Quartet doors are made out of 18 mm melamine-faced chipboard.
The edges are sealed with 1mm ABS -tape. Moisture resistant PUR- glue is used.
Quartet doors are produced with a horizontal pattern as a standard, vertical pattern available on order.
Coverplates in same material are available. Coverplates exceeding height 1800mm are produced from 2 parts using pins. Seam at height 703 as standard.
Colour options for edge tape: same colour as door or aluminium.
Quartet products have received the M1-label.