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What does Class 1 scrub rating mean?

The scrub resistance evaluates the resistance of the coating to repeated cleaning and is measured by the following
method under the Class 1 ISO 11998 Test.

A predetermined wet film thickness of the paint is applied to the test substrate and allowed to dry for 28 days. The test panels are placed on the scrub testing machine and subjected to 200/40 scrub cycles (depending on paint type). After testing, the amount of paint that has been lost from the surface is calculated and expressed as a film thickness loss in micrometers. A Class 1 scrub rating indicates a loss of paint film of less than 5 microns after 200 scrubs.

Using a Class 1 rated product means the painted walls can be easily cleaned with warm, soapy water. More stubborn stains can also be tackled with standard household cleaner*, returning the surface to its original, premium matt finish.

* The instructions and directions for use of cleaning products should always be checked


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Use this calculator to work out your requirements, if you have any question please get in touch with one of our team who will be more than willing to help you.

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Disclaimer: Tikkurila UK Paint Calculator is provided as a guide only. The coverage rates will vary depending on surface being coated and the particular product range being used. More information on these products can be found on the cans, on the technical data sheets on individual product pages, by using our live chat service or by calling our technical team on 0131 334 4999.

Every effort has been made to ensure the accuracy of the estimate, however paint requirements may vary depending on the surface, type of paint, sheen level and colour chosen.