GLOSSARY TERM

Yellowing

The discolouration of paint over time, often due to exposure to UV light or certain environmental conditions.

INFO

What it is

Yellowing is a discolouration where a finish, particularly a white or pale one, develops a yellow tinge over time. It is a gradual change in the cured film.

Why it matters

Yellowing is most obvious on whites and light colours, where it makes a finish look aged and dirty. Choosing the right product for the setting avoids this and keeps colours looking true.

Where it is used on a project

A risk with some solvent-based finishes and in areas with little natural light. Non-yellowing products are specified where it matters most.

How NECC approaches it

For whites and pale colours, and in at-risk areas, we specify non-yellowing, colour-stable coatings so the finish keeps its intended shade over time.

Category: Defects & Repairs

FAQ's

What causes yellowing?

It is a yellow discolouration that can develop in some finishes over time, often from ageing, lack of light, or certain solvent-based products.

Can yellowing be avoided?

Choosing non-yellowing, UV-stable products for at-risk areas, particularly on whites and pale colours, helps keep the finish true.

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