commiss decis august amend decis ec establish class reaction fire perform construct product notifi document number text eea relev ec commiss european commun regard treati establish european commun regard council direct eec decemb approxim law regul administr provis member state relat construct product amend direct eec articl thereof commiss decis ec establish class reaction fire perform construct product wood base panel product decis ec adapt technic progress inclus gypsum product high pressur decor lamin panel structur timber product conform classif establish commiss decis ec februari implement council direct eec classif reaction fire perform construct product decis ec amend measur provid decis accord opinion stand committe construct adopt decis articl annex decis ec amend set annex decis articl decis address member state brussel august commiss erkki liikanen member commiss oj oj oj oj annex annex decis ec tabl note ad quot tabl class reaction fire perform gypsum plasterboard product gt tabl gt note end applic gypsum plasterboard mount fix method mechan fix support substructur board case multi layer system outermost layer board mechan fix metal substructur made compon detail en timber substructur accord en env substructur support member direct maximum span support member exce dimens equal time thick board substructur includ support member direct maximum span direct exce dimens equal time thick board mechan fix screw nail fix thick board substructur centr exceed mm measur length support member joint adjoin board fulli fill joint compound en caviti form board substructur provid air space fill insul materi reaction fire classif class directli fix bond solid substrat dry line system board fix directli solid substrat reaction fire classif class board fix screw nail fix thick board solid substrat bond substrat dab gypsum base adhes compound case screw nail fix adhes dab posit maximum mm vertic horizont centr joint adjoin board fulli fill joint compound en tabl class reaction fire perform high pressur decor lamin panel gt tabl gt tabl class reaction fire perform structur timber product appli speci cover product standard gt tabl gt quot