Euroclass table

Euroclass table

Euroclass Smoke class Burning particles Requirements according to FIGRA Product examples
      Non-flammable SBI Small flame W/s  
A1 - - x - - - Stone, glass, steel
A2 s1, s2 or s3 d0, d1 or d2 x x - ≤ 120 Plasterboard (thin paper), mineral wool
B s1, s2 or s3 d0, d1 or d2 - x x ≤ 120 Plasterboard (thick paper), fireproof wood
C s1, s2 or s3 d0, d1 or d2 - x x ≤ 250 Wallpaper on plasterboard, fireproof wood
D s1, s2 or s3 d0, d1 or d2 - x x ≤ 750 Wood and wood-based boards
E - - or d2 - - x - Some synthetic materials, but also
resistance-impregnated (rot) methods occurs.
F - - - - - - No fire class determined

SBI = Single Burning Item, EN 13823, main method for surface materials except floorings.
FIGRA = FIre Growth RAte, most important parameter for fire class according to the SBI method.