Laying-off
The final brush stroke after completing a section of work generally on flat surfaces, i.e. walls etc., a vertical movement.
Lead-Free
Paints and varnishes which contain less than 0.6% lead which is the level considered to be safe for children’s toys and for the food industry.
Leafing/Flake Aluminium Primer
Aluminium primer for hardwoods and for sealing against tannic acid- resin residue and bitumen.
Leather Roller
Leather Roller 
Used to produce a multi colour finish as Rag Rolling.
See: Specification- Broken Colour Techniques -Tools and Equipment Special Techniques.
Levelling
The way in which a wet coating flows out to a uniform thickness free from brush or roller marks.
Light Reflectance
Refers to the degree of light which is reflected when viewed at an angle. The light reflectance decreases with the lowering of the gloss level, i.e. semi-gloss, eggshell, and matt.
Lightfast
Lightfast.
Refers to the resistance of coloured pigments used in paint to colour change when exposed to ultra violet light.