# Commission Delegated Regulation (EU) 2017/1475 of 26 January 2017 on the classification of frost resistance performance for clay tiles under EN 1304 pursuant to Regulation (EU) No 305/2011 of the European Parliament and of the Council (Text with EEA relevance), Annex

Extent: E+W+S+N.I.

For products covered by standard EN 1304 ‘Clay roofing tiles and fittings — Product definitions and specifications’ and intended for external use, a new classification in relation to their essential characteristic ‘frost resistance’ is established as follows:
Class 1 (150 cycles): minimum 150 cycles. If after 150 cycles none of the tiles shows any of the damage described as unacceptable according to EN 539-2:2013, Table 1.
Class 2 (90 cycles): 90 – 149 cycles. If after 90 cycles none of the tiles shows any of the damage described as unacceptable according to EN 539-2:2013, Table 1.
Class 3 (30 cycles): 30 – 89 cycles. If after 30 cycles none of the tiles shows any of the damage described as unacceptable according to EN 539-2:2013, Table 1.

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Source: https://www.legislation.gov.uk/eur/2017/1475/annex (the official version)
Page: https://openlegislation.uk/eu-regulation-2017-1475/annex
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.