BS EN 927-11:2020

This standard BS EN 927-11:2020 Paints and varnishes. Coating materials and coating systems for exterior wood is classified in these ICS categories:

• 87.040 Paints and varnishes

This document specifies a laboratory test method for assessing microfoam in coating films on wood components. Samples are taken from finished wood components that are produced in a production plant, by craftsmen or a laboratory.

The test method can be used for further evaluation together with the performance specification given in EN 927-2. The amount and size of microfoam depends upon the coating material, the substrate and the application process and conditions.