S definitions - Building Terms Dictionary



S definitions - Do you know architectual drafting or building terms starting with the letter "S"?

-A -B -C -D -E -F -G -H -I -J -K -L -M -N -O -P -Q -R -S -T -U -V -W -XYZ



Safing:
Fire-resistant material inserted into a sace between a curtain wall and a spandrel beam or column, to retard the passage of fire through the space.

Sand cushion terrazzo:
Terrazzo with an underbed that is seperated from the structural floor deck by a layer of sand.

Sand-mold brick, sand-struck brick:
A brick made in a mold that was weeted and than dusted with sand before the clay was placed in it.

Sandstone:
A sedimentary rock formed from sand.
Sandwich panel:
A panel consisting of two outer faces of wood,metal,gypsum, or concrete onded to a core of insulating foam.

Sapwood:
The living wood in the outer region of a tree trunk or branch.

sash:
A frame that holds glass.
S definitions Top

Scab:
A piece of framing lumber nailed to the face of another piece of lumber.

Scarf joint:
A glued end connection between two pieces of wood , using a sloping cut to create a large surface for the glue bond, o allow it to develop the full tensile strength of the wood that it connects.

SCOF:
Static Coefficient of Friction.

Scratch coat:
The first coat in a threecoat application of plaster.

Screed:
A strip of wood,metal, or plaster that establishes the level to which concrete or plaster will be placed.

Screw port:
A three-quarter circular profile in an aluminun extrusion, made to accept a screw driven parallel to the long axis of the extrusion.

Screw slot:
A serrated slot profile in an aluminum extrusion, made to accept scews driven at right angles to the long axis of the extrusion.

S definitions Top

Scupper:
An opening through a parapet through which water can drain over the edge of a flat roof.

Sealant gun:
A tool for injecting sealant into a joint.

Sealer:
A coating used to close pores in a surface, usually in preperation for the application of a finish coating.

Seated connection:
A connection in which a steel bea rests on top of a steel angle or tee that is fastened to a column or girder.

Security glass:
A glazing sheet with multiple laminations of glass and plastic, designed to stop bullets.

Sedimentary rock:
Rock formed from materials deposited as sediments, such as sand or sea shells, which form sandstone and limestone,respectively.

Segregation:
Seperation of the constituents of wet concrete caused by excessive handling and vibration.

S definitions Top

Seismic:
Relating to earthquakes.

Seismic load:
A load on a strcture caused by movement of the eath relative to the structure during the earthquake.

Seismic seperation joint:
A building seperation joint that allows adjacent building masses to oscillate independantly during an earthquake.

Self-drilling:
Drills its own holes.

Self-furring lath:
Metal lath with dimples that space the lath away from the sheathing behind to allow plaster to penetrate the lath and key to it.

Self-tapping:
Creates its own screw threads on the inside of a hole.

Self-weight:
The weight of a beam or slab.

S definitions Top

Set:
To cure, to install, to recess the heads of nails, a punch for recessing the heads of nails.

seting block:
A small block of synthetic rubber or lead used to support the wight of a sheet of glass at its lower edge.

Settlement joint:
A building seperation joint that allows the foundation of adjacent building masses to settle at different rates.

Shading coefficient:
the ratio of total solar heat passing through a given sheet of glass to that passing through a sheet of clear double-strength glass.

Shaft:
An unbroken vertical passage through a multistory building, used for elevators,wiring,plumbing,ductwork, or so on.

Shaft wall:
A wall surrounding a shaft.

Shake:
A shingle slpit from a block of wood.

S definitions Top

Shake-on hardener:
A dry powder that is dusted onto the surface of a concrete slab before troweling, to react with the concrete and produce a hard wearing surface for industrial use.

Shale:
A rock formed from the consolidation of clay or silt.

Shear:
A deformation in which planes of material slide with respect to one another.

Shear connection:
A connection designed to resist only the tendency of one member to slide past the other, and not to resist any tendency of the members to rotate with respect to one another.

Shear panel:
A wall,floor, or roof surface that acts as a deep beam to help stabilize a building agianst deformation by lateral forces.

Shear stud:
A piece of steel welded to the top of a steel beam or girder so as to become embedded in the concrete fill over the beam and cause the beam and the concrete to act as a single structural unit.

Sheathing:
The rough covering applied to the outside of the roof,wall,or floor framing of a light frame structure.

S definitions Top

Shed:
A building or dormer with a single,sloping roof plane.

Sheeting:
A stiff material used to retain the soil around an excavation, a material such as polyethylene in the form of very thin,flexible sheets.

Sheet metal:
Flat rolled metal less than 1/4 inch (6.35mm) in thickness.

Shelf angle:
A steel angle attached to the spandrel of a building to support a masonry facing.

Shim:
A thin piece of material panel between two components of a building to adjust the relative positions as they are assembled;to inser shims.

Shingle:
A small unit of water-resistant material nailed in overlapping fashion with many other such units to render a wall or sloping roof watertight;to apply shingles.

Shiplap:
A board with edges rabbeted so as o overlap flush from one board to the next.

S definitions Top

Shop drawings:
Detailed plas prepared by a fabricator or manufacturer to guide the shop production of such building components as cut stonework, steel or precast concrete framing, curtain wall panels, or cabinetwork.

Shoring:
Temporary vertical or sloping supports of steel or timber.

Shotcrete:
A low-slump concrete mixture that is deposited by being blown from a nozzle at high speed with stream of compressed air.

Shrinkage-temperature steel:
Reinforcing bars laid at right angles to the principle bars in a one-way slab, for the purpose of preventing excessive cracking caused by drying shrinkage or emperature stresses in the concrete.

Side-hinged inswinging window:
A window that opens by pivoting inward on hinges at or near a vertical edge of the sash.

Sidelight:
A tall,narrow window alongside a door.

S definitions Top

Siding:
The exterior wall finish material applied to a light frame wood structure.

Siding nail:
A nail with a small head,used to fasten siding to a building.

Silica fume:
very finely divided silicon dioxide, used as an admixture in the formulation of very high strength, low-permeability concrete.

Silicone:
A polymer used for high-range sealants, roof membranes, and masonry water repellents.

Sill:
the strip of wood that lies immediately on top of a concrete or masonry foundation in wood frame construction;the horizontal bottom portion of a window or door;the exterior surface,usually sloped to shed water, below the bottom of a window or door.

Sill sealer:
A resilient,fibrous material placed between a foundation and a sill to reduce air infiltration between the outdoors and the indoors.

Single-hung window:
A window with two overlapping sashes, the ower of which can slide vertically in tracks, and th upper of whixh is fixed.

S definitions Top

Single-ply membrane:
A sheet of plastic,synthetic rubber, or modified bitumen used as a roofig sheet for a low-slope roof.

Single-strength glass:
Glass approximately 3/32 inch (2.5mm) thick.

Single tee:
A precast slab element whose profile resembles the letter T.

Sitecast:
Concrete that is poured and cured in its final position in a building.

Skylight:
A fixed window installed i a roof.

Slab band:
A very broad,shallow beam used with a one-way solid slab.

Slab on grade;
A concrete surface lying upon, and supported directly by,the graound beneath.

S definitions Top

Slag:
The mineral waste that rises to the top of the molton iron or steel or to the top of a weld.

Slaked lime:
Calcium hydroxide.

Slate:
A metamorphic form of clay,easily split into thin sheers.

Sliding window:
A window with one fixed sash and another that moves horizontally in tracks.

Slip-critical connection:
A steel connection in which high strength bolts clamp the members together with sufficient force that the load is transferred between them by friction.

Slip forming:
Building multistory sitecast cocrete walls with forms that rise u the wall as construction progresses.

S definitions Top

Slope glazing:
A system of metal and glass components used to make an inclined,transparent roof.

Slump test:
A test in which wet concreteor plaster is placed in a cone-shaped metal mold or specified dimensions and allowed to sag under its own weight after the cone is removed. The vertical distance between the top of the mold and the top of the slumped mixtue is an index of its working consistency.

Slurry:
A watery mixture of insoluble materials.

Smoke developed rating;
An index of the toxic fumes generated by a material as it burns.

Smoke shelf:
The horizontal area behind the damper of a fireplace.

Soffit:
The undersurface of a horizontal element of a building, espeacially the underside of a stair or a roof overhang.

Soffit vent:
An opening under the eave of a roof, used to allow air to flow into the attic or the space below the roof sheathering.

S definitions Top

Soft mud process:
making bricks by pressing wet clay into molds.

Soldier:
A brick laid on its end, with its narrow face toward the outside of the wall.

Sole plate:
The horizontal piece of dimension of lumber at the bottom of the studs in a wall in a light frame building.

Solid-core door:
A flush door with no internal cavities.

Solid slab:
A concrete slab,without ribs or voids, that spans between beams or bearing walls.

Solvent:
A liquid that dissolves another material.

Sound transmission class (STC):
An idex of the resistance of a partition to the passage of sound.

S definitions Top

Space frame, space truss:
A truss that spans with two-way action.

Span:
The distance between supports for a beam,girder,truss,vault,arch,or other horizontal structural device; to carry load between supports.

Spandrel:
The wall area between the head of the window on one story and the sill of a windowon the floor above;the area of a wall between adjacnt arches.

Spandrel beam:
A bam that runs along the outside edge of floor or roof.

Spandrel glass:
Opaque glass manufactured especially for us in spandrel panel.

Spandrel panel:
A curtain wall panel used in spandrel.

Span rating:
The number stamped on a sheet f plywood or other wood building panel to indicate how far in inches it may span between supports.

S definitions Top

Specifications:
The written instructions from an architect or engineer concerning the quality of materials and execution required for a building.

Spirit level:
A tool in which a bubble in an upwaedly curving, cylindrical glass vial indicates whether whether a building element is level or not level, plub or not plumb.

Splash block:
A small precast block of concrete or plastic used to divert water at the bottom of a downspout.

Spline:
A thin strip inserted into grooves in two mting pieces of material to hold them in alignment, a ridge or strip of material intended to lock to mating groove; an internal piece that serves to slign two hollow components to one another.

Split jamb:
A door frame fabricated in two interlocking halves, to be installed from the opposite sides of an opening.

Staggered truss system:
A steel framing system in which story-high trusses,staggered one-half bay from one story to the next,support floor decks on both their top and their bottom chords.

Stain:
A coating intended primarily to change the color of wood or concrete, without forming an imprevious film.

S definitions Top

Standing and running trim:
Door and window casings and baseboards.

Standing seam:
A sheet metal roofing seam that projects at right angles to the plane of the roof.

Static coefficient of friction (SCOF):
A measure of the slip resistance of a flooring material.

Stay:
A sloping cable used to stabilize a structure.

Steam curing:
Aiding and accelerating the setting reaction of concrete by the application to steam.

Steel:
Iron with a controlled amount of carbon ,generally leass than 1.7 percent.

Steep roof:
A roof with sufficient slope that it may be made waterproof with shingles.

S definitions Top

Sticking:
The cementing together of defects in marble slabs.

Stick system:
A metal curtain wall system that is largely assembled in place.

Stiffener plate:
A steel plate attached to a structural member to suppor it against heavy localized loading or stesses.

Stiff mud process:
A method of molding bricks in which a column of damp clay is extruded from a rectangular die and cut into bricks by fine wires.

Stile:
a vertical framing member in a panel door.
Stirrup:
A vertical loop of steel bar to reinforce a concrete beam agianst diagonal tension forces.

Stirrup-tie:
A stirrup that forms a complete loop, as differentiated from a U-stirrup which has an open top.

S definitions Top

Stool:
The interior horizontal plane at the sill of a window.

Storm window:
A sash added to the outside of a window in winter to increase its thermal resistance and decrease air infiltration.

Story ploe:
A strip of wood marked with the exact course heights of masonry for a particular building ,used to make sure that all the leads identical in height and coursing.

Straightedge:
The strike off the surface of a concrete slab using screeds and a straight piece of lumber or metal.

Strain:
Deformation under stress.
Stress:
Force per unit area.

Stressed-skin panel:
A panel consisting of two face sheet of wood,metal, or concrete bonded to perpendicular spacer strips. Often used as a term for a sandwich panel with an insulating foam core and wood panel faces.

Stretcher:
A brick or masonry unit laid in its most usual position,with the broadest surface of the unit horizontal and the lenth of the unit arellel to the surface of the wall.

S definitions Top

Striated:
textured with parellel scratches or grooves.

Stringer:
The sloping wood or steel member that supports the treads of a stair.

Strip flooring:
Wood finish flooring in the form of long,narrow tounge-and-groove boards.

Stripping:
Removing formwork from concrete,sealing around a roof flashing with layers of felt and bituemen.

Structural bond:
The interlocking pettern of masonry unis used to tie two or more wythes together in a wall.

Structural glazed facing tile:
A hollow clay masonry unit with glazed faces.

Structural mill:
The portion of a steel mill that rolls structural shapes.

S definitions Top

Structural cilicone flush glazing:
Glass secured to the face of a building with strong,highly adhesive silicone sealant so as to eliminate the need for any metal to apear on the exterior of the building.

Structural standing-seam metal roofing:
Sheets folded metal that serv both as decking and as the waterproof layer of a roof.

Structural terra cotta:
Molded components, often highly ornamental,made of fired clay,designed to be used in the facades of buildings.

Structural tubing:
Hollow steel cylindrical or rectangular shapes made to be used as structural members.

Structure/enclosure joint:
A connection designed to allow the structure of the building abd its cladding or partiitions to move independantly.

Stucco:
Portland cement plaster used as an exterior cladding or siding material.

Stud:
One of an array of small, slosely spaced, parellel wall-framing members; a heavy steel pin.

S definitions Top

Styrene-butadiene-styrene:
A copolymer of butadiene and styrene used as modifier in polymer-modified bitumen roofing.

Subcontractor:
A contractor who specializes in one area of construction activity and who usually works under general contractor.

Subfloor:
The loadbearing surface beneath a finish floor.

Subpurlin:
A very small roof framing member that spans between joists or purlins.

Substrate:
The base to which a coating or veneer is applied.

Substructure:
The occupied,below-ground portion of a building.

Sump:
A pit designed to collect water for removal from an excavation or basement.

S definitions Top

Superflat floor:
A concrete slab finished to a high degree of flatness according to a recognized ystem of measuement.

Superplasticizer:
A concrete admixture that makes wet concrete extremely fluid without additional water.

Superstructure:
The above-ground portion of a building.

Supply pipe:
A pipe that brings clean water to a plumbing fixture.

Supporting stud:
A wall framing member that extends from a sole plate to the underside of a header and that supports the header.

Surface bonding:
Bonding concrete masonry wall together by applying a layer of glass-fiber-reinforced stucco to both its faces.

Surface divider joint:
A line along which surface may expand and/or contact without damage.

Suspended ceiling:
A finish ceiling that is hung on wiresfrom the structure above.

Suspended glazing:
Large sheets of glass hung from clamps at their top edges so as to eliminate the need for metal mullions.

Swaged lockpin and collar fatener:
A boltlike device that is passed through hole in structural components, held in very high tension, and closed with a steel ring that is squeezed onto its protruding shank.


Go Back Home or Top of page S definitions

Go To T definitions >>

Go To << R definitions