GLOSSARY

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SHINGLE

A roofing unit of wood, asphalt, slate, tile, concrete or other material manufactured in uniform lengths, widths, and thickness, applied in an overlapping fashion as an exterior covering on sloped roofs, mansards and walls.


SHRINKAGE

The reduction in dimensions of wood resulting from a decrease in moisture content; the decrease in concrete volume caused by drying and chemical changes; the diminished size of some textiles caused by wetting.


SICK BUILDING SYNDROME

(SBS) – A term that refers to a series of health and comfort effects that are experienced by a substantial percentage of building occupants. The onset and relief of these symptoms are associated with entering and leaving the building.


SINK

A technical term for places where things (soils, pollutants) tend to flow and reside temporarily. Sinks are surfaces in buildings, especially irregular or porous ones that collect foreign matter.


SIZING

A paste-like material applied to a surface as a sealer before papering, in order to prevent absorption and provide good adhesion.


SKIM COAT

A thin top coat of plaster, also called the white coat, usually of lime plaster; any thin surface layer applied to a surface.


SLEEPER

One of a series of horizontal timbers installed on concrete or earth, to which wood flooring or sub-flooring are nailed.


SLOPE

An angled surface, or gradient, usually defined as the ratio of vertical rise to the horizontal run; often expressed as a percentage.


SMOKE

The solid, liquid and gaseous products of combustion released into the air; see FIRE RESIDUE.


SMOKE RESIDUE

Combustion products which remain after the dissipation of smoke.