Saddle to Suspended Ceiling
Saddle. Two sloping surfaces meeting in a horizontal ridge, used between the back side of a chimney, or other vertical surface, and a sloping roof.
Sand float finish. Lime mixed with sand, resulting in a textured finish.
Sapwood. The outer zone of wood, next to the bark. In the living tree it contains some living cells (the heartwood contains none), as well as dead and dying cells. In most species, it is lighter colored than the heartwood. In all species, it is lacking in decay resistance.
Sash. A single light frame containing one or more lights of glass.
Sash balance. A device, usually operated by a spring or tensioned weatherstripping designed to counterbalance double-hung window sash.
Saturated felt. A felt which is impregnated with tar or asphalt.
Scratch coat. The first coat of plaster, which is scratched to form a bond for the second coat.
Screed. A small strip of wood, usually the thickness of the plaster coat, used as a guide for plastering.
Scribing. Fitting woodwork to an irregular surface. In moldings, cutting the end of one piece to fit the molded face of the other at an interior angle to replace a miter joint.
Sealer. A finishing material, either clear or pigmented, that is usually applied directly over uncoated wood for the purpose of sealing the surface.
Seasoning. Removing moisture from green wood in order to improve its serviceability.
Semigloss paint or enamel. A paint or enamel made with a slight insufficiency of nonvolatile vehicle so that its coating, when dry, has some luster but is not very glossy.
Shake. A thick handsplit shingle, resawed to form two shakes; usually edge-grained.
Sheathing. The structural covering, usually wood hoards or plywood, used over studs or rafters of a structure. Structural building board is normally used only as wall sheathing.
Sheathing paper. See Paper, sheathing.
Sheet metal work. All components of a house employing sheet metal, such as flashing, gutters, and downspouts.
Shellac. A transparent coating made by dissolving lac, a resinous secretion of the lac bug (a scale insect that thrives in tropical countries, especially India), in alcohol.
Shingles. Roof covering of asphalt, asbestos, wood, tile, slate, or other material cut to stock lengths, widths, and thicknesses.
Shingles, siding. Various kinds of shingles, such as wood shingles or shakes and nonwood shingles, that are used over sheathing for exterior sidewall covering of a structure.
Shiplap. See Lumber, shiplap.
Shutter. Usually lightweight louvered or flush wood or non-wood frames in the form of doors located at each side of a window. Some are made to close over the window for protection; others are fastened to the wall as a decorative device.
Siding. The finish covering of the outside wall of a frame building, whether made of horizontal weatherboards, vertical boards with battens, shingles, or other material.
Siding, bevel (lap siding). Wedge-shaped boards used as horizontal siding in a lapped pattern. This siding varies in butt thickness from 1/2 to 1/4 inch and in widths up to 12 inches. Normally used over some type of sheathing.
Siding, Dolly Varden. Beveled wood siding which is rabbeted on the bottom edge.
Siding, drop. Usually 3/4 inch thick and 6 and 8 inches wide with tongued-and-grooved or shiplap edges. Often used as siding without sheathing in secondary buildings.
Sill. The lowest member of the frame of a structure, resting on the foundation and supporting the floor joists or the uprights of the wall. The member forming the lower side of an opening, as a door sill, window sill, etc.
Sleeper. Usually, a wood member embedded in concrete, as in a floor, that serves to support and to fasten subfloor or flooring.
Soffit. Usually the underside of an overhanging cornice.
Soil cover (ground cover). A light covering of plastic film, roll roofing, or similar material used over the soil in crawl spaces of buildings to minimize moisture permeation of the area.
Soil stack. A general term for the vertical main of a system of soil, waste, or vent piping.
Sole or sole plate. Sec Plate.
Solid bridging. A solid member placed between adjacent floor joists near the center of the span to prevent joists from twisting.
Span. The distance between structural supports such as walls, columns, piers, beams, girders, and trusses.
Splash block. A small masonry block laid with the top close to the ground surface to receive roof drainage from downspouts and to carry it away from the building.
Square. A unit of measure-100 square feet-usually applied to roofing material. Sidewall coverings are sometimes packed to cover 100 square feet and are sold on that basis.
Stain, shingle. A form of oil paint, very thin in consistency, intended for coloring wood with rough surfaces, such as shingles, without forming a coating of significant thickness or gloss.
Stair carriage. Supporting member for stair treads. Usually a 2-inch plank notched to receive the treads; sometimes called a "rough horse."
Stair landing. See Landing.
Stair rise. See Rise.
STC. (Sound Transmission Class). A measure of sound stopping of ordinary noise.
Stile. An upright framing member in a panel door.
Stool. A flat molding fitted over the window sill between lambs and contacting the bottom rail of the lower sash.
Storm sash or storm window. An extra window usually placed on the outside of an existing one as additional protection against cold weather.
Story. That part of a building between any floor and the floor or roof next above.
Strip flooring. Wood flooring consisting of narrow, matched strips.
String, stringer. A timber or other support for cross members in floors or ceilings. In stairs, the support on which the stair treads rest; also stringboard.
Stucco. Most commonly refers to an outside plaster made with Portland cement as its base.
Stud. One of a series of slender wood or metal vertical structural members placed as supporting elements in walls and partitions. (Plural: studs or studding.)
Subfloor. Boards or plywood laid on joists over which a finish floor is to be laid.
Suspended ceiling. A ceiling system supported by hanging it from the overhead structural framing.