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Official Journal EN
of the European Union L series
2024/1681 13.6.2024
COMMISSION DELEGATED REGULATION (EU) 2024/1681
of 6 March 2024
supplementing Regulation (EU) No 305/2011 of the European Parliament and of the Council by
establishing classes of performance in relation to the resistance to fire of construction products
(Text with EEA relevance)
THE EUROPEAN COMMISSION,
Having regard to the Treaty on the Functioning of the European Union,
Having regard to Regulation (EU) No 305/2011 of the European Parliament and of the Council of 9 March 2011 laying
down harmonised conditions for the marketing of construction products and repealing Council Directive 89/106/EEC(1),
and in particular Article 27(1) thereof,
Whereas:
(1) Commission Decision 2000/367/EC(2)establishes a system for classifying the performance of construction products
with regard to their resistance to fire. That system is based on a harmonised solution for assessing that performance
and for classifying the results of those assessments.
(2) Decision 2000/367/EC does not cover certain classes of performance and thus limits the possibility to declare a
more detailed performance. It is therefore necessary to establish classes of performance that are up-to-date to the
latest technological and market developments.
(3) New classifications for non-loadbearing elements or products with a fire-separating function applicable to unloaded
roofs, non-mechanical fire barriers for ventilation ductwork, penetration seals, combined penetration seals, linear
joint seals and air transfer grilles should be added.
(4) The obsolete classification R for load-bearing elements with a fire-separating function applicable to floors and roofs
should be removed as it is effectively covered with the table related to load-bearing elements without a fire-
separating function.
(5) The technical progress in the assessment methods also requires more detailed explanations and points of reference as
regards the products, including revised information in notes.
(6) In order to enable manufacturers to declare sufficiently detailed classes of performance of construction products
with regard to their resistance to fire in line with the latest technological and market developments, and in the
interest of legal clarity, Decision 2000/367/EC should be repealed.
(7) In accordance with Article 27 of Regulation (EU) No 305/2011, classes of performance in relation to the essential
characteristics of construction products need to be established by the Commission. In accordance with Article 27(2)
of that Regulation, those classes are to be used in harmonised standards,
(1) OJ L 79, 16.3.2006, p. 27.
(2) Commission Decision of 3 May 2000 implementing Council Directive 89/106/EEC as regards the classification of the resistance to fire
performance of construction products, construction works and parts thereof (OJ L 133, 6.6.2000, p. 26).
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HAS ADOPTED THIS REGULATION:
Article 1
Classes of performance in relation to the resistance to fire of construction products, as set out in the Annex, are established.
Article 2
Decision 2000/367/EC is repealed.
References to Decision 2000/367/EC shall be construed as references to this Regulation.
Article 3
This Regulation shall enter into force on the twentieth day following that of its publication in the Official Journal of the
European Union.
This Regulation shall be binding in its entirety and directly applicable in all Member States.
Done at Brussels, 6 March 2024.
For the Commission
The President
Ursula VON DER LEYEN
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ANNEX
A. SYMBOLS
For the purposes of this Annex the following symbols apply:
R Load-bearing capacity
E Integrity
I Insulation
W Radiation
M Mechanical action
C Self-closing
C0-5 Durability of self-closing:
Use category (C) Number of cycles
5 ≥ 200 000
4 ≥ 100 000
3 ≥ 50 000
2 ≥ 10 000
1 ≥ 500
0 ≥ 1
S Smoke leakage (in context of ventilation systems)/Smoke control (in context of doors)
P Continuity of power and signal supply under the standard time temperature curve
PH Continuity of power and signal supply under constant temperature
G/O Soot fire resistance
K Fire protection ability
Temperature class expressed in maximum gas temperature in °C (operating tempera
T
ture)
D Stability duration under constant temperature
DH Stability duration under the standard time-temperature curve
F Functionality of powered smoke and heat ventilators
B Functionality of natural smoke and heat ventilators
B. CLASSES OF PERFORMANCE IN RELATION TO THE RESISTANCE TO FIRE OF CONSTRUCTION PRODUCTS
General
The relevant definitions, tests and performance criteria are fully described or referenced in the European resistance to fire
classification standards, harmonised European product standards, European testing standards, and relevant parts of
Eurocodes.
If for asymmetrical elements the declared class of the element is only valid from one side, the class shall be accompanied by
this information.
The following classes of performance are expressed in minutes unless otherwise specified.
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1. Load-bearing elements without a fire-separating function
Table 1
Applies to Walls, floors, raised floors, roofs, beams, columns, balconies, walkways, stairs
R 15 20 30 45 60 90 120 180 240 360
2. Load-bearing elements with a fire-separating function
Table 2.1
Applies to Walls
RE 15 20 30 45 60 90 120 180 240 360
REI 15 20 30 45 60 90 120 180 240 360
REI-M 15 20 30 45 60 90 120 180 240 360
REW 15 20 30 45 60 90 120 180 240 360
Table 2.2
Applies to Floors, roofs, roof windows, rooflights and shutters
RE 15 20 30 45 60 90 120 180 240 360
REI 15 20 30 45 60 90 120 180 240 360
C The C classification may be declared where a self-closing device is fitted and the element or pro
duct was not manually closed for the purpose of the test.
Optionally, for durability of self-closing, the C classification may be complemented by the digits
0 to 5 according to the use category where cycle testing has been carried out.
Table 2.3
Applies to Raised floors
RE 15 20 30 45 60 90 120 180 240 360
REI 15 20 30 45 60 90 120 180 240 360
Notes The classification shall be made specific depending on the exposure. The absence of the desig
nation letter ‘r’ refers to standard temperature/time curve exposure (full fire resistance) whereas
its presence refers to the constant temperature attack of 500 °C (reduced exposure).
Raised floors satisfying the standard temperature/time curve exposure for a given time are con
sidered to satisfy the reduced exposure conditions for at least the same period.
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3. Products and systems for protecting load-bearing elements
Table 3.1
Applies to Ceilings with no independent fire resistance
Assessment of the contribution to the fire resistance of structural members: Expressed in terms of classification of
the load-bearing element being protected.
Notes If satisfying the criteria with regard to the ‘semi-natural’ fire, the symbol ‘sn’ is added to the clas
sification.
Table 3.2
Applies to Fire protective coatings (reactive), boards (slabs and mats), renderings (sprays), claddings and screens
Assessment of the contribution to the fire resistance of structural members: Expressed in terms of classification of
the load-bearing element being protected.
Notes For coatings, if satisfying the criteria with regard to the ‘slow heating’ curve, the symbol ‘IncSlow’
is added to the classification.
4. Non-loadbearing elements or products with a fire-separating function
Table 4.1
Applies to Partitions (including partitions incorporating uninsulated portions) and fixed windows
E 15 20 30 45 60 90 120 180 240 360
EI 15 20 30 45 60 90 120 180 240 360
EI-M 15 20 30 45 60 90 120 180 240 360
EW 15 20 30 45 60 90 120 180 240 360
Table 4.2
Applies to Unloaded roofs
E 15 20 30 45 60 90 120 180 240 360
EI 15 20 30 45 60 90 120 180 240 360
EW 15 20 30 45 60 90 120 180 240 360
Table 4.3
Applies to Cavity barriers
E 15 20 30 45 60 90 120 180 240 360
EI 15 20 30 45 60 90 120 180 240 360
Notes The classification is completed by a separate indication, if satisfying the sudden exposure test for
cavity barriers.
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Table 4.4
Applies to Ceilings with independent fire resistance
EI 15 20 30 45 60 90 120 180 240 360
Notes The classification is completed by indicating how the element has been tested, and refers to a fire
from above ‘(a→b)’ or from below ‘(b→a)’ or both ‘(a ↔b)’.
Table 4.5
Applies to Facades (curtain walls) and external walls (including glazed elements)
E 15 20 30 45 60 90 120 180 240 360
EI 15 20 30 45 60 90 120 180 240 360
EW 15 20 30 45 60 90 120 180 240 360
Notes The classification is completed by ‘(i→o)’; ‘(o→i)’; or ‘(i↔o)’ to indicate whether the element has
been tested and fulfils the requirements from the inside only; from the outside only; or from
both sides respectively.
The addition of the suffix ‘ef’ indicates that the test was performed on the basis of the external fire
curve.
Table 4.6
Applies to Non-mechanical fire barriers for ventilation ductwork
E 15 20 30 45 60 90 120 180 240 360
EI 15 20 30 45 60 90 120 180 240 360
Notes In addition to meeting the requirements related to integrity (E), the non-mechanical fire barrier
shall also:
(a) be tested from both sides, and
(b) achieve 360 m3/(m2h) maximum leakage rate with reference to nominal duct cross-sectional
area during the fire test.
There is no S classification for this product, as it has no ambient temperature smoke perfor
mance.
‘ve’ and/or ‘ho’ show the product is intended to be used for vertical and/or horizontal use.
Table 4.7
Applies to Penetration seals
E 15 20 30 45 60 90 120 180 240 360
EI 15 20 30 45 60 90 120 180 240 360
Notes The classification is expressed in terms of classification of the supporting construction with fire-
separating function being penetrated.
The classification of pipe penetration seals is completed by the addition of ‘U/U’, ‘C/U’, ‘U/C’, or
‘C/C’ depending on the tested pipe end configuration inside the furnace and outside the furnace
respectively (U – uncapped; C – capped).
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Table 4.8
Applies to Combined penetration seals
E 15 20 30 45 60 90 120 180 240 360
EI 15 20 30 45 60 90 120 180 240 360
Notes The classification is expressed in terms of classification of the supporting construction with fire-
separating function being penetrated.
The classification shall be completed with the additional relevant classifications of combined
elements as given in this annex.
Table 4.9
Applies to Linear joint seals
E 15 20 30 45 60 90 120 180 240 360
EI 15 20 30 45 60 90 120 180 240 360
Notes The classification is completed by the addition of the symbols
— ‘H’, or ‘V’, or ‘T’ indicating that the classification is valid for the corresponding orientation
(Horizontal supporting construction; Vertical supporting construction – vertical joint;
Vertical supporting construction – horizontal joint respectively),
— ‘M’, or ‘F’, or ‘B’ indicating the type of splices (Manufactured; Field; or Both manufactured
and field respectively),
— ‘X’; or ‘Mxxx’ indicating the movement capability (No movement; or Movement induced (in
%) respectively), including the subscript ‘lat’ or ‘shear’ indicating the induced movement, and
— ‘W w1 to w2’ indicating the joint width range (in mm) for which the classification criterion
is satisfied (w1 being the lower width and w2 the higher width limit).
Table 4.10
Fire resisting doorsets, openable windows (in walls and roofs), openable rooflights and shutters (including
Applies to
those that incorporate glazing, closing devices and other building hardware)
E 15 20 30 45 60 90 120 180 240 360
EI 15 20 30 45 60 90 120 180 240 360
EW 15 20 30 45 60 90 120 180 240 360
S For elements and products having passed smoke control criteria depending on test conditions
200
fulfilled.
S or S For elements and products having passed smoke control criteria depending on test conditions
a3 a4
fulfilled.
C The C classification may be declared where a self-closing device is fitted and the element or pro
duct was not manually closed for the purpose of the test.
Optionally, for durability of self-closing, the C classification may be complemented by the digits
0 to 5 according to the use category where cycle testing has been carried out.
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Fire resisting doorsets, openable windows (in walls and roofs), openable rooflights and shutters (including
Applies to
those that incorporate glazing, closing devices and other building hardware)
Notes The EI classification is completed by the addition of the suffix ‘1’ or ‘2’ to indicate which defini
tion of insulation is used.
In the case the classification does not cover heating on both the closing and the opening face, this
shall be made explicit in the classification.
This table does not include or address products for smoke ventilation.
Additional smoke control classification of large industrial doorsets is possible to a leakage limit
of 50 m3/h.
Table 4.11
Applies to Closures for conveyers and track bound transportation systems
E 15 20 30 45 60 90 120 180 240 360
EI 15 20 30 45 60 90 120 180 240 360
EW 15 20 30 45 60 90 120 180 240 360
C The C classification may be declared where a self-closing device is fitted and the element or pro
duct was not manually closed for the purpose of the test.
Optionally, for durability of self-closing, the C classification may be complemented by the digits
0 to 5 according to the use category where cycle testing has been carried out.
Notes The EI classification is completed by the addition of the suffix ‘1’ or ‘2’ to indicate which defini
tion of insulation is used. An EI classification shall be generated for those cases where the test
specimen is a pipe or duct configuration with no assessment of the closure for the conveyor
system.
Sustained operational capability of any clearing device and/or any separating device for a con
veyor system is identified by using a ‘T’.
Table 4.12
Applies to Air transfer grilles
E 15 20 30 45 60 90 120 180 240 360
EI 15 20 30 45 60 90 120 180 240 360
EW 15 20 30 45 60 90 120 180 240 360
Notes If satisfying the criteria with regard to integrity during the open state, the symbol ‘resist flame’ is
added to the classification.
If satisfying the criteria with regard to the ‘smoldering’ curve, the symbol ‘IncSlow’ is added to the
classification.
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Table 4.13
Applies to Service ducts and shafts
E 15 20 30 45 60 90 120 180 240 360
EI 15 20 30 45 60 90 120 180 240 360
Notes The classification defines how the element has been tested and refers to a fire from the inside
‘(i→o)’ or from the outside ‘(o→i)’ or both ‘(i ↔o)’. In addition, the symbols ‘ve’ and/or ‘ho’ show
the product is intended to be used for vertical and/or horizontal use.
Table 4.14
Applies to Chimneys
G + distance in mm (e.g. G 50) or O + distance in mm (e.g. O 50)
E 15 20 30 45 60 90 120 180 240 360
EI 15 20 30 45 60 90 120 180 240 360
T (operating tem
80 100 120 140 160 200 250 300 400 450 600
perature) in °C
Notes Distance not required for built-in products.
The classification defines how the element has been tested and refers to a fire from the outside
‘(o→i)’ or both ‘(i ↔o)’.
‘ve’ and/or ‘ho’ show the product is intended to be used for vertical and/or horizontal use.
Table 4.15
Applies to Wall and ceiling coverings
K 10 15 20 30 45 60 90 120 180 240 360
1
K 10 15 20 30 45 60 90 120 180 240 360
2
Notes The suffixes ‘1’ and ‘2’ indicate which substrates, fire behaviour criteria and extension rules are
used in this classification.
5. Products for use in ventilation systems (excluding smoke and heat exhaust ventilation)
Table 5.1
Applies to Fire resisting ventilation ducts
E 15 20 30 45 60 90 120 180 240 360
EI 15 20 30 45 60 90 120 180 240 360
S 10 m3/(m2h) maximum leakage rate with reference to the duct surface area during the fire test
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Notes In addition to meeting the requirements related to integrity (E) the duct must also achieve 15 m3/
(m2h) maximum leakage rate with reference to duct surface area during the fire test.
The classification defines how the element has been tested and refers to a fire from the inside
‘(i→o)’ or from the outside ‘(o→i)’ or both ‘(i ↔o)’.
‘ve’ and/or ‘ho’ show the product is intended to be used for vertical and/or horizontal use.
The classification shall indicate the pressure difference used in the test.
Table 5.2
Applies to Fire dampers
E 15 20 30 45 60 90 120 180 240 360
EI 15 20 30 45 60 90 120 180 240 360
S 200 m3/(m2h) maximum leakage rate with reference to nominal duct cross sectional area:
(a) smallest size at ambient temperature;
(b) largest size at ambient temperature and during the fire test.
Notes In addition to meeting the requirements related to integrity (E) the fire damper shall also:
(a) be tested from both sides, and
(b) achieve 360 m3/(m2h) maximum leakage rate with reference to nominal duct cross sectional
area during the fire test.
‘ve’ and/or ‘ho’ show the product is intended to be used for vertical (e.g., wall mounted) and/or
horizontal (e.g., floor mounted) use.
‘H’ indicates a fire damper capable of satisfying integrity (E), or integrity and insulation (EI) for
the classification period having a horizontal blade axis or geometry.
‘V’ indicates a fire damper capable of satisfying integrity (E), or integrity and insulation (EI) for the
classification period having a vertical blade axis or geometry.
6. Products to be used within electrical, power control and communication building service installations
Table 6.1
Applies to Fire protective systems for cable systems and associated components
P 15 20 30 45 60 90 120 180 240 360
Notes The classification shall indicate:
The type of cables which can be installed within the fire protective systems, i.e. any standard
cable or only specific cables; and
the cables configurations which can be protected and the operating voltage, i.e.:
— either to all types of power cables (rated voltage 300/500 V) for an operating voltage up to
230/400 V (three-phase AC);
— either to all types of power cables (rated voltage 450/750 V up to 0,6/1 kV) for an operating
voltage up to 400/690 V (Three-phase AC);
— either to all types of signal-/control cables (rated voltage up to 170 V) for an operating
voltage up to 110 V; or
— any combination of the above possibilities.
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Table 6.2
Applies to Unprotected electric, power control and communication cables with intrinsic fire resistance
P 15 20 30 45 60 90 120 180 240 360
ca
Notes For power cables and control cables the classification shall indicate for which rated voltage the
performance criteria are satisfied.
Table 6.3
Unprotected small electric, power control and communication cables with intrinsic fire resistance (< 20
Applies to
mm diameter and with conductor sizes ≤ 2,5 mm2)
PH 15 20 30 45 60 90 120 180 240 360
ca
Notes For power cables and control cables the classification shall indicate for which rated voltage the
performance criteria are satisfied.
7. Products to be used in smoke and heat control systems
Table 7.1
Applies to Single compartment smoke control ducts
E 15 20 30 45 60 90 120 180 240 360
600
S 5 m3/(m2h) maximum leakage rate with reference to duct surface area at ambient temperature
and 5 m3/(m2h) maximum leakage rate related to the duct surface area during the fire test.
Notes In addition to meeting the requirements related to integrity (E) the duct must also achieve 10 m3/
(m2h) maximum leakage rate with reference to duct surface area during the fire test.
The classification is completed by the suffix ‘single’ for products intended to be used for single
compartment use only.
‘ve’ and/or ‘ho’ show the product is intended to be used for vertical and/or horizontal use, within
the compartment.
‘500’, ‘1 000’, ‘1 500’ show the product is intended to be used up to these values of under-pres
sure, measured in Pa at ambient temperature.
Table 7.2
Applies to Multi-compartment fire resistant smoke control ducts
E 15 20 30 45 60 90 120 180 240 360
EI 15 20 30 45 60 90 120 180 240 360
S 5 m3/(m2h) maximum leakage rate with reference to duct surface area at ambient temperature
and 5 m3/(m2h) maximum leakage rate related to the duct surface area during the fire test.
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Notes In addition to meeting the requirements related to integrity (E) the duct must also achieve 10 m3/
(m2h) maximum leakage rate with reference to duct surface area during the fire test.
The classification is completed by the suffix ‘multi’ for products intended to be used for multi-
compartment use.
‘ve’ and/or ‘ho’ show the product is intended to be used for vertical and/or horizontal use.
‘500’, ‘1 000’, ‘1 500’ show the product is intended to be used up to these values of under-pres
sure, measured in Pa at ambient temperature.
Table 7.3
Applies to Single compartment smoke control dampers
E 15 20 30 45 60 90 120 180 240 360
600
S 200 m3/(m2h) maximum leakage rate with reference to nominal duct cross sectional area:
(a) smallest size at ambient temperature;
(b) largest size at ambient temperature and during the fire test.
Notes In addition to meeting the requirements related to integrity (E) the single compartment smoke
control damper shall also:
(a) be tested from both sides,
(b) pass a maintenance of opening test, and
(c) achieve 360 m3/(m2h) maximum leakage rate with reference to nominal duct cross sectional
area during the fire test
(1) smallest size at ambient temperature, and
(2) largest size at ambient temperature and during the fire test.
The classification is completed by the suffix ‘single’ for products intended for single compart
ment use.
‘ved’, ‘vew’, ‘vedw’ and/or ‘hod’, ‘how’, ‘hodw’ show the product is intended to be used for vertical
and/or horizontal use, together with mounting in a duct or in a wall/floor or both respectively.
‘H’ indicates a single compartment smoke control damper capable of satisfying integrity (E) for
the classification period having a horizontal blade axis or geometry,
‘V’ indicates a single compartment smoke control damper capable of satisfying integrity (E) for
the classification period having a vertical blade axis or geometry.
‘500’, ‘1 000’ and ‘1 500’ show that the product is intended to be used up to this value of under-
pressure in Pa at ambient temperature.
‘AA’ denotes for use with applications providing automatic activation, ‘MA’ denotes for use with
applications requiring manual intervention or providing automatic activation.
‘C ’, ‘C ’, ‘C ’ or ‘C (N)’, ‘C (N)’, ‘C (N)’ show the product is intended to be used
300 10 000 MOD 300 10 000 MOD
in smoke control only systems, fully controlled smoke control systems and smoke control sys
tems combined with environmental systems or modulating smoke control dampers intended to
be used in any system having a controlled or variable position, tested under load, or without load
(N), respectively.
‘HOT 400/30’ (High Operational Temperature) indicates that the single compartment smoke
control damper has been subjected to an additional test to demonstrate that it has the ability to
be opened and closed during a period of 30 minutes of temperatures up to 400 °C.
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Table 7.4
Applies to Multi-compartment fire resistant smoke control dampers
E 15 20 30 45 60 90 120 180 240 360
EI 15 20 30 45 60 90 120 180 240 360
S 200 m3/(m2h) maximum leakage rate with reference to nominal duct cross sectional area:
(a) smallest size at ambient temperature;
(b) largest size at ambient temperature and during the fire test.
Notes In addition to meeting the requirements related to integrity (E) or integrity and insulation (EI) the
multi-compartment fire resistant smoke control damper shall also:
(a) be tested from both sides,
(b) pass a maintenance of opening test, and
(c) achieve 360 m3/(m2h) maximum leakage with reference to nominal duct cross sectional area
during the fire test
(1) smallest size at ambient temperature, and
(2) largest size at ambient temperature and during the fire test.
The classification is completed by the suffix ‘multi’ for products intended for multi-compartment
use.
‘ved’, ‘vew’, ‘vedw’ and/or ‘hod’, ‘how’, ‘hodw’ show the product is intended to be used for vertical
and/or horizontal use, together with mounting in a duct or in a wall/floor or both respectively.
‘H’ indicates a multi-compartment fire resistant smoke control damper capable of satisfying
integrity (E), or integrity and insulation (EI) for the classification period having a horizontal blade
axis or geometry,
‘V’ indicates a multi-compartment fire resistant smoke control damper capable of satisfying
integrity (E), or integrity and insulation (EI) for the classification period having a vertical blade
axis or geometry.
‘500’, ‘1 000’ and ‘1 500’ show that the product is intended to be used up to this value of under-
pressure in Pa at ambient temperature.
‘AA’ denotes for use with applications providing automatic activation, ‘MA’ denotes for use with
applications requiring manual intervention or providing automatic activation.
‘C ’, ‘C ’, ‘C ’ or ‘C (N)’, ‘C (N)’, ‘C (N)’ show the product is intended to be used
300 10 000 MOD 300 10 000 MOD
in smoke control only systems, fully controlled smoke control systems and smoke control sys
tems combined with environmental systems or modulating smoke control dampers intended to
be used in any system having a controlled or variable position, tested under load, or without load
(N), respectively.
‘HOT 400/30’ (High Operational Temperature) indicates that the multi-compartment fire resis
tant smoke control damper has been subjected to an additional test to demonstrate that it has the
ability to be opened and closed during a period of 30 minutes of temperatures up to 400 °C.
Table 7.5
Applies to Smoke barriers
D 15 20 30 45 60 90 120 180 240 360
600
DH 15 20 30 45 60 90 120 180 240 360
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Table 7.6
Applies to Powered smoke and heat control ventilators (fans), including connectors
F 15 20 30 45 60 90 120 180 240 360
200
F 15 20 30 45 60 90 120 180 240 360
300
F 15 20 30 45 60 90 120 180 240 360
400
F 15 20 30 45 60 90 120 180 240 360
600
F 15 20 30 45 60 90 120 180 240 360
842
Table 7.7
Applies to Natural smoke and heat exhaust ventilators
B 15 20 30 45 60 90 120 180 240 360
300
B 15 20 30 45 60 90 120 180 240 360
600
Β 15 20 30 45 60 90 120 180 240 360
θ
Notes Where θ indicates the exposure condition (temperature), higher than 300 °C.
These products are designed to open in case of fire and do not have an integrity (E) classification.
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