Particleboard (‘Chipboard’) Composition Wood chips comprise the bulk of particleboard and are prepared in a mechanical chipper generally from coniferous softwoods principally spruce, though pine and fir and hardwoods, such as birch, are sometimes used. Particleboards may also incorporate a large proportion from recycled sources (up to 95% plus but generally around 40%). These chips are generally bound together with …

SWP/1 :Solid wood panel for use in dry conditionsSWP/2 :Solid wood panel for use in humid conditionsSWP/3 :Solid wood panel for use in exterior conditions

LVL/1 :LVL for use in dry conditionsLVL/2 :LVL for use in humid conditionsLVL/3 :LVL for use in exterior conditions