P1: general purpose boards for use in dry conditions.P2: boards for interior fitments (including furniture) for use in dry conditions.P3: non load-bearing boards for use in humid conditionsP4: load-bearing boards for use in dry conditions.P5: load-bearing boards for use in humid conditions.P6: heavy duty load-bearing boards for use in dry conditions.P7: heavy duty load-bearing boards for use in humid conditions.

EN 634-1 Cement-bonded particleboards – Specifications-Part 1: General requirements.EN 634-2 Cement-bonded particleboards – Specifications-Part 2: Requirements for OPC bonded particleboards for use in dry, humid and exterior conditions. MOE classes 1 & 2.

Wet Process Fibreboards Softboard (EN 622-4)General purpose (for use in dry conditions) SBGeneral purpose (for use in humid conditions) SB.HGeneral purpose (for use in exterior conditions) SB.E EN 622-4Load bearing (for use in dry conditions) SB.LSLoad bearing (for use in humid conditions) SB.HLSaLow density mediumboard (EN 622-3)General purpose (for use in dry conditions) MBLGeneral purpose (for use in humid conditions) …