By Greg Allan, tradesman and creator of Data First Coaching
Why isn’t swapping engineered stone for natural stone just a materials change?
Swapping engineered stone for natural stone, sandstone, cladding, paving or restoration work changes far more than the slab on the cutting bed. The labour hours, wastage, templating and install time on a natural stone benchtop or a sandstone cladding job are different to engineered slab fabrication, so the workload a stonemasonry business is pricing has genuinely changed, not just the supplier invoice.
Many workshops treat the move as a supplier switch: different stone, different handling around dust and silica, same quote. But natural stone often needs more careful templating, more time on the CNC, more hand finishing in polishing and sealing, and wastage on sandstone and natural stone can run differently to the consistent engineered slab sizes a workshop is used to cutting.
Cladding, paving, restoration and memorial work also carry their own install patterns and onsite handling that a benchtop-focused price book was never built around. Most stonemasons find the move happens for compliance reasons first, not price reasons, which is exactly why the price gets missed.
Why does the old markup fall apart once the job mix changes?
The old markup breaks down because a percentage added to a different cost base returns a different margin once labour, wastage and cutting time change. A stonemasonry business that carries its engineered benchtop markup across onto natural stone, cladding or restoration work can quote what looks like a healthy margin and still land short, because the hours and material loss behind that number were never the same.
Markup is what gets added to cost at quoting. Margin is what is actually left once the job is cut, polished, installed and invoiced. On engineered slab work the two numbers tend to sit close together because the process is consistent. On natural stone, sandstone restoration or cladding, where wastage and labour hours move around more, the gap between the markup quoted and the margin landed can open without anyone noticing until the figures are checked.
What number actually tells a stonemason whether the shift is working?
The number that tells you the truth is the gross profit margin on each line of work, not the business average and not last year’s benchtop figure. Natural stone, cladding, paving, restoration and memorial jobs each need their own margin checked, because a healthy average across the whole workshop can hide one line quietly losing money while another carries it.
Greg teaches pricing each line honestly and separately, rather than one blended price built around whatever the business used to do most of. As more of your work moves into natural stone and restoration, the old benchtop markup stops being a safe shortcut for the whole price book. Checking this data first, before deciding how far to pull back from engineered stone, shows which lines are actually worth growing and which ones still need their price moved.
How do AI agents help price natural stone, cladding and restoration honestly?
AI agents are pieces of software that do a job the way you would do it, with your prices, your wording and your rules. For a stonemason shifting the mix away from engineered stone, an agent can hold your current line pricing for natural stone, cladding, paving and restoration, so every quote starts from what the job actually costs you, not a memory of what engineered benchtop work used to return.
Templating, material selection, cutting, polishing, sealing and install time vary by stone and job type, and a stonemason quoting by feel after a long week in the workshop can revert to old habits, especially with a regular kitchen company or builder pushing for a fast number. An agent built on your own job and pricing data applies the same honest line price every time, for every customer type, whether it is a builder ordering benchtops or a homeowner wanting sandstone restoration work.
What does honest line pricing look like once engineered stone work drops away?
Honest line pricing means every type of job, whether it is an engineered benchtop still on the books, a natural stone install, sandstone cladding or a restoration quote, carries its own fixed price built from what it actually costs to cut, polish and install, applied the same way to every customer.
Picture a stonemason whose pricing had been set job by job, with rates that varied between a long standing builder and a one-off homeowner, and where, across the board, the rates were not where they needed to be. The business moved to fixed pricing across every type of customer, including builders, with a significant rate increase, and now reviews what it actually costs to run the business every quarter rather than once a year by memory.
As that stonemason shifts more of the workload away from engineered benchtops into natural stone, cladding and restoration, each of those lines is priced the same fixed, honest way, rather than inheriting whatever the engineered stone markup used to be.
How does Data First Coaching approach this?
Data First Coaching starts from the owner’s own job and pricing data, read through the Trade Business Intelligence, rather than from a conversation about what the stonemasonry business used to charge. For a workshop pulling back from engineered stone, that means looking first at the gross profit margin landing on natural stone, cladding, paving, restoration and memorial lines, not at the materials decision itself, because the materials move is rarely where the real problem starts. Greg Allan puts it simply: “Each item on the menu is pre-priced by the restaurant manager to ensure that every meal is served, it makes profit.” The how, including the way this gets built into a stonemason’s own pricing and quoting, is worked through inside the Academy, with members, because the Trade Business Intelligence is powered by every member and the Academy is built for owners who are open minded, innovative and willing to share what they learn.

