Grooved panel (URA)
Length 2,500 mm (+- 10 mm)
Width 50–100 mm (140–250 mm widths available on order)
One side of the panel is fluted lengthwise and there is a horizontal rabbet at one end with a flat edge at the other
Technical specifications:
| Panel | Length | Width | Thickness |
| Grooved panel, FI-400 URA | 2500 mm | 600 mm |
50 – 100 mm |
