CUSTOMISED COVERS We produce customised covers. Download technical drawing We produce customised covers. Download technical drawing OS5 Window cover up to 1000 mm wide with external dimensions: (with flange): up to 1000x 1230x 350mm Download technical drawing OS5 Window cover up to 1500 mm wide with external dimensions: (with flange): up to 1500x 1230x 350mm Download technical drawing