Sash : It is obtained by using 6mm at least 720 kg /m density of MDF covered by 0.2 mm Adofilm pvc foil, which is grouted in the desired model on the wooden internal structure. Kraft honeycomb or semi solid chipboard can be used as internal filling.
Frame and cornice : Made of wood composite (CRP) material and covered by Adofilm PVC foil with a high PU (Polyurethane) E1 quality glue. The cornices have an adjustable feature to be attached to the frame on both sides.