{
  "url": "https://openlegislation.uk/eu-regulation-2016-364/annex",
  "json_url": "https://openlegislation.uk/eu-regulation-2016-364/annex.json",
  "legislation": "eur/2016/364",
  "legislation_title": "Commission Delegated Regulation (EU) 2016/364 of 1 July 2015 on the classification of the reaction to fire performance of construction products pursuant to Regulation (EU) No 305/2011 of the European Parliament and of the Council (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2016-364",
  "path": "annex",
  "kind": "annex",
  "number": null,
  "heading": "Classes of reaction to fire performance",
  "text": "Table 1\nClasses of reaction to fire performance for construction products excluding floorings, linear pipe thermal insulation products, and electric cables\nFor homogeneous products and substantial components of non-homogeneous products.\nFor any external non-substantial component of non-homogeneous products.\n(2a) Alternatively, any external non-substantial component having a PCS ≤ 2,0 MJm– 2, provided that the product satisfies the following criteria of EN 13823(SBI): FIGRA ≤ 20 Ws– 1; and LFS < edge of specimen; and THR600s ≤ 4,0 MJ; and s1; and d0.\nFor any internal non-substantial component of non-homogeneous products.\nFor the product as a whole.\ns1 = SMOGRA ≤ 30m2s– 2 and TSP600s ≤ 50m2; s2 = SMOGRA ≤ 180m2s– 2 and TSP600s ≤ 200m2; s3 = not s1 or s2.\nd0 = No flaming droplets/particles in EN 13823 (SBI) within 600s; d1 = No flaming droplets/particles persisting longer than 10s in EN 13823 (SBI) within 600s; d2 = not d0 or d1; Ignition of the paper in EN ISO 11925-2 results in a d2 classification.\nNo ignition of the paper = no additional classification; Ignition of the paper = d2 classification.\nUnder conditions of surface flame attack and, if appropriate to the intended use of the product, edge flame attack.\nClass\nTest method(s)\nClassification criteria\nAdditional classification\nA1\nEN ISO 1182;\nand\nΔΤ ≤ 30 °C; and\nΔm ≤ 50 %; and\ntf = 0 (i.e. no sustained flaming)\nEN ISO 1716\nPCS ≤ 2,0 MJkg– 1 ; and\nPCS ≤ 2,0 MJkg– 1 ; and\nPCS ≤ 1,4 MJm– 2 ; and\nPCS ≤ 2,0 MJkg– 1\nA2\nEN ISO 1182;\nor\nΔΤ ≤ 50 °C; and\nΔm ≤ 50 %; and\ntf ≤ 20 s\nEN ISO 1716;\nand\nPCS ≤ 3,0 MJkg– 1 ; and\nPCS ≤ 4,0 MJm– 2 ; and\nPCS ≤ 4,0 MJm– 2 ; and\nPCS ≤ 3,0 MJkg– 1\nEN 13823 (SBI)\nFIGRA ≤ 120 Ws– 1; and\nLFS < edge of specimen; and\nTHR600s ≤ 7,5 MJ\nSmoke production; and\nFlaming droplets/particles\nB\nEN 13823 (SBI);\nand\nFIGRA ≤ 120 Ws– 1; and\nLFS < edge of specimen; and\nTHR600s ≤ 7,5 MJ\nSmoke production; and\nFlaming droplets/particles\nEN ISO 11925-2:\nExposure = 30 s\nFs ≤ 150 mm within 60 s\nC\nEN 13823 (SBI);\nand\nFIGRA ≤ 250 Ws– 1; and\nLFS < edge of specimen; and\nTHR600s ≤ 15 MJ\nSmoke production; and\nFlaming droplets/particles\nEN ISO 11925-2:\nExposure = 30 s\nFs ≤ 150 mm within 60 s\nD\nEN 13823 (SBI);\nand\nFIGRA ≤ 750 Ws– 1\nSmoke production; and\nFlaming droplets/particles\nEN ISO 11925-2:\nExposure = 30 s\nFs ≤ 150 mm within 60 s\nE\nEN ISO 11925-2:\nExposure = 15 s\nFs ≤ 150 mm within 20 s\nFlaming droplets/particles\nF\nEN ISO 11925-2:\nExposure = 15 s\nFs > 150 mm within 20 s\nTable 2\nClasses of reaction to fire performance for floorings\nFor homogeneous products and substantial components of non-homogeneous products.\nFor any external non-substantial component of non-homogeneous products.\nFor any internal non-substantial component of non-homogeneous products.\nFor the product as a whole.\nTest duration = 30 minutes.\nCritical flux is defined as the radiant flux at which the flame extinguishes or the radiant flux after a test period of 30 minutes, whichever is the lower (i.e. the flux corresponding with the furthest extent of spread of flame).\ns1 = Smoke ≤ 750 %.min; s2 = not s1.\nUnder conditions of surface flame attack and, if appropriate to the intended use of the product, edge flame attack.\nClass\nTest method(s)\nClassification criteria\nAdditional classification\nA1FL\nEN ISO 1182;\nand\nΔΤ ≤ 30 °C; and\nΔm ≤ 50 %; and\ntf = 0 (i.e. no sustained flaming)\nEN ISO 1716\nPCS ≤ 2,0 MJkg– 1 ; and\nPCS ≤ 2,0 MJkg– 1 ; and\nPCS ≤ 1,4 MJm– 2 ; and\nPCS ≤ 2,0 MJkg– 1\nA2FL\nEN ISO 1182;\nor\nΔΤ ≤ 50 °C; and\nΔm ≤ 50 %; and\ntf ≤ 20 s\nEN ISO 1716;\nand\nPCS ≤ 3,0 MJkg– 1 ; and\nPCS ≤ 4,0 MJm– 2 ; and\nPCS ≤ 4,0 MJm– 2 ; and\nPCS ≤ 3,0 MJkg– 1\nEN ISO 9239-1\nCritical flux ≥ 8,0 kWm– 2\nSmoke production\nBFL\nEN ISO 9239-1\nand\nCritical flux ≥ 8,0 kWm– 2\nSmoke production\nEN ISO 11925-2:\nExposure = 15 s\nFs ≤ 150 mm within 20 s\nCFL\nEN ISO 9239-1\nand\nCritical flux ≥ 4,5 kWm– 2\nSmoke production\nEN ISO 11925-2:\nExposure = 15 s\nFs ≤ 150 mm within 20 s\nDFL\nEN ISO 9239-1\nand\nCritical flux ≥ 3,0 kWm– 2\nSmoke production\nEN ISO 11925-2:\nExposure = 15 s\nFs ≤ 150 mm within 20 s\nEFL\nEN ISO 11925-2:\nExposure = 15 s\nFs ≤ 150 mm within 20 s\nFFL\nEN ISO 11925-2:\nExposure = 15 s\nFs > 150 mm within 20 s\nTable 3\nClasses of reaction to fire performance for linear pipe insulation products\nFor homogeneous products and substantial components of non-homogeneous products.\nFor any external non-substantial component of non-homogeneous products.\nFor any internal non-substantial component of non-homogeneous products.\nFor the product as a whole.\ns1 = SMOGRA ≤ 105 m2s– 2 and TSP600s ≤ 250 m2; s2 = SMOGRA ≤ 580 m2s– 2 and TSP600s ≤ 1 600 m2; s3 = not s1 or s2.\nd0 = No flaming droplets/particles in EN13823 (SBI) within 600s; d1 = No flaming droplets/particles persisting longer than 10s in EN13823 (SBI) within 600s; d2 = not d0 or d1; Ignition of the paper in EN ISO 11925-2 results in a d2 classification.\nNo ignition of the paper = no additional classification; Ignition of the paper = d2 classification.\nUnder conditions of surface flame attack and, if appropriate to the intended use of the product, edge flame attack.\nClass\nTest method(s)\nClassification criteria\nAdditional classification\nA1L\nEN ISO 1182;\nand\nΔT ≤ 30 °C; and\nΔm ≤ 50 %; and\ntf = 0 (i.e. no sustained flaming)\nEN ISO 1716\nPCS ≤ 2,0 MJkg– 1 ; and\nPCS ≤ 2,0 MJkg– 1 ; and\nPCS ≤ 1,4 MJm– 2 ; and\nPCS ≤ 2,0 MJkg– 1\nA2L\nEN ISO 1182;\nor\nΔT ≤ 50 °C; and\nΔm ≤ 50 %; and tf ≤ 20 s\nEN ISO 1716;\nand\nPCS ≤ 3,0 MJkg– 1 ; and\nPCS ≤ 4,0 MJm– 2 ; and\nPCS ≤ 4,0 MJm– 2 ; and\nPCS ≤ 3,0 MJkg– 1\nEN 13823 (SBI)\nFIGRA ≤ 270 Ws– 1; and\nLFS < edge of specimen; and\nTHR600s ≤ 7,5 MJ\nSmoke production; and\nFlaming droplets/particles\nBL\nEN 13823 (SBI);\nand\nFIGRA ≤ 270 Ws– 1; and\nLFS < edge of specimen; and\nTHR600s ≤ 7,5 MJ\nSmoke production; and\nFlaming droplets/particles\nEN ISO 11925-2:\nExposure = 30 s\nFs ≤ 150 mm within 60 s\nCL\nEN 13823 (SBI);\nand\nFIGRA ≤ 460 Ws– 1; and\nLFS < edge of specimen; and\nTHR600s ≤ 15 MJ\nSmoke production; and\nFlaming droplets/particles\nEN ISO 11925-2:\nExposure = 30 s\nFs ≤ 150 mm within 60 s\nDL\nEN 13823 (SBI);\nand\nFIGRA ≤ 2 100 Ws– 1\nTHR600s ≤ 100 MJ\nSmoke production; and\nFlaming droplets/particles\nEN ISO 11925-2:\nExposure = 30 s\nFs ≤ 150 mm within 60 s\nEL\nEN ISO 11925-2:\nExposure = 15 s\nFs ≤ 150 mm within 20 s\nFlaming droplets/particles\nFL\nEN ISO 11925-2:\nExposure = 15 s\nFs > 150mm within 20 s\nTable 4\nClasses of reaction to fire performance for electric cables\nFor the product as a whole, excluding metallic materials, and for any external component (i.e. sheath) of the product.\ns1 = TSP1200 ≤ 50 m2 and Peak SPR ≤ 0,25 m2/s\ns1a = s1 and transmittance in accordance with EN 61034-2 ≥ 80 %\ns1b = s1 and transmittance in accordance with EN 61034-2 ≥ 60 % < 80 %\ns2 = TSP1200 ≤ 400 m2 and Peak SPR ≤ 1,5 m2/s\ns3 = not s1 or s2\nd0 = No flaming droplets/particles within 1 200 s; d1 = No flaming droplets/particles persisting longer than 10 s within 1 200 s; d2 = not d0 or d1.\nEN 60754-2: a1 = conductivity < 2,5 μS/mm and pH > 4,3; a2 = conductivity < 10 μS/mm and pH > 4,3; a3 = not a1 or a2.\nThe smoke class declared for class B1ca cables must originate from the EN 50399 test (30 kW flame source).\nThe smoke class declared for class B2ca, Cca, Dca cables must originate from the EN 50399 test (20,5 kW flame source).\nClass\nTest method(s)\nClassification criteria\nAdditional classification\nAca\nEN ISO 1716\nPCS ≤ 2,0 MJ/kg\nB1ca\nEN 50399 (30 kW flame source)\nand\nFS ≤ 1,75 m and\nTHR1200s ≤ 10 MJ and\nPeak HRR ≤ 20 kW and\nFIGRA ≤ 120 Ws– 1\nSmoke production and Flaming droplets/particles and Acidity (pH and conductivity)\nEN 60332-1-2\nH ≤ 425 mm\nB2ca\nEN 50399 (20,5 kW flame source)\nand\nFS ≤ 1,5 m; and\nTHR1200s ≤ 15 MJ; and\nPeak HRR ≤ 30 kW; and\nFIGRA ≤ 150 Ws– 1\nSmoke production and Flaming droplets/particles and Acidity (pH and conductivity)\nEN 60332-1-2\nH ≤ 425 mm\nCca\nEN 50399 (20,5 kW flame source)\nand\nFS ≤ 2,0 m; and\nTHR1200s ≤ 30 MJ; and\nPeak HRR ≤ 60 kW; and\nFIGRA ≤ 300 Ws– 1\nSmoke production and Flaming droplets/particles and Acidity (pH and conductivity)\nEN 60332-1-2\nH ≤ 425 mm\nDca\nEN 50399 (20,5 kW flame source)\nand\nTHR1200s ≤ 70 MJ; and\nPeak HRR ≤ 400 kW; and\nFIGRA ≤ 1 300 Ws– 1\nSmoke production and Flaming droplets/particles and Acidity (pH and conductivity)\nEN 60332-1-2\nH ≤ 425 mm\nEca\nEN 60332-1-2\nH ≤ 425 mm\nFca\nEN 60332-1-2\nH > 425 mm",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "footnote",
      "label": "f1",
      "text": "For homogeneous products and substantial components of non-homogeneous products."
    },
    {
      "type": "footnote",
      "label": "f2",
      "text": "For any external non-substantial component of non-homogeneous products."
    },
    {
      "type": "footnote",
      "label": "f3",
      "text": "(2a) Alternatively, any external non-substantial component having a PCS ≤ 2,0 MJm– 2, provided that the product satisfies the following criteria of EN 13823(SBI): FIGRA ≤ 20 Ws– 1; and LFS < edge of specimen; and THR600s ≤ 4,0 MJ; and s1; and d0."
    },
    {
      "type": "footnote",
      "label": "f4",
      "text": "For any internal non-substantial component of non-homogeneous products."
    },
    {
      "type": "footnote",
      "label": "f5",
      "text": "For the product as a whole."
    },
    {
      "type": "footnote",
      "label": "f6",
      "text": "s1 = SMOGRA ≤ 30m2s– 2 and TSP600s ≤ 50m2; s2 = SMOGRA ≤ 180m2s– 2 and TSP600s ≤ 200m2; s3 = not s1 or s2."
    },
    {
      "type": "footnote",
      "label": "f7",
      "text": "d0 = No flaming droplets/particles in EN 13823 (SBI) within 600s; d1 = No flaming droplets/particles persisting longer than 10s in EN 13823 (SBI) within 600s; d2 = not d0 or d1; Ignition of the paper in EN ISO 11925-2 results in a d2 classification."
    },
    {
      "type": "footnote",
      "label": "f8",
      "text": "Under conditions of surface flame attack and, if appropriate to the intended use of the product, edge flame attack."
    },
    {
      "type": "footnote",
      "label": "f9",
      "text": "No ignition of the paper = no additional classification; Ignition of the paper = d2 classification."
    },
    {
      "type": "footnote",
      "label": "f10",
      "text": "For homogeneous products and substantial components of non-homogeneous products."
    },
    {
      "type": "footnote",
      "label": "f11",
      "text": "For any external non-substantial component of non-homogeneous products."
    },
    {
      "type": "footnote",
      "label": "f12",
      "text": "For any internal non-substantial component of non-homogeneous products."
    },
    {
      "type": "footnote",
      "label": "f13",
      "text": "For the product as a whole."
    },
    {
      "type": "footnote",
      "label": "f14",
      "text": "Test duration = 30 minutes."
    },
    {
      "type": "footnote",
      "label": "f15",
      "text": "Critical flux is defined as the radiant flux at which the flame extinguishes or the radiant flux after a test period of 30 minutes, whichever is the lower (i.e. the flux corresponding with the furthest extent of spread of flame)."
    },
    {
      "type": "footnote",
      "label": "f16",
      "text": "s1 = Smoke ≤ 750 %.min; s2 = not s1."
    },
    {
      "type": "footnote",
      "label": "f17",
      "text": "Under conditions of surface flame attack and, if appropriate to the intended use of the product, edge flame attack."
    },
    {
      "type": "footnote",
      "label": "f18",
      "text": "For homogeneous products and substantial components of non-homogeneous products."
    },
    {
      "type": "footnote",
      "label": "f19",
      "text": "For any external non-substantial component of non-homogeneous products."
    },
    {
      "type": "footnote",
      "label": "f20",
      "text": "For any internal non-substantial component of non-homogeneous products."
    },
    {
      "type": "footnote",
      "label": "f21",
      "text": "For the product as a whole."
    },
    {
      "type": "footnote",
      "label": "f22",
      "text": "s1 = SMOGRA ≤ 105 m2s– 2 and TSP600s ≤ 250 m2; s2 = SMOGRA ≤ 580 m2s– 2 and TSP600s ≤ 1 600 m2; s3 = not s1 or s2."
    },
    {
      "type": "footnote",
      "label": "f23",
      "text": "d0 = No flaming droplets/particles in EN13823 (SBI) within 600s; d1 = No flaming droplets/particles persisting longer than 10s in EN13823 (SBI) within 600s; d2 = not d0 or d1; Ignition of the paper in EN ISO 11925-2 results in a d2 classification."
    },
    {
      "type": "footnote",
      "label": "f24",
      "text": "Under conditions of surface flame attack and, if appropriate to the intended use of the product, edge flame attack."
    },
    {
      "type": "footnote",
      "label": "f25",
      "text": "No ignition of the paper = no additional classification; Ignition of the paper = d2 classification."
    },
    {
      "type": "footnote",
      "label": "f26",
      "text": "For the product as a whole, excluding metallic materials, and for any external component (i.e. sheath) of the product."
    },
    {
      "type": "footnote",
      "label": "f27",
      "text": "s1 = TSP1200 ≤ 50 m2 and Peak SPR ≤ 0,25 m2/s s1a = s1 and transmittance in accordance with EN 61034-2 ≥ 80 % s1b = s1 and transmittance in accordance with EN 61034-2 ≥ 60 % < 80 % s2 = TSP1200 ≤ 400 m2 and Peak SPR ≤ 1,5 m2/s s3 = not s1 or s2"
    },
    {
      "type": "footnote",
      "label": "f28",
      "text": "The smoke class declared for class B1ca cables must originate from the EN 50399 test (30 kW flame source)."
    },
    {
      "type": "footnote",
      "label": "f29",
      "text": "d0 = No flaming droplets/particles within 1 200 s; d1 = No flaming droplets/particles persisting longer than 10 s within 1 200 s; d2 = not d0 or d1."
    },
    {
      "type": "footnote",
      "label": "f30",
      "text": "EN 60754-2: a1 = conductivity < 2,5 μS/mm and pH > 4,3; a2 = conductivity < 10 μS/mm and pH > 4,3; a3 = not a1 or a2."
    },
    {
      "type": "footnote",
      "label": "f31",
      "text": "The smoke class declared for class B2ca, Cca, Dca cables must originate from the EN 50399 test (20,5 kW flame source)."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2016/364/annex",
    "retrieved_at": "2026-11-01T14:45:59.803914+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}