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Flexible Stone Series · MB-TPC
Travertine Post Panel, Convex Rib
The same post wrap with a convex rib instead of a groove. Half-round reeds at 60 mm centres, so the column catches the light on every rib and reads as a turned stone pier.

Technical data sheet, MB-TPC (PDF, 0.8 MB)·Colour card, 106 surfaces in four series (PDF, 10.4 MB)
Each rib is a half-round about 40 mm wide on a 60 mm module, so there is a flat band between them. The travertine face is the same cream as the flat version, with the pores running across the ribs rather than along them, which is what happens when you press a horizontal pattern into a vertical form.
Seven millimetres and 7.5 kg, 1200 × 3000. The convex rib is more forgiving than a groove on a column that is not perfectly square, because the ribs hide a 2 to 3 mm variation at the corner. On a badly out-of-square post, this is the profile to use. It is bought as honed travertine for anything at hand height, because a rib with a sharp edge chips and a convex one does not.
Light on every rib
A convex rib gives you three tones where a groove gives you one: a highlight on the crown, a mid-tone on the flank and a shadow in the gap. On a column in a corridor with downlights at 2 m centres, that means the pier lights up in stripes as you walk past it.

Good for
- Hotel corridor columns
- Bar and restaurant posts
- Lift surrounds
- Columns that are slightly out of square, because the rib hides it
Not for
- Round columns; the flat sheet will not follow the curve, use Post-100
- Walls, where the rib reads as a radiator
- Exterior columns without the exterior face
Cream and sand
Two: the cream in the shot and a sand. A convex rib in a dark colour reads as a machined metal profile, which is a different product; keep it pale.

Specification
Everything below applies to the Travertine Post-C 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 × 3000 mm |
|---|---|
| Thickness | 7 mm ± 1 mm |
| Weight | 7.5 kg/m² ± 0.5 |
| Item code | MB-TPC |
| 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
Can it wrap a round column?
Not this profile. A round column needs the Post-100, which has larger ribs and enough give in the sheet to follow a 600 mm radius.
How do the ribs meet at a corner?
Mitre on the flat band between two ribs. Mitre on a rib and the corner shows a seam.
Is it the same stone as the travertine wall panel?
Same face, same colour card. The only difference is the profile.
Why 60 mm centres?
It is the largest module that still reads as fluting on a 300 to 400 mm post. Wider and it looks like a moulding.
Sample of Travertine Post-C
A4 offcut, posted from Ningbo, free. Ask for the colour card too — it covers all thirty-seven surfaces in the series.
Same series
