Glossary

N

NAIL HEAD RUSTING: The rusting of the exposed heads of iron nails. It can show through and discolour the coating covering it. Can occur if bright nails, rather than galvanised, are used outdoors.

NAP: The fibres on a paint roller cover.

NAPHTHA: A petroleum distillate solvent used mainly by professional painters to thin solvent-based coatings and to clean up.

NEUTRAL COLOURS: White, cream, light beige and grey - colours that generally go well with all other colours.

NON-VOLATILE: The solid portion of a coating consisting of pigment and binder; it is the portion of the coating left on the surface after it is dry.

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