Commission Delegated Regulation (EU) 2017/2293Show full title

ANNEX U.K.

Table 1

Classes of reaction to fire performance for cross laminated timber products and laminated veneer lumber products for walls and ceilings

a Applies to all species and glues covered by the product standards.
b Conditioned in accordance with standard EN 13238.
c Class as set out in Table 1 of the Annex to Delegated Regulation (EU) 2016/364.
d Class valid for any substrate or air gap behind.
Producta	Product detail	Minimum mean densityb (kg/m3)	Minimum overall thickness (mm)	Classc
Cross laminated timber products covered by the harmonised standard EN 16351	Minimum layer thickness of 18 mm	350	54	D-s2, d0d
Laminated veneer lumber products covered by the harmonised standard EN 14374	Minimum veneer thickness of 3 mm	400	18	D-s2, d0d

Table 2

Classes of reaction to fire performance for cross laminated timber products and laminated veneer lumber products for floorings

a Applies also to steps of stairs.
b Conditioned in accordance with standard EN 13238.
c Class as set out in Table 2 of the Annex to Delegated Regulation (EU) 2016/364.
d Class valid for any substrate or air gap behind.
Producta	Product detail	Minimum mean densityb (kg/m3)	Minimum overall thickness (mm)	Class for flooringsc
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-s1d
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-s1d
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-s1d
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-s1d
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-s1d