{ "source": "Cooked Index — occupational AI risk register", "page": "https://cookedindex.com/jobs/cement-masons-and-concrete-finishers/", "methodology": "https://cookedindex.com/methodology", "notice": "Verdicts are re-examined as evidence accumulates. Re-fetch before relying on this; the page above always carries the current score.", "scored_at": "2026-08-11", "model": "claude-opus-5", "occupation": { "title": "Cement Masons and Concrete Finishers", "soc_code": "47-2051", "category": "Construction", "us_employment": 206170, "median_annual_wage": 57020 }, "verdict": "EXPOSED", "risk_resistance": 58, "contested": false, "near_boundary": false, "dimensions": { "task_resistance": 19, "embodiment": 20, "liability_shield": 3, "trust_premium": 7, "judgment_accountability": 9 }, "reasoning": { "task_resistance": "The core sequence — placing, screeding, bull-floating, waiting for bleed water to leave, then power-troweling to a hard burnish — is timed off a slab that keeps changing under your hands, and no software output substitutes for kneeling on a board and reading whether the surface will take a blade yet; the one point off 20 is the office side (yardage takeoffs, bid sheets, joint layout drawings) that estimating software already handles.", "embodiment": "You work bent over wet mix in whatever weather the pour was scheduled for, hauling hose, running a ride-on trowel, cutting control joints with a walk-behind saw, and stripping forms on uneven ground — there is no version of this performed remotely or from a controlled bay, which is exactly what a 20 describes.", "liability_shield": "Most states license the contractor entity, not the finisher; ACI Flatwork Finisher certification and an OSHA 10 card help you get hired but nothing you hold personally carries statutory liability, and a failed slab becomes the GC's and the concrete supplier's fight over mix design and subgrade — the 3 rather than 0 reflects that certification is increasingly written into spec sheets on commercial flatwork.", "trust_premium": "Repeat business is real — a builder who has seen your F-number results on a warehouse floor or your broom finish on driveways calls your crew back — but the relationship sits with the concrete sub's owner, not the individual finisher, and on most jobs the homeowner never learns your name, which puts it at the low end of the relationship band rather than mid.", "judgment_accountability": "You decide when to start floating, whether to hit it with a fresno or wait, how much to fight a hot windy day, and when to tell the truck the load is too wet to place — real calls with expensive consequences, but slump, thickness, rebar spacing and cure method come off the spec and submittal, so the ambiguous high-stakes decisions belong to the engineer and GC above you." }, "rationale": "Screeding, floating, troweling, edging and joint-cutting concrete on a clock set by the mix's cure time is almost entirely embodied craft work — language models touch none of it, and existing power screeds and troweling robots still need a finisher reading the surface by feel. The exposure is not the trowel work but everything around it: takeoffs, yardage estimating, scheduling, and bid paperwork are already being drafted by software. No license is legally required in most states, buyers rarely pick a specific finisher, and the general contractor owns the consequential calls, so the score rests almost entirely on the body.", "outlook": "Demand tracks construction spending, not AI: the trowel work stays human through the 2030s while estimating and paperwork thin out, so the money migrates to certified decorative finishers and pour foremen.", "what_would_raise_it": { "levers": [ { "dimension": "liability_shield", "change": "State or municipal adoption of a mandatory concrete finisher / flatwork license with personal sign-off on placement records — the model exists in Louisiana's contractor licensing and in ACI's certification tiers (ACI Flatwork Finisher/Technician). If a jurisdiction moved ACI Flatwork Finisher certification from a spec requirement into a code requirement, with the certified finisher named on the pour record for slab flatness/levelness (F-F/F-L per ASTM E1155) disputes, the shield rises materially.", "plausibility": "plausible", "would_add": 5 }, { "dimension": "liability_shield", "change": "Owner and insurer specification language — already common in large industrial and data-center slab contracts — requiring a named ACI-certified finisher present for every placement as a condition of the workmanship warranty or builder's risk coverage. This is contractual rather than statutory but attaches consequence to a specific individual.", "plausibility": "already happening", "would_add": 3 }, { "dimension": "judgment_accountability", "change": "Formalizing the finisher's authority to reject a truck or stop a pour on slump, air content, or temperature grounds — some union agreements and ACI 301 acceptance procedures already vest this call at the point of placement. If the reject decision is documented under the finisher's name rather than the superintendent's, the role owns a consequential, ambiguous, unrecoverable call.", "plausibility": "plausible", "would_add": 4 }, { "dimension": "task_resistance", "change": "Genuine two-tier structure: if laser screeds, ride-on trowels, and robotic finishers absorb the open-field slab work, the residual job is edges, curbs, columns, penetrations, decorative and repair work, and remediation of failed pours — the tier that resists mechanization. Watch fleet adoption rates for Somero and Ligchine screeds on commercial flatwork.", "plausibility": "already happening", "would_add": 1 }, { "dimension": "trust_premium", "change": "Only in the decorative/architectural niche — stamped, polished, and exposed-aggregate finishes sold by named craftsman on a residential or hospitality job. This is a small fraction of the 206,170 and there is no route to a trust premium on structural or industrial flatwork, where the buyer sees a commodity slab.", "plausibility": "plausible", "would_add": 2 } ], "ceiling_note": "Embodiment and task resistance are already near maximum, so there is little headroom there; realistic upside is roughly 8-12 points concentrated in licensure and named accountability. The binding constraint is not AI capability but wage pressure, crew size reduction from screed automation, and immigration/labor supply — none of which the register measures." }, "adjudication": null, "employment_history": { "points": [ { "y": 2017, "emp": 178640, "wage": 40650 }, { "y": 2018, "emp": 186400, "wage": 43000 }, { "y": 2019, "emp": 196120, "wage": 44810 }, { "y": 2020, "emp": 195580, "wage": 46000 }, { "y": 2021, "emp": 186600, "wage": 47340 }, { "y": 2022, "emp": 196730, "wage": 48300 }, { "y": 2023, "emp": 203560, "wage": 50720 }, { "y": 2024, "emp": 205230, "wage": 54660 }, { "y": 2025, "emp": 206170, "wage": 57020 } ], "from": 2017, "to": 2025, "change_pct": 15.4, "comparable_from": 2019, "spans_soc_revision": true }, "pivots": [ { "slug": "brickmasons-and-blockmasons", "title": "Brickmasons and Blockmasons", "verdict": "SAFE", "risk_resistance": 68, "median_wage": 62120, "overlap": 78, "skills_to_close": [ "Active Learning", "Operations Analysis", "Equipment Selection", "Science" ] }, { "slug": "roofers", "title": "Roofers", "verdict": "SAFE", "risk_resistance": 70, "median_wage": 55440, "overlap": 76, "skills_to_close": [ "Active Learning", "Coordination" ] }, { "slug": "structural-iron-and-steel-workers", "title": "Structural Iron and Steel Workers", "verdict": "SAFE", "risk_resistance": 68, "median_wage": 62780, "overlap": 76, "skills_to_close": [ "Active Learning", "Operations Monitoring", "Operation and Control", "Operations Analysis" ] } ], "license": "https://cookedindex.com/terms" }