intended to fill spaces between…
- step flashing noun Individual pieces of sheet metal material used to flash walls, around chimneys, dormers and such projections along the slope of a roof.…
- striation noun a parallel series of small grooves, channels, or impressions typically within a metal roof panel used to help reduce the potential for…
- tear off verb To remove all of a roof (shingles, etc.) down to the wood deck.
- torch down verb To use a propane torch to burn sheets of modified bitumen, a technique used on roofs to provide waterproofing and fire resistance.