oSIST prEN 1937:2026

SLOVENSKI STANDARD
01-april-2026
Lepila - Preskusna metoda za cementne in kalcijsulfatne izravnalne mase za tla -
Standardni postopki mešanja
Adhesives - Test method for cementitious and calciumsulfate-based floor levelling
compounds - Standard mixing procedures
Klebstoffe - Prüfverfahren für zement- und calciumsulfatbasierte Bodenspachtelmassen -
Standardmischverfahren
Adhésifs - Méthode d’essai pour les mortiers de nivellement à base de ciment et de
sulfate de calcium - Modes opératoires de malaxage normalisés
Ta slovenski standard je istoveten z: prEN 1937
ICS:
91.100.99 Drugi gradbeni materiali Other construction materials
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

DRAFT
EUROPEAN STANDARD
NORME EUROPÉENNE
EUROPÄISCHE NORM
February 2026
ICS 91.100.99 Will supersede EN 1937:1999
English Version
Adhesives - Test method for cementitious and
calciumsulfate-based floor levelling compounds - Standard
mixing procedures
Adhésifs - Méthode d'essai pour les mortiers de Klebstoffe - Prüfverfahren für zement- und
nivellement à base de ciment et de sulfate de calcium - calciumsulfatbasierte Bodenspachtelmassen -
Modes opératoires de malaxage normalisés Standardmischverfahren
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 193.
If this draft becomes a European Standard, CEN members are bound to comply with the CEN/CENELEC Internal Regulations
which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.

This draft European Standard was established by CEN in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC
Management Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2026 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 1937:2026 E
worldwide for CEN national Members.

Contents Page
European foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Apparatus . 6
5 Materials . 7
6 Mixing conditions . 7
7 Mixing procedures . 7
8 Test report . 8

European foreword
This document (prEN 1937:2026) has been prepared by Technical Committee CEN/TC 193 “Adhesives”,
the secretariat of which is held by UNE.
This document is currently submitted to the CEN Enquiry.
This document will supersede EN 1937:1999.
— term “hydraulic setting floor smoothing and/or levelling compounds” changed to “cementitious and
calciumsulfate-based floor levelling compounds”;
— concretisation of the scope;
— addition of the terms “underlayment”, “cementitious-based floor levelling compound” and “calcium
sulfate-based floor levelling compound”;
— mixing speed in the mixing procedure;
— editorial changes.
Introduction
Persons using this document are to be familiar with normal laboratory practice.
This document does not purport to address all the safety problems, if any, associated with its use.
It is the responsibility of the user to establish health and safety practices and to ensure compliance with
any European and national regulatory conditions.
1 Scope
This document specifies the procedure for mixing cementitious and calcium sulfate-based floor levelling
compounds with water and/or a liquid component as supplied by the manufacturer.
This document applies to cementitious, and calcium sulfate-based floor levelling compounds used for the
preparation of subfloors to ensure the suitability of the substrate prior to the installation of
...