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Answers / Methods

Can Coffee Wood Marble be cut into a staircase with a mitred edge?

A mitred nosing is a fabrication decision and it is the one place where the stone decides: a mitre is two pieces of the same board meeting at an angle, and on a straight figure it has to be cut so that the lines continue around the corner rather than meeting in a chevron.
Hands holding a small cut stone sample against the polished face of a marble slab, with a second slab visible behind
A cut-to-size sample laid on the slab it was cut from, which is how a figure is matched.
Hands holding a rectangular cut stone sample with a finished edge against the face of a large polished marble slab
The edge of a cut piece.

Reference photographs. They show the material and the finish; they are not photographs of goods we made, and the colour on screen is not a colour-match.

The figures, and where each one comes from

The detail What it needs
The mitre Cut so the figure continues around the nose, not a chevron
The tread Full thickness, 30 mm where the edge is seen
The support Level, and it carries the load
The finish Honed on a stair, because a polished tread is the wrong surface

Why it behaves the way it does

A mitre is the only place in a stone job where two pieces of the same board have to agree across a line. On a dramatic figure the chevron is obvious; on a straight figure it is a mismatch in line direction, which is quieter and which people notice and cannot name.

What these figures are, and what they are not

We supply the treads and risers cut to size. The structure, the support and the fixing are the fabricator's and the builder's.

Measured data sheets and test reports

If you are specifying this

We have not published products against this question yet. Send us the process, thickness and quantity and we will quote it against what we can actually form, rather than against a catalogue.

Send a specification Ask for a sample

A mitred nosing is a fabrication decision and it is the one place where the stone decides: a mitre is two pieces of the same board meeting at an angle, and on a straight figure it has to be cut so that the lines continue around the corner rather than meeting in a chevron.

The figures

The detail What it needs
The mitre Cut so the figure continues around the nose, not a chevron
The tread Full thickness, 30 mm where the edge is seen
The support Level, and it carries the load
The finish Honed on a stair, because a polished tread is the wrong surface

Why

A mitre is the only place in a stone job where two pieces of the same board have to agree across a line. On a dramatic figure the chevron is obvious; on a straight figure it is a mismatch in line direction, which is quieter and which people notice and cannot name.

What these figures are, and what they are not

We supply the treads and risers cut to size. The structure, the support and the fixing are the fabricator’s and the builder’s.

Where this applies on this site