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Flexible Stone Series · MBQBY
Cliff Stone Panel
A cliff face in vertical section: pale grey stone sheared into long striations, with fissures running down it like a rock that has been rained on for a thousand years.

Technical data sheet, MBQBY (PDF, 0.8 MB)·Colour card, 106 surfaces in four series (PDF, 10.4 MB)
The pattern is directional and vertical, but not a flute. The striations vary in width from 2 to 15 mm, the fissures cut across them at a slight angle, and the surface steps in and out by a few millimetres with no regularity at all. It is the least repetitive texture in the range.
Five millimetres and 8 kg, in 1050 × 590 for a panel and 1200 × 3000 for a wall. The 590 is there for a reason: at this level of detail the pattern is best read on a panel, and a wall of small panels with a shadow gap looks like a rock face rather than a wall. Specified as rock face stone for stair walls and lobbies, deep enough to read as quarried from two metres away.
Nothing repeats
Most moulded textures repeat every 1200 and you can find the repeat in a minute. This one has been built from a scan rather than a drawn pattern, so the fissures run for two metres before anything comes back. It is the only sheet in the range where I would not bother to stagger the joints.

Gallery, then lobby
The gallery is the 590 panel, set in a grid with a 4 mm shadow gap, all of it unpainted white-grey, so the wall reads as a single rock surface made of blocks. The lobby is the 3000 sheet, cut in half height and stacked, which is the cheaper way to get the same effect.
Installed, cliff stone
Good for
- Gallery and museum walls
- Hotel lobbies and feature walls
- Exterior walls on a drained frame, where it reads as rock
- Walls with concealed lighting, because the fissures take a raking light
Not for
- Small rooms; the detail needs a metre of viewing distance
- Anywhere it will be cleaned aggressively
- Walls that need to look man-made and precise
Grey, chalk, and a warm sand
Three: the pale grey in the shot, a chalk white and a warm sand. The chalk is the one for galleries, because it takes a picture light without going yellow; the sand is for exteriors, where a grey wall in the sun looks cold.

Specification
Everything below applies to the Cliff 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 | 1050 × 590 and 1200 × 3000 mm |
|---|---|
| Thickness | 5 mm ± 0.5 mm |
| Weight | 8 kg/m² ± 0.5 |
| Item code | MBQBY |
| 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
Is the pattern a scan?
It was taken from a cliff face in Guangdong and cleaned up for the mould. The fissures are real ones.
Why the 590 panel?
Because at this detail the panel grid is part of the design. A large sheet of it looks like a photograph; a grid of panels looks like a wall.
Can it be used on a ceiling?
At 8 kg, yes, on a proper grid, but the fissures read oddly from below. It is a wall texture.
How do you cut it?
A fine-tooth blade, cut from the back. The face is uneven enough that a rough cut disappears.
Sample of Cliff Stone
A4 offcut, posted from Ningbo, free. Ask for the colour card too — it covers all thirty-seven surfaces in the series.
Same series
