star social-channel-googleplus surface account images colour extern-link map location store-on star brush paint-rol paint tester conditions delivery payment minus_16px plus_16px close_16px arrow-down_16px arrow-up_16px arrow-right_16px selected_16px email external-link social-facebook social-googleplus social-twitter list work business clients painters-icons-v2-source_pdf social-channel-facebook social-channel-instagram social-channel-instagram2 social-channel-twitter social-channel-youtube carrousel_prev carrousel_next download save-colour-off shopping-cart shopping-list store-finder search share save-colour-off2 save-colour-on info-off info-on workspace loader close

Special process colours


Some strong colours, cannot be made with the same hiding power as other colours if they are to have satisfactory durability and purity of colour.


When these colours are to be used on rough surfaces, or where a marked difference in colour is to be made, additional coats or special processes may be necessary.


As a general guide, colours from the Dulux Trade fandeck that meet the criteria below are likely to require additional coats.


BB, RB, BG colours with a chroma value greater than 350


YY, YR, GY colours with a chroma value greater than 450


RR and GG colours with a chroma value greater than 400


Chroma is shown by the last three digits of the Dulux Colour Notation and describes the intensity of the colour.


This is not an exclusive list. Contact the Trade Technical Advice Centre to confirm colour requirements.



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