classifications and standards

Euro Std.

Smoke 

Contribution to fire

In practice

Examples

A1fl n.a. non not flammable granite, tiles
A2fl s1 or s2 hardly any almost not flammable granite, tiles
Bfl s1 or s2 very limited very difficult PVC, some textiles
Cfl s1 or s2  average flammable hardwood
Dfl s1 or s2 high well flammable wood
Efl  very high very flammable some plastics
Ffl - not tested extremely flammable not determined

 s1 - almost no smoke production  s2 - average smoke production  s3- large smoke production 
 d0 no droplets  d1- droplets burn less than 10 seconds  d2- droplets burn longer than 10 seconds

Class

friction coefficient (µ)

platform angle

R9 0,00 - 0,18 3° - 10°
R10 0,18 - 0,34 10° - 19°
R11 0,34 - 0,51 19° - 27°
R12 0,51 - 0,71 27° - 35°
P1 Standard board for use in dry areas
P2 Non constructive board for use in dry areas
P3 Non constructive board for use in dry or humid areas
P4 Constructive boards for use in dry areas (density ± 640kg/m3)
P5 Constructive board for use in dry or humid areas
P6 Heavy duty board for use in dry areas (density ±700kg/ m3)
P7 Heavy duty board for use in dry or humid areas
P8 Extra heavy duty board for use in dry areas
Berghoef-usp

Berghoef Hout b.v.
Bolstoen 11
1046 AS Amsterdam
Telefoon: (+31) 20 506 17 77

Berghoef GmbH
Hardrain 3
76476 Bischweier Deutschland
Telefoon: +49 (0) 7222 406560