Glossary of Terms
Words beginning with S
- S -
S2S: Surfaced two sides. Dimensioned lumber that has one face and one edge planed or sanded smooth. Lumber that has been planed smooth on two sides.
S4S: Surfaced four sides. Dimensioned lumber that has all the faces and edges planed or sanded smooth. Lumber that has been planed smooth on all four sides.
SAPWOOD: The wood in a tree between the bark and the Heartwood
SASH: A sash is (usually) the moving segment of the window consisting of two side stiles (vertical members), a top rail (horizontal member) and a bottom rail (horizontal member).
SAWN: Rough sawn; Not gauged, planed or dressed.
SEALANT: Soft, pliable material that is used to seal cracks or joints where structural strength is not required.
SEASONING: The act or process by which something is seasoned. The treatment or the drying of lumber until it is ready for use; curing. The process of removing the moisture from green lumber to improve its workability and stability.
SHEETROCK: Panels made primarily from gypsum installed over the framing to form the interior walls and ceilings. A brand name of gypsum wallboard. Informally and incorrectly, any drywall may be called Sheetrock. Sheetrock is often called gypsum board.
SIDING: Cladding; Exterior wall cladding. May be made from wood, pressed wood by products, hardboard, vinyl, or metal.
SILICON: A type of sealant. A pliable type material used for sealing cracks in window frames, and is used sometimes as a glazing compound.
SILL: Framing member that forms the bottom edge of the window opening.
SLAB: Of concrete; used for garages, and basement floors.
SLOPE: See fall.
SOFFIT: Eaves lining; The underside board of eaves and rakes.
SOFFIT BOARD: Soffit lining. Cladding on the underside of the eaves.
SOFTWOOD: General term used to describe wood produced from needle and/or cone bearing trees. Wood that is easy to saw from conifers such as pine or fir. The term 'softwood' does not refer the density of the wood as there are hardwoods that are softer than softwoods such as balsa.
SOLE PLATE: wall plate, bottom plate; The bottom horizontal framing member of the wall.
SPAN: The horizontal distance between supporting structures.
SPIKE (NAIL): A large nail that is usually over 100mm (4") long. Also a 60 penny nail ( 6" / 150 mm) used to mark survey points in hard ground.
SPF: Spruce, Pine, Fir. Indicates that the piece of wood is from the Spruce, Pine, Fir family.
SPIRIT LEVEL: Tool used to ensure surfaces are level or plumb by means of a bubble in a tube of liquid fitted to the level.
SPRAG (NAIL): A term used for a nail (slang)
SPRIG (NAIL): A small brad without a head.
SPROCKET: Eaves bearer, soffit bearer; A horizontal member fixed to the end of a rafter and to the ribbon plate.
STILE: A vertical side member of a sash.
STRINGLINE: A slightly elastic string stretched between two pegs and used as a guide line. Determines the building line.
STRAP BRACING: Metal strap 25x1 (1/16x1) used to brace roof frames. Two straps diagonally opposed on one plane form one brace. The size and length of the roof determines how many braces are required. Each strap is tightened with tensioners.
SURFACED LUMBER: Lumber that has been planed or sanded smooth on one or more surfaces.
STUD: A 100x50 (2x4) vertical framing member used to construct walls.