Group L1 LIGNOdur LIGNOdur / Chipboard: L027 natural beech laminate. LIGNOdur / Chipboard: L028 natural maple laminate. LIGNOdur / Chipboard: L031 grey white ( ≈ RAL 9002 ). LIGNOdur / Chipboard: L035 andes grey ( ≈ RAL 7035 ).