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Here are some commonly used terms you may hear when we are discussing your Maryland roofing<\/a> project:<\/p>\n- \n
- Asphalt:<\/strong>\u00a0\u00a0A bituminous waterproofing agent applied to roofing materials during manufacturing.\u00a0<\/li>\n
- Asphalt plastic roofing cement:<\/strong><\/span> An asphalt-based cement used to bond roofing materials, including flashing.<\/li>\n
- Base flashing:<\/strong>\u00a0 That portion of the flashing attached to or resting on the deck to direct the flow of water onto the roof covering.<\/li>\n
- Blisters:<\/strong>\u00a0 Bubbles that may appear on the surface of asphalt roofing after installation.<\/li>\n
- Built-up roof:<\/strong>\u00a0 A flat- or low-sloped roof consisting of multiple layers of asphalt and ply sheets.<\/li>\n
- Butt edge:<\/strong>\u00a0 The lower edge of the shingle tabs.<\/li>\n
- Caulk:<\/strong> To fill a joint with mastic or asphalt cement to prevent leaks.<\/li>\n
- Coating:<\/strong>\u00a0\u00a0A layer of viscous asphalt applied to the base material into which granules or other surfacing is embedded.<\/li>\n
- Collar:<\/strong> \u00a0Pre-formed flange placed over a vent pipe to seal the roof around the vent pipe opening (also called a vent- sleeve<\/strong>).<\/li>\n
- Counter flashing:<\/strong> That portion of the flashing attached to a vertical surface to prevent water from migrating behind the base flashing.<\/li>\n
- Course:<\/strong>\u00a0 A row of shingles or roll roofing running the length of the roof.<\/li>\n
- Cricket:<\/strong>\u00a0\u00a0A peaked saddle construction at the back of a chimney to prevent accumulation of snow and ice and to deflect water around the chimney.<\/li>\n
- Cutout:<\/strong>\u00a0 The open portions of a strip shingle between the tabs.<\/li>\n
- Deck:<\/strong>\u00a0 The surface installed over the supporting framing members to which the roofing is applied.<\/li>\n
- Dormer:<\/strong>\u00a0 A framed window unit projecting through the sloping plane of a roof.<\/li>\n
- Downspout:<\/strong> A pipe for draining water from roof gutters (also called a leader<\/strong>).<\/li>\n
- Drip edge:<\/strong>\u00a0 A non-corrosive, non-staining material used along the eaves and rakes to allow water run-off to drip clear of underlying construction.<\/li>\n
- Eaves:<\/strong>\u00a0 The horizontal, lower edge of a sloped roof.<\/li>\n
- Eave flashing:<\/strong>\u00a0 Additional layer of roofing material applied at the eaves to help prevent damage from water back-up.<\/li>\n
- Edging strips:<\/strong> \u00a0Boards nailed along eaves and rakes after cutting back existing wood shingles to provide secure edges for reroofing with asphalt shingles.<\/li>\n
- Feathering strips:<\/strong> \u00a0Tapered wood filler strips placed along the butts of old wood shingles to create a level surface when reroofing over existing wood shingle roofs.<\/li>\n
- Felt:<\/strong> \u00a0Fibrous material saturated with asphalt and used as an underlayment or sheathing paper.<\/li>\n
- Fiberglass mat:<\/strong> \u00a0An asphalt roofing base material manufactured from glass fibers.<\/li>\n
- Flashing:<\/strong> Pieces of galvanized metal (usually aluminum or copper) or roll roofing used to prevent seepage of water into a building around any intersection or projection in a roof such as vent pipes, chimneys, adjoining walls, dormers and valleys.<\/li>\n
- Free-tab shingles:<\/strong> Shingles that do not contain factory-applied strips or spots of self-sealing adhesive.<\/li>\n
- Gable:<\/strong>\u00a0 The upper portion of a sidewall that comes to a triangular point at the ridge of a sloping roof.<\/li>\n
- Gable roof:<\/strong> A type of roof containing sloping planes of the same pitch on each side of the ridge, with a gable at each end.<\/li>\n
- Gambrel roof:<\/strong>\u00a0 A type of roof containing two sloping planes of different pitch on each side of the ridge. The lower plane has a steeper slope than the upper. Contains a gable at each end.<\/li>\n
- Granules:<\/strong>\u00a0 Ceramic-coated colored crushed rock that is applied to the exposed surface of asphalt roofing products.<\/li>\n
- Gutter:<\/strong>\u00a0 The trough that channels water from the eaves to the downspouts.<\/li>\n
- Hip:<\/strong>\u00a0 The inclined external angle formed by the intersection of two sloping roof planes. Runs from the ridge to the eaves.<\/li>\n
- Hip roof:<\/strong> A type of roof containing sloping planes of the same pitch on each of four sides. Contains no gables.<\/li>\n
- Hip shingles:<\/strong> Shingles used to cover the inclined external angle formed by the intersection of two sloping roof planes.<\/li>\n
- Ice dam:<\/strong>\u00a0 Condition formed at the lower roof edge by the thawing and re-freezing of melted snow on the overhang. Can force water up and under shingles, causing leaks.<\/li>\n
- Interlocking shingles:<\/strong> Individual shingles that mechanically fasten to each other to provide wind resistance.<\/li>\n
- Laminated shingles:<\/strong>\u00a0 Strip shingles containing more than one layer of tabs to create extra thickness. Also called three-dimensional shingles or architectural shingles.<\/li>\n
- Lap:<\/strong> To cover the surface of one shingles or roll with another.<\/li>\n
- Lap cement:<\/strong>\u00a0 An asphalt-based cement used to adhere overlapping plies of roll roofing.<\/li>\n
- Mansard roof:<\/strong>\u00a0 A type of roof containing two sloping planes of different pitch on each of four sides. The lower plane has a much steeper pitch than the upper, often approaching vertical. Contains no gables.<\/li>\n
- Masonry primer:<\/strong> An asphalt-based primer used to prepare masonry surfaces for bonding with other asphalt products.<\/li>\n
- Mineral-surfaced roofing:<\/strong>\u00a0 Asphalt shingles and roll roofing that are covered with granules.<\/li>\n
- Nesting:<\/strong> A method of reroofing with new asphalt shingles over old shingles in which the top edge of the new shingle is butted against the bottom edge of the existing shingle tab.<\/li>\n
- No-cutout shingles:<\/strong>\u00a0 Shingles consisting of a single, solid tab with no cutouts.<\/li>\n
- Open valley:<\/strong>\u00a0 Method of valley construction in which shingles on both sides of the valley are trimmed along a chalk line snapped on each side of the valley. Shingles do not extend across the valley. Valley flashing is exposed.<\/li>\n
- Organic felt:<\/strong> \u00a0An asphalt roofing base material manufactured from cellulose fibers.<\/li>\n
- Overhang:<\/strong>\u00a0 That portion of the roof structure that extends beyond the exterior walls of a building.<\/li>\n
- Pitch:<\/strong>\u00a0 The degree of roof incline expressed as the ratio of the rise, in feet, to the span, in feet.<\/li>\n
- Ply:<\/strong> The number of layers of roofing: i.e. one-ply, two-ply.<\/li>\n
- Rafter:<\/strong>\u00a0 The supporting framing member immediately beneath the deck, sloping from the ridge to the wall plate.<\/li>\n
- Rake:<\/strong>\u00a0 The inclined edge of a sloped roof over a wall.<\/li>\n
- Ridge:<\/strong>\u00a0 The uppermost, horizontal external angle formed by the intersection of two sloping roof planes.<\/li>\n
- Ridge shingles or ridge cap:<\/strong> Shingles used to cover the horizontal external angle formed by the intersection of two sloping roof planes.<\/li>\n
- Rise:<\/strong>\u00a0 The vertical distance from the eaves line to the ridge.<\/li>\n
- Roll roofing:<\/strong>\u00a0 Asphalt roofing products manufactured in roll form.<\/li>\n
- Roofing tape:<\/strong>\u00a0\u00a0An asphalt-saturated tape used with asphalt cements for flashing and patching asphalt roofing.<\/li>\n
- Run:<\/strong>\u00a0 The horizontal distance from the eaves to a point directly under the ridge. One half the span.<\/li>\n
- Saturant:<\/strong>\u00a0 Asphalt used to impregnate an organic felt base material.<\/li>\n
- Saturated felt:<\/strong> An asphalt-impregnated felt used as an underlayment between the deck and the roofing material.<\/li>\n
- Self-sealing shingles:<\/strong>\u00a0 Shingles containing factory-applied strips or spots of self-sealing adhesive.<\/li>\n
- Self-sealing strip or spot:<\/strong>\u00a0 Factory-applied adhesive that bonds shingle courses together when exposed to the heat of the sun after application.<\/li>\n
- Shading:<\/strong>\u00a0 Slight differences in shingle color that may occur as a result of normal manufacturing operations.<\/li>\n
- Sheathing:<\/strong> Exterior grade boards used as a roof deck material.<\/li>\n
- Shed roof:<\/strong>\u00a0 A roof containing only one sloping plane. Has no hips, ridges, valleys or gables.<\/li>\n
- Slope:<\/strong> The degree of roof incline expressed as the ratio of the rise, in inches, to the run, in feet.<\/li>\n
- Smooth-surfaced roofing:<\/strong> Roll roofing that is covered with ground talc or mica instead of granules (coated).<\/li>\n
- Soffit:<\/strong> The finished underside of the eaves.<\/li>\n
- Soil stack:<\/strong> A vent pipe that penetrates the roof.<\/li>\n
- Span:<\/strong> The horizontal distance from eaves to eaves.<\/li>\n
- Square:<\/strong>\u00a0 A unit of roof measure covering 100 square feet. A roof with a field area of 2,500 square feet would be called a 25 square roof.<\/li>\n
- Starter strip:<\/strong>\u00a0\u00a0Asphalt roofing applied at the eaves that provide protection by filling in the spaces under the cutouts and joints of the first course of shingles.<\/li>\n
- Step flashing:<\/strong>\u00a0\u00a0Flashing application method used where a vertical surface meets a sloping roof plane.<\/li>\n
- Tab:<\/strong>\u00a0 The exposed portion of strip shingles defined by cutouts.<\/li>\n
- Telegraphing:<\/strong>\u00a0 A shingle distortion that may arise when a new roof is applied over an uneven surface.<\/li>\n
- Top lap:<\/strong> That portion of the roofing covered by the succeeding course after installation.<\/li>\n
- Underlayment:<\/strong> \u00a0Asphalt saturated felt used beneath roofing to provide additional protection for the deck.<\/li>\n
- Valley:<\/strong>\u00a0 The internal angle formed by the intersection of two sloping roof planes.<\/li>\n
- Vapor retarder:<\/strong> Any material used to prevent the passage of water vapor.<\/li>\n
- Vent:<\/strong>\u00a0 Any outlet for air that protrudes through the roof deck such as a pipe or stack. Any device installed on the roof, gable, or soffit for the purpose of ventilating the underside of the roof deck.<\/li>\n<\/ul>\n
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DryTech Roofing believes that the more educated our customers are about their Maryland roofing system, the more informed their decisions will be. And informed decisions mean better projects that run more smoothly and exceed the expectations of homeowners from Belair, MD to Laurel, MD. Here are some commonly used terms you may hear when we […]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":2249,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"
DryTech Roofing believes that the more educated our customers are about their Maryland roofing system, the more informed their decisions will be. And informed decisions mean better projects that run more smoothly and exceed the expectations of homeowners from Belair MD to Laurel MD.<\/p>
- Asphalt plastic roofing cement:<\/strong><\/span> An asphalt-based cement used to bond roofing materials, including flashing.<\/li>\n