prEN 13408

Adhesives - Test method for cementitious and calciumsulfate-based floor levelling compounds - Determination of bond strength prEN 13408

Publication date:   Feb 12, 2026

Scope

This document specifies a test method for the determination of bond strength between an underlayment produced with cementitious or calciumsulfate-based floor levelling compounds and a standard substrate.
This document applies to cementitious, and calcium sulphate-based floor levelling compounds used for the preparation of subfloors to ensure the suitability of the substrate prior to the installation of floor coverings. By using the floor levelling compound, a homogeneous layer is built up on the load-bearing substrate, to ensure consistent absorbency, evenness and strength.