{
  "url": "https://openlegislation.uk/eu-decision-2003-43/annex",
  "json_url": "https://openlegislation.uk/eu-decision-2003-43/annex.json",
  "legislation": "eudn/2003/43",
  "legislation_title": "Commission Decision of 17 January 2003 establishing the classes of reaction-to-fire performance for certain construction products (notified under document number C(2002) 4807) (Text with EEA relevance) (2003/43/EC)",
  "legislation_url": "https://openlegislation.uk/eu-decision-2003-43",
  "path": "annex",
  "kind": "annex",
  "number": null,
  "heading": null,
  "text": "The tables set out in this annex list construction products and/or materials which satisfy all the requirements for the performance characteristic reaction to fire without need for testing.\nTable 1\nClasses of reaction to fire performance for wood-based panels\nMounted without an air gap directly against class A1 or A2-s1, d0 products with minimum density 10 kg/m 3 or at least class D-s2, d2 products with minimum density 400 kg/m 3 .\nA substrate of cellulose insulation material of at least class E may be included if mounted directly against the wood-based panel, but not for floorings.\nMounted with an air gap behind. The reverse face of the cavity shall be at least class A2-s1, d0 products with minimum density 10 kg/m 3 .\nMounted with an air gap behind. The reverse face of the cavity shall be at least class D-s2, d2 products with minimum density 400 kg/m 3 .\nVeneered, phenol- and melamine-faced panels are included for class excl. floorings.\nA vapour barrier with a thickness up to 0,4 mm and a mass up to 200 g/m 2 can be mounted in between the wood-based panel and a substrate if there are no air gaps in between.\nClass as provided for in Table 1 of the Annex to Decision 2000/147/EC.\nClass as provided for in Table 2 of the Annex to Decision 2000/147/EC.\nProduct\nEN product standard\nEnd use condition\nMinimum density (kg/m 3 )\nMinimum thickness (mm)\nClass (excluding floorings)\nClass (floorings)\nCement-bonded particleboard\nEN 634-2\nwithout an air gap behind the panel\n1 000\n10\nB-s1, d0\nB fl -s1\nFibreboard, hard\nEN 622-2\nwithout an air gap behind the wood-based panel\n900\n6\nD-s2, d0\nD fl -s1\nFibreboard, hard\nEN 622-2\nwith a closed air gap not more than 22 mm behind the wood-based panel\n900\n6\nD-s2, d2\n—\nParticleboard , ,\nEN 312\nwithout an air gap behind the wood-based panel\n600\n9\nD-s2, d0\nD fl -s1\nFibreboard, hard and medium , ,\nEN 622-2\nEN 622-3\nMDF , ,\nEN 622-5\nMDF , ,\nEN 300\nPlywood , ,\nEN 636\n-“-\n400\n9\nD-s2, d0\nD fl -s1\nSolid wood panel , ,\nEN 13353\n12\nFlaxboard , ,\nEN 15197\n-“-\n450\n15\nD-s2, d0\nD fl -s1\nParticleboard ,\nEN 312\nwith a closed or an open air gap not more than 22 mm behind the wood-based panel\n600\n9\nD-s2, d2\n—\nFibreboard, hard and medium ,\nEN 622-2\nEN 622-3\nMDF ,\nEN 622-5\nOSB ,\nEN 300\nPlywood ,\nEN 636\n-“-\n400\n9\nD-s2, d2\n—\nSolid wood panel ,\nEN 13353\n12\nParticleboard ,\nEN 312\nwith a closed air gap behind the wood-based panel\n600\n15\nD-s2, d0\nD fl -s1\nFibreboard, medium ,\nEN 622-3\nMDF ,\nEN 622-5\nOSB ,\nEN 300\nPlywood ,\nEN 636\n-“-\n400\n15\nD-s2, d1\nD fl -s1\nSolid wood panel ,\nEN 13353\nD-s2, d0\nFlaxboard ,\nEN 15197\n-“-\n450\n15\nD-s2, d0\nD fl -s1\nParticleboard ,\nEN 312\nwith an open air gap behind the wood-based panel\n600\n18\nD-s2, d0\nD fl -s1\nFibreboard, medium ,\nEN 622-3\nMDF ,\nEN 622-5\nOSB ,\nEN 300\nPlywood ,\nEN 636\n-“-\n400\n18\nD-s2, d0\nD fl -s1\nSolid wood panel ,\nEN 13353\nFlaxboard ,\nEN 15197\n-“-\n450\n18\nD-s2, d0\nD fl -s1\nParticleboard\nEN 312\nany\n600\n3\nE\nE fl\nOSB\nEN 300\nMDF\nEN 622-5\n-“-\n400\n3\nE\nE fl\n250\n9\nE\nE fl\nPlywood\nEN 636\n-“-\n400\n3\nE\nE fl\nFibreboard, hard\nEN 622-2\n-“-\n900\n3\nE\nE fl\nFibreboard, medium\nEN 622-3\n-“-\n400\n9\nE\nE fl\nFibreboard, soft\nEN 622-4\n-“-\n250\n9\nE\nE fl\nTable 2\nClasses of reaction — to — fire performance of gypsum plasterboards\nDetermined according to EN ISO 536 and with no more than 5 % organic additive content.\nClasses as provided for in Table 1 of the Annex to Commission Decision 2000/147/EC.\nGypsum plasterboard\nNominal board thickness (mm)\nGypsum core\nPaper grammage (g/m 2 )\nSubstrate\nClass (excluding floorings)\nDensity (kg/m 3 )\nReaction to fire class\nConforming to EN 520 (except perforated boards)\n≥ 6,5 < 9,5\n≥ 800\nA1\n≤ 220\nAny wood-based product with density ≥ 400 kg/m 3 or any product of at least class A2-s1, d0\nA2-s1, d0\n> 220 ≤ 320\nB-s1, d0\n≥ 9,5\n≥ 600\n≤ 220\nAny wood-based product with density ≥ 400 kg/m 3 or any product of at least class A2-s1, d0 or any insulating product of at least class E-d2 mounted according to method 1\nA2-s1, d0\n> 220 ≤ 320\nB-s1, d0\nTable 3\nClasses of reaction-to-fire performance of high-pressure decorative laminate panels\nEither directly fixed (i.e. with no air gap) to a material having a reaction to fire of A2-s1, d0 or better and a density of at least 600 kg/m 3 , or mounted on a timber or metal batten support frame, with a non-ventilated (i.e. void open only at the top) air gap of at least 30 mm, the reverse face of the cavity so formed having a reaction to fire classification of A2-s1, d0 or better.\nClasses as provided for in Table 1 of the Annex to Decision 2000/147/EC.\nComplying with European Standard EN 438-7.\nHigh pressure decorative laminate panels\nProduct detail\nMinimum density (kg/m 3 )\nMinimum overall thickness (mm)\nClass (excluding floorings)\nInterior grade non-FR Compact HPL panels\nCompact HPL meeting EN 438-4 type CGS\n1 350\n6\nD-s2, d0\nInterior grade non-FR HPL composite panels with wood-based substrates\nComposite panels comprising non-FR grade HPL meeting the requirements of EN 438-3, adhesively bonded to both sides of non-FR grade wood-based core of minimum thickness 12 mm complying with EN 13986, using PVAc or thermosetting adhesive at an application rate of 60 to 120 g/m 2\nWood-based core minimum density 600\nHPL minimum density 1 350\n12 mm wood-based core with HPL ≥ 0,5 mm bonded to both sides\nD-s2, d0\nTable 4\nClasses of reaction-to-fire performance of structural timber products\nApplies to all species covered by the product standards.\nClasses as provided for in Table 1 of the Annex to Decision 2000/147/EC.\nConditioned according to EN 13238.\nProduct detail\nMinimum mean density (kg/m 3 )\nMinimum overall thickness (mm)\nClass (excluding floorings)\nStructural timber\nVisual and machine graded structural timber with rectangular cross-sections shaped by sawing, planing or other methods or with round cross-sections\n350\n22\nD-s2, d0",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Substituted by Commission Decision of 15 May 2007 amending Decision 2003/43/EC establishing the classes of reaction-to-fire performance for certain construction products as regards wood-based panels (notified under document number C(2007) 2045) (Text with EEA relevance) (2007/348/EC)."
    },
    {
      "type": "F",
      "label": "F2",
      "text": "Inserted by Commission Decision of 7 August 2003 amending Decision 2003/43/EC establishing the classes of reaction-to-fire performance of certain construction products (notified under document number C(2003) 2592) (Text with EEA relevance) (2003/593/EC)."
    },
    {
      "type": "F",
      "label": "F3",
      "text": "Substituted by Commission Decision of 5 October 2006 amending Decision 2003/43/EC establishing the classes of reaction-to-fire performance for certain construction products as regards gypsum plasterboards (notified under document number C(2006) 4360) (Text with EEA relevance) (2006/673/EC)."
    },
    {
      "type": "footnote",
      "label": "f1",
      "text": "A vapour barrier with a thickness up to 0,4 mm and a mass up to 200 g/m 2 can be mounted in between the wood-based panel and a substrate if there are no air gaps in between."
    },
    {
      "type": "footnote",
      "label": "f2",
      "text": "Class as provided for in Table 1 of the Annex to Decision 2000/147/EC."
    },
    {
      "type": "footnote",
      "label": "f3",
      "text": "Class as provided for in Table 2 of the Annex to Decision 2000/147/EC."
    },
    {
      "type": "footnote",
      "label": "f4",
      "text": "Mounted without an air gap directly against class A1 or A2-s1, d0 products with minimum density 10 kg/m 3 or at least class D-s2, d2 products with minimum density 400 kg/m 3 ."
    },
    {
      "type": "footnote",
      "label": "f5",
      "text": "Mounted with an air gap behind. The reverse face of the cavity shall be at least class A2-s1, d0 products with minimum density 10 kg/m 3 ."
    },
    {
      "type": "footnote",
      "label": "f6",
      "text": "A substrate of cellulose insulation material of at least class E may be included if mounted directly against the wood-based panel, but not for floorings."
    },
    {
      "type": "footnote",
      "label": "f7",
      "text": "Veneered, phenol- and melamine-faced panels are included for class excl. floorings."
    },
    {
      "type": "footnote",
      "label": "f8",
      "text": "Mounted with an air gap behind. The reverse face of the cavity shall be at least class D-s2, d2 products with minimum density 400 kg/m 3 ."
    },
    {
      "type": "footnote",
      "label": "f9",
      "text": "Determined according to EN ISO 536 and with no more than 5 % organic additive content."
    },
    {
      "type": "footnote",
      "label": "f10",
      "text": "Classes as provided for in Table 1 of the Annex to Commission Decision 2000/147/EC."
    },
    {
      "type": "footnote",
      "label": "f11",
      "text": "Either directly fixed (i.e. with no air gap) to a material having a reaction to fire of A2-s1, d0 or better and a density of at least 600 kg/m 3 , or mounted on a timber or metal batten support frame, with a non-ventilated (i.e. void open only at the top) air gap of at least 30 mm, the reverse face of the cavity so formed having a reaction to fire classification of A2-s1, d0 or better."
    },
    {
      "type": "footnote",
      "label": "f12",
      "text": "Classes as provided for in Table 1 of the Annex to Decision 2000/147/EC."
    },
    {
      "type": "footnote",
      "label": "f13",
      "text": "Complying with European Standard EN 438-7."
    },
    {
      "type": "footnote",
      "label": "f14",
      "text": "Applies to all species covered by the product standards."
    },
    {
      "type": "footnote",
      "label": "f15",
      "text": "Conditioned according to EN 13238."
    },
    {
      "type": "footnote",
      "label": "f16",
      "text": "Classes as provided for in Table 1 of the Annex to Decision 2000/147/EC."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eudn/2003/43/annex",
    "retrieved_at": "2026-11-01T15:18:25.753742+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."
}