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Terrazzo Workers and Finishers

SOC 47-2053.00Job Zone 2 · Some Preparationv.26.05

Context coveredThis framework covers the full craft lifecycle of terrazzo installation and finishing — from entry-level mixing and material handling through autonomous floor design, surface refinement, and crew leadership — in residential, commercial, and institutional construction environments.

Sources:O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.SkillsCrosswalkSkillsCrosswalk — O*NET enrichment + adjacency index. Opens in new tab.
Emerging
Entry / Apprentice
  1. Terrazzo ingredients and measuring containers — identify and handle under direct supervision when preparing standard mixes on a residential or commercial job site.
  2. Portable mixer loading procedures — follow step-by-step using graduated containers and scales to achieve specified mix ratios under a journeyman's guidance.
  3. Metal division strips — cut to designated lengths and press into a prepared terrazzo base under direct instruction to form basic joints or color transitions.
  4. Marble chip mixtures — blend and place into panels following a standard formula, then pass a hand roller over the surface to begin embedding chips under supervision.
  5. Power grinder and polishing machine — operate under close oversight to grind or surface flat terrazzo panels on a controlled interior job site.
  6. Concrete and terrazzo mixtures — spread and roughly level using rakes and shovels on a prepared substrate while following verbal directions from a lead worker.
  7. Hand trowels and floats — use to smooth freshly placed terrazzo surfaces on straightforward flat sections under a trainer's observation.
  8. Terrazzo sealer and curing agent — apply by brush or sprayer to a polished surface following manufacturer's written specifications under direct supervision.
  9. Basic job-site safety rules and personal protective equipment — demonstrate correct use when working around power grinders and chemical sealers on an active construction floor.
  10. Simple design patterns using division strips — recognize and replicate from provided drawings during entry-level layout tasks on a supervised interior floor installation.
Developing
Mid-level / Established
  1. Standard terrazzo mix formulas — measure and batch with reduced oversight, adjusting ingredient quantities using scales and graduated containers for routine residential and light-commercial installations.
  2. Power grinder and surfacing machine — operate independently to grind and polish flat terrazzo surfaces, maintaining consistent speed and pressure to meet specified finish tolerances.
  3. Metal division strips — cut, fit, and press into terrazzo bases with limited supervision to create accurate joints, color boundaries, and crack-prevention lines on mid-complexity floor designs.
  4. Marble chip panels — blend chip mixtures to specification, place evenly into framed panels, and embed thoroughly with a roller to achieve uniform surface texture on standard commercial projects.
  5. Mixing and grouting procedures — modify routine sequences based on material type or substrate condition, such as switching from wet-mix to dry-mix methods on varied interior surfaces.
  6. Hand and power trowels and screeds — use to spread, level, and finish terrazzo bases to grade across straightforward floor sections with minimal direction from a lead worker.
  7. Portable hand grinder — apply to curved surfaces and confined areas such as stair treads and cabinet edges to achieve consistent finish where machine access is restricted.
  8. Post-polish cleaning sequence — wash terrazzo surfaces with appropriate cleaner, then apply sealer and curing agent per manufacturer's specifications, working independently on standard interior floors.
  9. Quality control checks — inspect finished terrazzo surfaces for voids, surface defects, and pattern alignment, recording observations and flagging non-conformances to a supervisor.
  10. Coordination with other trades on the job site — schedule grinding and finishing tasks around concrete curing timelines and adjacent construction activities to maintain project progress.
Proficient
Senior / Expert IC
  1. Terrazzo mix formulas and ingredient ratios — calculate, modify, and batch independently for a full range of installation types, including Venetian, rustic, and epoxy systems, on complex commercial projects.
  2. Grinding and polishing sequences — plan and execute multi-stage surface refinement programs using power surfacing machines and hand grinders to meet specified grit and gloss levels across large floor areas.
  3. Division strip layout and installation — design and set intricate geometric or custom-logo patterns in terrazzo bases without oversight, ensuring structural joint requirements are satisfied throughout the installation.
  4. Marble chip blending and embedding — select chip grades and color combinations, place and roll panels to achieve specified visual and textural outcomes for non-standard or architecturally demanding designs.
  5. Procedural modifications for specialized substrates — assess installation conditions such as radiant-heat slabs, historic restorations, or elevated moisture environments and independently adapt mixing, grinding, and sealing processes.
  6. Full surface finishing from base coat to final seal — execute spreading, leveling, grinding, polishing, washing, and sealing operations as a continuous workflow on large-scale interior commercial and institutional floors.
  7. Portable grinder techniques on complex geometry — perform finish grinding on stairways, columns, curved thresholds, and countertops to production quality standards without assistance.
  8. Sealer and curing-agent selection — evaluate substrate porosity and traffic-use requirements to choose appropriate products and apply them correctly, ensuring long-term durability on high-use commercial surfaces.
  9. Troubleshooting surface defects — diagnose and remediate pitting, delamination, color inconsistency, or cracking in existing or newly placed terrazzo and implement corrective actions to restore specified quality.
  10. Project mathematics and material estimation — calculate surface areas, compute ingredient quantities, and prepare accurate material take-offs for full terrazzo scopes on multi-room commercial installations.
Advanced
Lead / Principal / Executive
  1. Crew training and skills development — design and deliver hands-on instruction for emerging and developing terrazzo workers, covering mix proportioning, grinding sequences, and safety practices across active commercial job sites.
  2. Project planning and scheduling — establish installation sequences, material procurement timelines, and equipment logistics for large-scale terrazzo contracts involving multiple crews and subcontractor interfaces.
  3. Quality assurance program oversight — develop and enforce inspection standards for mix consistency, surface finish tolerances, and sealer application, ensuring compliance with architectural specifications and contract requirements on major projects.
  4. Custom design interpretation and execution — collaborate with architects and designers to translate complex artistic floor patterns, logos, and mosaics into buildable terrazzo specifications and lead their installation on high-profile facilities.
  5. Procedure standardization and process improvement — author written installation procedures and best-practice guides that reduce rework, improve finish quality, and increase crew productivity across the organization.
  6. Estimating and cost control — prepare detailed bid documents, control material waste, and monitor labor productivity against budgets for multi-phase terrazzo contracts valued at significant commercial scale.
  7. Safety and regulatory compliance leadership — maintain current knowledge of OSHA construction standards and silica-dust regulations, implement site-specific safety plans, and conduct toolbox talks for all terrazzo crews.
  8. Equipment maintenance program management — establish preventive maintenance schedules for power grinders, polishing machines, and mixers, and mentor workers in equipment inspection and minor repair to minimize downtime.
  9. Client and stakeholder communication — present project status, address quality concerns, and negotiate scope adjustments with general contractors, building owners, and facility managers throughout the life of complex commercial installations.
  10. Mentorship and career pathway development — identify high-potential workers, structure apprenticeship progressions, and coordinate with trade associations or vocational programs to build a sustainable pipeline of skilled terrazzo craftspeople.

AI-at-Work Competency Framework

Sources:Anthropic Economic IndexAnthropic Economic Index — release_2026_03_24. Opens in new tab.Jadhav & Danve, 2026Skill Automation Feasibility Index — Jadhav & Danve, 2026 (arXiv:2604.06906). Opens in new tab.WEF Skills TaxonomyWEF Skills Taxonomy 2021 — Building a Common Language for Skills at Work. Opens in new tab.

The Anthropic Economic Index (2026-03-24 release) doesn't show enough AI-assisted task observations for this occupation to anchor an AI-at-Work Competency Framework yet. Most physical and on-site occupations land here today; that signal may rise as more workers in this field adopt AI tools.

Pathsmith Durable Skills Framework

Sources:Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
Subscriber feature

Ten durable-skill domains mapped to four proficiency/role levels for each occupation. Each statement is aligned to the Pathsmith taxonomy, derived from trusted grounding data and mapped to occupation-specific O*NET tasks and skills.

1Communication8 statements
Emerging
  1. Mix ratio requests — asks supervisors or lead workers for clarification on terrazzo formulas and ingredient proportions before beginning a pour Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  2. Job site vocabulary — uses basic construction and terrazzo trade terminology when receiving verbal instructions from foremen O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
Developing
  1. Design intent relay — communicates color pattern and division strip layout plans to co-workers using job drawings and verbal description Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Client update communication — reports progress of terrazzo installation phases to general contractors or site supervisors in clear, non-technical terms Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
Applying
  1. Specification reading and reporting — interprets written mix formulas and manufacturer specifications and conveys required procedural adjustments to the crew O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Defect documentation — describes surface imperfections, grind inconsistencies, or cracking patterns in written punch-list notes legible to inspectors and project managers Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
Exceeding
  1. Pre-installation briefing — leads pre-job meetings to walk crews through complex mosaic designs, color transition sequences, and curing timelines using drawings and physical samples Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Customer finish consultation — engages clients directly to translate aesthetic preferences into achievable terrazzo specifications, documenting agreed outcomes in written scope summaries Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
2Leadership8 statements
Emerging
  1. Task ownership — takes responsibility for correctly loading and measuring ingredients into the portable mixer without requiring repeated supervision Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Safety modeling — follows site safety protocols for grinder operation and chemical handling, setting a consistent example for newer helpers Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
Developing
  1. Crew coordination — directs a helper on sequencing of chip embedding, rolling, and grinding tasks to maintain workflow continuity on a panel installation Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Problem escalation — identifies when a surface defect or mix inconsistency exceeds personal authority to resolve and promptly escalates to the lead finisher Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
Applying
  1. Work sequencing leadership — organizes daily task assignments across a small terrazzo crew, sequencing base pours, strip cutting, grinding, and sealing to meet project milestones Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Quality gate ownership — holds the team accountable to surface flatness and color match tolerances before advancing to the polishing phase Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
Exceeding
  1. Apprentice development — mentors apprentice terrazzo workers through progressively complex installations, providing structured feedback on mixing ratios, grinding technique, and pattern layout Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  2. Project leadership on complex installs — leads multi-crew terrazzo projects involving custom mosaic designs, coordinating schedules, material procurement, and client expectations from substrate preparation through final seal Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
3Metacognition8 statements
Emerging
  1. Technique self-check — pauses after initial trowel passes to assess whether spread thickness matches specified depth before continuing Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  2. Knowledge gap recognition — identifies personal unfamiliarity with a specific marble chip blend or grout type and seeks guidance before proceeding Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
Developing
  1. Procedure reflection — reviews completed grinding runs to evaluate whether hand-grinder pressure and speed produced consistent surface texture on curved stairway edges Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Learning transfer — applies lessons from a previous cracked terrazzo panel to adjust division strip placement strategy on the current job Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
Applying
  1. Adaptive mix calibration — monitors personal accuracy across multiple batches and adjusts graduated container readings when systematic over- or under-mixing is detected Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Installation method evaluation — consciously selects between hand trowel, power trowel, and screed based on self-assessment of substrate condition and finish requirement Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
Exceeding
  1. Craft mastery mapping — builds and maintains a personal mental model of which grinding sequences, sealers, and chip sizes yield optimal results across marble, glass, and epoxy terrazzo systems Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Teaching through self-analysis — articulates personal decision-making process when modifying grouting or cleaning procedures, enabling apprentices to internalize adaptive reasoning rather than rote steps Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
4Critical Thinking8 statements
Emerging
  1. Formula verification — cross-checks measured ingredient quantities against the written specification before committing the batch to the mixer Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Surface assessment — evaluates substrate flatness and moisture condition before spreading the terrazzo base to identify potential adhesion problems O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
Developing
  1. Crack cause analysis — examines crack patterns in a cured terrazzo floor to distinguish between improper mix ratios, missing control joints, and substrate movement as the likely cause Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Material substitution reasoning — evaluates whether an alternative marble chip size or color blend meets design specifications when a specified material is unavailable Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
Applying
  1. Procedure modification judgment — analyzes installation conditions such as high humidity, low temperature, or porous substrate and selects adjusted mixing, curing, or sealing procedures accordingly O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Quality deviation diagnosis — identifies the root cause of surface cloudiness after polishing by systematically ruling out grinder grit sequence errors, sealer application faults, and residual grout contamination Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
Exceeding
  1. Design feasibility analysis — critically evaluates proposed terrazzo pattern layouts for structural risk, color bleed potential, and maintenance implications before fabrication begins Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Systemic quality review — analyzes recurring defects across multiple projects to identify upstream causes in mix formulation, tool calibration, or crew technique and recommends corrective standards Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
5Collaboration8 statements
Emerging
  1. Tool sharing coordination — coordinates access to the portable mixer and power grinder with co-workers to avoid workflow bottlenecks on shared job sites Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  2. Helper responsiveness — follows directional cues from lead terrazzo workers during roller embedding and screed leveling tasks without disrupting established pace Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
Developing
  1. Cross-trade coordination — coordinates with concrete subcontractors and tile setters to ensure substrate preparation meets terrazzo base requirements before installation begins O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Pattern alignment teamwork — works with a partner to align and press division strips accurately across large floor areas, adjusting collaboratively when layout deviates from the design drawing Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
Applying
  1. Crew synchronization — coordinates simultaneous mixing, spreading, and rolling activities across a multi-person terrazzo crew to maintain consistent wet-edge timing and prevent cold joints Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Inspector collaboration — works cooperatively with quality inspectors during surface tolerance checks, providing access and documentation needed for compliance verification Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
Exceeding
  1. Design team integration — collaborates with architects and interior designers during pre-construction meetings to reconcile artistic terrazzo vision with installation feasibility and material constraints Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Multi-crew project coordination — bridges communication and sequencing between multiple terrazzo crews working in adjacent building zones to prevent rework and protect finished surfaces Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
6Character8 statements
Emerging
  1. Material accountability — accurately reports actual ingredient quantities used versus specified amounts rather than estimating, ensuring batch records reflect true formulation Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Site cleanliness ownership — cleans tools, mixers, and work areas after each phase without being directed, maintaining professional standards on the job site Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
Developing
  1. Honest defect reporting — identifies and discloses surface grinding errors or color mismatches to the supervisor before finishing coats conceal the defect Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  2. Specification adherence — follows manufacturer sealer and curing agent application instructions precisely, resisting shortcuts that could compromise long-term surface integrity Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
Applying
  1. Client property respect — protects adjacent flooring, walls, and fixtures from grinding dust and chemical overspray during terrazzo installation and polishing operations Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  2. Consistent professionalism — maintains reliable attendance, punctual material preparation, and respectful communication across all phases of a multi-week terrazzo installation project Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
Exceeding
  1. Ethical standards advocacy — confronts situations where a contractor or client pressures the team to skip required control joints or curing periods, articulating the long-term consequences and upholding quality standards Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  2. Trade reputation stewardship — mentors newer workers on the ethical obligations of the terrazzo trade, including accurate billing, honest assessment of surface conditions, and warranty transparency Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
7Creativity8 statements
Emerging
  1. Pattern variation awareness — recognizes how different division strip configurations can alter the visual rhythm of a terrazzo floor and experiments with layout options on small practice areas Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Color blend exploration — mixes small test batches combining non-standard marble chip colors to evaluate visual outcomes before committing to a full installation Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
Developing
  1. Custom design adaptation — modifies a standard geometric division strip pattern to accommodate an irregular room shape while preserving the intended visual balance Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Surface texture experimentation — tests varying power grinder grit sequences on sample panels to achieve a non-standard matte or high-gloss finish requested by the client Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
Applying
  1. Mosaic layout origination — translates a client's abstract design concept into a scaled division strip and chip placement plan, including color gradient transitions and border treatments Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Problem-solving improvisation — devises a modified grinding approach using the portable hand grinder when a curved cabinet-top installation cannot be reached by the surfacing machine Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
Exceeding
  1. Signature installation design — originates complex terrazzo compositions combining multiple aggregate types, epoxy color fields, and inlaid metal accents that advance the aesthetic capabilities of the trade Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Novel material integration — pioneers the use of non-traditional aggregate materials such as recycled glass or shell within standard terrazzo mix systems, documenting performance outcomes for broader trade application Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
8Growth Mindset8 statements
Emerging
  1. Feedback receptiveness — accepts correction on trowel technique or screed leveling without defensiveness and immediately applies the adjustment on the next section Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  2. Mistake recovery — treats an off-ratio batch as a learning opportunity, noting the measurement error and correcting the process before the next mix cycle Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
Developing
  1. Skill stretch pursuit — volunteers to assist with unfamiliar terrazzo systems such as epoxy or polyacrylate-modified installations to expand personal technical range Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  2. Persistent problem-solving — continues troubleshooting a persistent surface haze through multiple grinder grit sequences rather than accepting a substandard finish Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
Applying
  1. Continuous technique refinement — actively seeks feedback from inspectors and lead finishers after each major project phase and incorporates observations into subsequent grinding and sealing routines Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  2. New specification adoption — studies updated manufacturer specifications for a new sealer or curing agent and integrates the changes into standard application practice without resistance Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
Exceeding
  1. Trade knowledge expansion — pursues advanced training in specialized terrazzo systems, historic restoration techniques, or LEED-compliant material standards beyond job requirements Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  2. Culture of improvement modeling — establishes a team norm of post-project debrief reviews where surface quality outcomes are analyzed and process improvements are documented for future jobs Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
9Mindfulness8 statements
Emerging
  1. Measurement attention — maintains focused concentration when using graduated containers and scales to measure terrazzo ingredients, eliminating errors caused by distraction Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Physical awareness — monitors body posture and grip pressure during extended hand-grinder use on stairways and curved surfaces to prevent fatigue-related technique drift Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
Developing
  1. Environmental condition monitoring — maintains ongoing awareness of ambient temperature and humidity during curing phases and adjusts work pace or schedule when conditions threaten surface quality Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Noise and vibration regulation — recognizes elevated stress from prolonged power tool vibration and takes structured breaks to maintain safe and accurate grinding performance Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
Applying
  1. Chemical handling intentionality — approaches sealer and curing agent application with deliberate attention to coverage rate, overlap zones, and ventilation conditions to ensure both safety and finish quality Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
  2. Present-moment quality focus — sustains attentive observation of surface texture and chip distribution during roller embedding rather than rushing through the pass, catching irregularities before they set Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
Exceeding
  1. Team stress awareness — monitors crew energy and concentration levels during long continuous pours and intervenes with rotations or breaks before fatigue compromises surface consistency Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  2. Intentional worksite presence — models calm, deliberate decision-making under schedule pressure, demonstrating to the crew that rushing terrazzo installation produces costly rework and surface defects Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
10Fortitude8 statements
Emerging
  1. Physical perseverance — sustains productive effort during physically demanding grinding and leveling tasks in hot or confined workspaces without abandoning quality standards Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  2. Uncertainty tolerance — proceeds with material preparation tasks when full design specifications have not yet been finalized, managing ambiguity without stalling the crew Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
Developing
  1. Rework resilience — responds to a failed terrazzo section requiring full removal and re-pour by re-engaging methodically rather than becoming discouraged or rushing the replacement Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  2. Deadline pressure endurance — maintains precise mixing ratios and grinding sequences on an accelerated project timeline without cutting corners under schedule pressure Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
Applying
  1. Extended project commitment — sustains consistent quality and professional engagement across multi-week terrazzo installations involving repetitive grinding, leveling, and sealing cycles Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  2. Difficult condition persistence — continues precision hand-grinder work on inaccessible stairway risers and curved cabinet surfaces despite awkward positioning and physical strain Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab. O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
Exceeding
  1. Crisis stabilization — leads the crew through major mid-project setbacks such as substrate failure or large-scale surface delamination, maintaining morale and directing systematic remediation without panic Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
  2. Long-term craft commitment — sustains dedication to developing advanced terrazzo and finishing skills across years of physically demanding work, serving as a resilience model for newer trade workers entering the field Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.
Sources:Pathsmith Durable SkillsPathsmith Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
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Source anchors that ground each statement

Related titles
Marble Finisher · Terrazzo Worker · Terrazzo Worker/Finisher · Artificial Marble Worker · Build Master · Buildmaster · Coat Agent · Concrete Journeyman · Finisher · Granite-Chip Terrazzo Finisher · Grinder · Installer
RAPIDS apprenticeships
0041 · Marble Finisher · 0067 · Terrazzo Worker · 0140 · Terrazzo Worker/Finisher
O*NET skills
CoordinationQuality Control Analysis
Knowledge domains
Building and ConstructionDesignMathematicsEnglish LanguageAdministration and ManagementCustomer and Personal ServiceChemistryMechanicalPublic Safety and Security
Abilities
Manual DexterityMultilimb CoordinationTrunk StrengthNear VisionArm-Hand SteadinessFinger DexterityFar VisionExtent FlexibilityControl PrecisionStatic Strength
Work styles
DependabilityAttention to DetailCautiousnessPerseveranceAchievement OrientationStress Tolerance
Technology
Analytical or scientific softwareAccounting softwareProject management softwareSpreadsheet softwareOperating system software
Tasks · seed anchors for statements
  1. Measure designated amounts of ingredients for terrazzo or grout, according to standard formulas and specifications, using graduated containers and scales, and load ingredients into portable mixer.
  2. Grind surfaces with a power grinder, or polish surfaces with polishing or surfacing machines.
  3. Cut metal division strips and press them into the terrazzo base for joints or changes of color to form designs or patterns or to help prevent cracks.
  4. Blend marble chip mixtures, place into panels, and push a roller over the surface to embed the chips.
  5. Modify mixing, grouting, grinding, or cleaning procedures, according to type of installation or material used.
  6. Spread, level, or smooth concrete or terrazzo mixtures to form bases or finished surfaces, using rakes, shovels, hand or power trowels, hand or power screeds, or floats.
  7. Grind curved surfaces or areas inaccessible to surfacing machine, such as stairways or cabinet tops, with portable hand grinder.
  8. Wash polished terrazzo surface, using cleaner and water, and apply sealer and curing agent according to manufacturer's specifications, using brush or sprayer.
CIP education codes
46.0413

Sources: O*NET v30.2 (CC BY 4.0), SkillsCrosswalk.com, LER.me, Anthropic Economic Index, SAFI (Jadhav & Danve, 2026), WEF Skills Taxonomy 2021, Pathsmith Durable Skills Framework. © 2026 EBSCOed.