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Self-sealing shingles
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Shingles containing factory-applied strips or spots of self-sealing adhesive
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Self-sealing strip or spot
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Factory-applied adhesive that bonds shingle courses together when exposed to the heat of the sun after application
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Shading
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Slight differences in shingle color that may occur as a result of normal manufacturing operations
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Sheathing
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Exterior grade boards used as a roof deck material
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Shed roof
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A roof containing only one sloping plane. Has no hips, ridges, valleys or gables
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Slope
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The degree of roof incline expressed as the ratio of the rise, in inches, to the run, in feet
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Soffit
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The finished underside of the eaves
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Span
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The horizontal distance from eaves to eaves
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Square
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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
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Stack
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A vent pipe that penetrates the roof
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Starter strip
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Asphalt roofing applied at the eaves that provide protection by filling in the spaces under the cutouts and joints of the first course of shingles
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