# Commission Delegated Regulation (EU) 2017/2293 of 3 August 2017 on the conditions for classification, without testing, of cross laminated timber products covered by the harmonised standard EN 16351 and laminated veneer lumber products covered by the harmonised standard EN 14374 with regard to their reaction to fire (Text with EEA relevance), Annex

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

Table 1
Classes of reaction to fire performance for cross laminated timber products and laminated veneer lumber products for walls and ceilings
Applies to all species and glues covered by the product standards.
Conditioned in accordance with standard EN 13238.
Class as set out in Table 1 of the Annex to Delegated Regulation (EU) 2016/364.
Class valid for any substrate or air gap behind.
Product
Product detail
Minimum mean density (kg/m3)
Minimum overall thickness (mm)
Class
Cross laminated timber products covered by the harmonised standard EN 16351
Minimum layer thickness of 18 mm
350
54
D-s2, d0
Laminated veneer lumber products covered by the harmonised standard EN 14374
Minimum veneer thickness of 3 mm
400
18
D-s2, d0
Table 2
Classes of reaction to fire performance for cross laminated timber products and laminated veneer lumber products for floorings
Applies also to steps of stairs.
Conditioned in accordance with standard EN 13238.
Class as set out in Table 2 of the Annex to Delegated Regulation (EU) 2016/364.
Class valid for any substrate or air gap behind.
Product
Product detail
Minimum mean density (kg/m3)
Minimum overall thickness (mm)
Class for floorings
Cross laminated timber products covered by the harmonised standard EN 16351
minimum layer thickness of 18 mm and with the surface layer made of pine
430
54
DFL-s1
Cross laminated timber products covered by the harmonised standard EN 16351
minimum layer thickness of 18 mm and with the surface layer made of spruce
400
54
DFL-s1
Laminated veneer lumber products covered by the harmonised standard EN 14374
with a minimum veneer thickness of 3 mm and with the surface layer made of pine
480
15
DFL-s1
Laminated veneer lumber products covered by the harmonised standard EN 14374
with a minimum veneer thickness of 3 mm and with the surface layer made of pine
430
20
DFL-s1
Laminated veneer lumber products covered by the harmonised standard EN 14374
with a minimum veneer thickness of 3 mm and with the surface layer made of spruce
400
15
DFL-s1

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Source: https://www.legislation.gov.uk/eur/2017/2293/annex (the official version)
Page: https://openlegislation.uk/eu-regulation-2017-2293/annex
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.