90.20 Standard under periodical review Jul 15, 2026
CEN
CEN/TC 166 Chimneys
European Norm
91.060.40 Chimneys, shafts, ducts
Published
This European Standard specifies the material, dimensional and performance requirements, including methods of test, for precast concrete flue liners and fittings with or without insulation for the construction of multi-wall chimneys.
This document does not cover:
- high positive pressure (H) designated products;
- products designated wet (W) in conjunction with corrosion class 3.
This document also applies to storey-height and flue liners reinforced only for handling.
NOTE 1 Any reference to the term flue liners implies both flue liners and their fittings, except where otherwise indicated.
NOTE 2 The pressure classes and corrosion classes are defined in EN 1443.
Legislation related to this standard
Construction products
Harmonised Standard / Cited in the Official JournalRegulation (eu) No 305/2011 of the European Parliament and of the Council of 9 march 2011 laying down harmonised conditions for the marketing of construction products and repealing council directive 89/106/eec
Harmonised Standard / Cited in the Official Journal
WITHDRAWN
EN 1857:2003+A1:2008
PUBLISHED
EN 1857:2010
90.20
Standard under periodical review
Jul 15, 2026
