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Flexible Stone Series · MBCXS
Wide Line Stone Panel
Wide ribs, set on the diagonal. At 40 mm on centres the lines stop being a texture and start being a drawing, and running them at 45 degrees is what keeps a big wall from looking like a radiator.
Technical data sheet, MBCXS (PDF, 0.8 MB)·Colour card, 106 surfaces in four series (PDF, 10.4 MB)
Each rib is a broad, flat-topped flute with a chamfered shoulder, and the set runs diagonally across the sheet rather than vertically. On a 1200 × 2800 sheet that gives you a chevron that reads from thirty metres and a shadow that reads from three.
Seven millimetres and 7 kg, which is heavy enough that the diagonal will not sag on a ceiling and light enough to glue. The diagonal is the setting-out problem: a 45-degree joint between two sheets has to be cut on site, and the cut has to follow the rib, not the sheet edge. Sold as a reeded wall panel for boardrooms and lifts, where the diagonal does the work a horizontal shadow gap cannot.
A drawing at 40 mm
At this scale the chamfer is doing all the work. The rib top catches the light, the chamfer goes into half-tone, and the valley goes dark, so a single flute gives you three tones. That is why the wide pitches look expensive under a downlight and flat under a fluorescent tube.
Double height, then dining
The lobby is a 9 m wall in the cream, with the diagonal running the full height and the joints stacked in a straight line so the chevron continues across them. The restaurant is the same sheet in a warm grey at a lower level, where the diagonal does the opposite job and breaks up a long wall.
Installed, wide line stone
Good for
- Double-height lobbies and atria
- Restaurant and bar walls that need scale rather than detail
- Ceilings, where the wide rib will not sag
- Long walls that need to be broken up without a colour change
Not for
- Small rooms; a 40 mm rib needs distance
- Anywhere the diagonal will fight a tiled floor
- Walls with a lot of sockets and switches to cut around
Wide ribs, gentle curve
The bend shot is at a 900 mm radius. The wide rib tolerates a gentle curve better than a fine one, because the chamfer absorbs the compression on the inside of the arc.
Bent by hand, no heat
Cream, grey, graphite
Three: the cream in the shot, a warm grey and a graphite. At 40 mm the colour matters less than the chamfer, because the shadow does most of the work; the graphite is for rooms where the wall should disappear at night.
Specification
Everything below applies to the Wide Line Stone as supplied. The PDF above is the same sheet we send out with a quote; ask for a printed copy and it travels with the sample.
| Sheet size | 1200 × 2800 mm |
|---|---|
| Thickness | 7 mm ± 0.5 mm |
| Weight | 7 kg/m² ± 0.5 |
| Item code | MBCXS |
| Substrate | Mineral powder, sand and fibreglass, pressed in a steel mould |
| Fire | EN 13501-1 A2-s1,d0, on a non-combustible substrate |
| Fixing | Polymer adhesive, or mechanical fixings on a ventilated frame |
| MOQ | Stocked colours ship from stock, no minimum |
| Lead time | 3–5 days for stock, 20–25 days for production |
Fitting it
Four steps, and the third one is the one that goes wrong.
Questions we get asked
Why diagonal rather than vertical?
Vertical wide fluting looks like a radiator. Diagonal reads as a design decision, and it hides the joints better because no joint runs parallel to the ribs.
Can I specify the angle?
It is moulded at 45 degrees. Any other angle means cutting every sheet on site, which is possible and expensive.
How do you handle a corner?
Mitre it on the rib line. A butt joint at a corner in a diagonal pattern always shows.
Does the diagonal need a particular sheet orientation?
Yes. Check the arrow on the back; two sheets laid opposite ways make a chevron that runs the wrong way.
Sample of Wide Line Stone
A4 offcut, posted from Ningbo, free. Ask for the colour card too — it covers all thirty-seven surfaces in the series.
Same series