Shelf Life

Maximum interval of time material may be stored and remain in a stable condition.


Shellac

A resin secreted by insects – shellac knotting – resin in methylated spirit, (see Knotting).


Shop Coat

A coat of paint applied in the factory – fabricating shop – works.


Short Oil

Quick drying resin, (see Alkyd).


Short Pile Roller

 A short pile roller is design for use on flat surfaces such as doors and smooth plastered walls.


Shot Blasting

See Grit – Sand Blasting.


Shrinkage

A decrease in volume during drying


Silicone Resin

A particular type of resin used mainly in high heat resisting paints and waterproofing solutions.


Silking

Defect in a dry paint film. Hairline striations running parallel.


Sinkage

General loss of gloss level due to the coating being absorbed into the underlying material, e.g. coarse undercoats.