Dictionary

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Saddle

A small structure that helps channel surface water to drains, frequently located in a valley, and often constructed like a small hip roof or like a pyramid with a diamond-shaped base.

See also: Cricket
SBS

Styrene Butadene Syrene used to make asphalt more viscous at low temperatures. Roofing materials modified in this way are very elastic. Such products are often called "mop-down" because they are applied using asphalt as the adhesive.

Sealant

A mixture of polymers, fillers, and pigments used to fill and seal joints where moderate movement is expected; it cures to a resilient solid.

Shake

A rough, unshaved wood shingle.

Sheathing

The boards or other material used for covering the frame or roof structure.

Shingle

(1) A small unit of prepared roofing material designed for installation with similar units in overlapping rows on inclines normally exceeding 25 percent; (2) to cover with singles; (3) to apply any sheet material in overlapping rows like shingles.

Shingle

A unit of roofing; usually wood, composition, tile, or slate.

Shingle Roofing

A water shedding roofing material made from a composition of reinforcing membrane (often fiberglass), asphalt and mineral granules. It is intended for use on steep s lope roofs.

Slope
See also: Incline
Soffit

The underside of a beam, lintel, archway, cornice, or stairway.

Split

A membrane tear resulting from tensile stress.

Spudding

The process of removing the roofing aggregate and most of the bituminous top coating by scraping and chipping.

Square

The term used to describe 100 square feet of roof area.

Substrate

The surface upon which the roofing or waterproofing membrane is applied (i.e., the structural deck or insulation).

Sump

An intentional depression around a drain.