Crittall Finishes | John Knight Glass

Crittall Finishes

Crittall windows and doors are hot dipped galvanised for long life protection and then polyester powder coated for a durable finish.

Finishes are available in a wide range of Crittall Duralife colours as well as custom RAL colours to ensure there is a finish to suit every project.

Crittall Finishes
Finish inspection of a Crittall screen.



RAL 7035 Light Grey


RAL 7036 Platinum Grey


RAL 7037 Dusty Grey


RAL 7038 Agate Grey


RAL 8017 Chocolate Brown


RAL 8070 Light Bronze


RAL 8080 Bronze


RAL 9016 Traffic White


RAL 9005 Crittall Black


RAL 9911 Crittall White


RAL 1013 Oyster White


RAL 1019 Grey Beige


RAL 5009 Azure Blue


RAL 5014 Pigeon Blue


RAL 6000 Patina Green



RAL 6019 Pastel Green



RAL 7011 Iron Grey



RAL 6009 Fir Green



RAL 7021 Black Grey



RAL 7022 Umber Grey

External Crittall screen installation.