This document describes procedures that use the mechanical action of a Vettermann drum tester using polyurethane studs to produce changes in appearance (surface structure and colour) to all types of textile floor coverings. It does not include pilling or colour changes due to other actions.
Changes produced by this drum tester are assessed in accordance with the applicable assessment standard.
PROJECT
naSRPS EN 18320:2025
40.60
Close of voting
May 14, 2026