Fire classification of construction products and building elements. Classification using data from fire resistance tests on components of smoke control systems

FIELD OF APPLICATION

Choice of deck for test 1

Actual intended deck

Standard supporting deck

Deck a

Wood particle boards 16 mm thick with gaps < 0,5 mm

Deck b Wood particle boards 16 mm thick with gaps of 5 mm

Deck c Continuous non combustible board of 10 mm thickness without gaps

Deck d

Trapezoidal profiled steel deck

Deck e

Without any continuous deck

ACTUAL TESTED DECK

X

NON PROFILED CONTINUOUS DECK

Wooden continuous deck (>= 16 mm) with gap not exceeding 0,5 mm

X

X

Wooden continuous deck with gap not exceeding 5 mm

X

Continuous non combustible board of minimum 10 mm thickness without gaps

X

X

X

X

Non combustible board of minimum 10 mm thickness with gaps not exceeding 5 mm

X

|ac) Trapezoidal profiled not perforated steel deck

X

X

(AC]

Roof without a continuous deck

X

Choice of pitch for test 1

FIELD OF APPLICATION

Pitch for test

Single tested pitch other than 15° or 45 °С

15°

45°

Single tested pitch

X

0° < pitch < 20°

X

20° < pitch

X

FIELD OF APPLICATION

Choice of substrate for test 2

Non standard substrate

Standard substrate for test 2

Substrate a: Wood particle boards

Substrate b: expanded polystyrene

Substrate c: fibre reinforced calcium silicate board

Substrate d: mineral wool

(*) All densities > 0,75 x density of substrate tested

Substrate tested (*)

X

Combustible substrate (*)

X

X

Non combustible substrate (*)

X

X

X

X

Choice of pitch for test 2

FIELD OF APPLICATION

Pitch for test

30°

All pitches

X

FIELD OF APPLICATION

Choice of deck for test 3

Alternative supporting deck

Standard supporting deck for test 3

Wood particle boards 16 mm thick with gaps not exceedinq

Wood particle boards 16 mm thick with gaps of 5

Continuous non combustible board of 12 mm

Deck d Trapezoidal steel deck

Deck e Without any continuous deck

ROOF SYSTEM TESTED

X

NOT PROFILED CONTINOUS DECK

Wooden continuous deck (> 12 mm) with gap not exceeding 0,5 mm

X

X

Wooden continuous deck (> 12 mm) with gap not exceeding 5 mm

X

Continuous non combustible board of minimum 10 mm thickness without gaps

X

X

X

X

Non combustible board of minimum 10 mm thickness with gaps not exceeding 5 mm

X

Trapezoidal non­perforated profiled steel deck

X

Roof without a continuous deck

X

Choice of pitch for test 3

FIELD OF APPLICATION

Pitch for test

Actual only single intended pitch

5°

30°

Actual only single intended pitch

X

0°< pitch <10°

X

10° < pitch <70°

X

Field of application

Choice of deck and supporting structure for test 4

All roof systems

The classification is valid only for the deck and supporting structure as tested

Choice of pitch for test 4

Field of application

Pitch for test

Single intended pitch

0°

45°

Single intended pitch

X

0° < pitch < 10°

X

10° < pitch <70°

X