enamasti kuivmenetlusel toodetav puitkiudplaat. Erinevate liikide tihedus alates 450 kg/m3 kuni ³ 900 kg/m3., one-layer structure fibreboard produced from wood fibres derived from roundwood, which is chipped or flaked and refined in a thermo-mechanical pulping process and finally dosed with resin and additive