Plasterers

4.3%

ADI · 402nd of 433 · 95% interval 0.0–10.9

An AI agent can at least partly carry out 4.3% of the task time of plasterers, and finish 0.0% alone. Most of the rest requires physical presence.

ADI · partial or full4.3%

402nd of 433 · interval 0.0–10.9

ADI3 · full delegation0.0%

201st of 433 · interval 0.0–0.0

ADIs · share of time7.8%

417th of 433 · interval 4.5–12.2

Evidence57

task statements rated by two models and weighted by importance and frequency. World employment: 3.2 million.

Task weight by level

How the tasks rate

90%

L0No meaningful role · 90.3%L1Augmentation · 5.5%L2Partial delegation · 4.3%L3Full delegation · 0.0%

Barriers

What stops the agent

Physical presence

95%

Accountability

Trust and care

Access to systems

19%

Share of task weight flagged by each barrier; a task can carry several.

57 task statements, heaviest first

Task statement (O*NET occupation)			Sonnet · Haiku			Barriers
Clean job sites.Plasterers and Stucco Masons	2.9%	L0	L0L0	2%	45 min	Physical presence, Access to systems
Mix mortar and plaster to desired consistency or direct workers who perform mixing.Plasterers and Stucco Masons	2.8%	L0	L0L0	5%	22 min	Physical presence
Apply coats of plaster or stucco to walls, ceilings, or partitions of buildings, using trowels, brushes, or spray guns.Plasterers and Stucco Masons	2.8%	L0	L0L0	2%	3.0 h	Physical presence, Access to systems
Spread sealing compound between boards or panels or over cracks, holes, nail heads, or screw heads, using trowels, broadknives, or spatulas.Tapers	2.7%	L0	L0L0	2%	1.3 h	Physical presence
Cover surfaces such as windows, doors, or sidewalks to protect from splashing.Plasterers and Stucco Masons	2.6%	L0	L0L0	4%	30 min	Physical presence
Cure freshly plastered surfaces.Plasterers and Stucco Masons · supplemental task	2.5%	L0	L0L0	4%	25 min	Physical presence, Access to systems
Determine materials needed to complete the job and place orders accordingly.Plasterers and Stucco Masons	2.4%	L2	L2L2	65%	52 min	Access to systems
Press paper tape over joints to embed tape into sealing compound and to seal joints.Tapers	2.4%	L0	L0L0	2%	22 min	Physical presence
Apply additional coats to fill in holes and make surfaces smooth.Tapers	2.4%	L0	L0L0	2%	1.1 h	Physical presence
Spread and smooth cementing material over tape, using trowels or floating machines to blend joints with wall surfaces.Tapers	2.4%	L0	L0L0	2%	1.4 h	Physical presence, Access to systems
Seal joints between plasterboard or other wallboard to prepare wall surfaces for painting or papering.Tapers	2.4%	L0	L0L1	4%	2.2 h	Physical presence
Create decorative textures in finish coat, using brushes or trowels, sand, pebbles, or stones.Plasterers and Stucco Masons	2.4%	L0	L0L1	4%	1.9 h	Physical presence
Mix sealing compounds by hand or with portable electric mixers.Tapers	2.3%	L0	L0L0	2%	12 min	Physical presence
Clean and prepare surfaces for applications of plaster, cement, stucco, or similar materials, such as by drywall taping.Plasterers and Stucco Masons	2.3%	L0	L0L0	4%	1.5 h	Physical presence, Access to systems
Remove extra compound after surfaces have been covered sufficiently.Tapers	2.2%	L0	L0L0	2%	20 min	Physical presence

Show the other 42 tasks

Task statement (O*NET occupation)			Sonnet · Haiku			Barriers
Sand or patch nicks or cracks in plasterboard or wallboard.Tapers	2.1%	L0	L0L0	4%	20 min	Physical presence
Apply weatherproof, decorative coverings to exterior surfaces of buildings, such as by troweling or spraying on coats of stucco.Plasterers and Stucco Masons	2.1%	L0	L0L0	4%	5.5 h	Physical presence, Accountability
Select the correct sealing compound or tape.Tapers	2.1%	L1	L1L2	42%	10 min	Physical presence, Access to systems
Work on high ceilings, using scaffolding or other tools, such as stilts.Tapers	2.0%	L0	L0L0	2%	2.0 h	Physical presence
Countersink nails or screws below surfaces of walls before applying sealing compounds, using hammers or screwdrivers.Tapers	2.0%	L0	L0L0	2%	40 min	Physical presence, Access to systems
Measure and mark surfaces to lay out work, according to blueprints or drawings, using tape measures, straightedges or squares, and marking devices.Drywall and Ceiling Tile Installers	1.9%	L1	L1L1	12%	52 min	Physical presence
Set up scaffolds.Plasterers and Stucco Masons	1.9%	L0	L0L0	4%	1.5 h	Physical presence, Accountability
Apply insulation to building exteriors by installing prefabricated insulation systems over existing walls or by covering the outer wall with insulation board, reinforcing mesh, and a base coat.Plasterers and Stucco Masons	1.9%	L0	L0L1	6%	6.0 h	Physical presence, Accountability
Rough the undercoat surface with a scratcher so the finish coat will adhere.Plasterers and Stucco Masons	1.9%	L0	L0L0	0%	45 min	Physical presence
Read blueprints or other specifications to determine methods of installation, work procedures, or material or tool requirements.Drywall and Ceiling Tile Installers	1.9%	L2	L2L2	62%	38 min	Access to systems
Fit and fasten wallboard or drywall into position on wood or metal frameworks, using glue, nails, or screws.Drywall and Ceiling Tile Installers	1.9%	L0	L0L1	6%	38 min	Physical presence
Install guide wires on exterior surfaces of buildings to indicate thickness of plaster or stucco and nail wire mesh, lath, or similar materials to the outside surface to hold stucco in place.Plasterers and Stucco Masons · supplemental task	1.8%	L0	L0L0	4%	4.8 h	Physical presence
Sand rough spots of dried cement between applications of compounds.Tapers	1.7%	L0	L0L0	2%	32 min	Physical presence
Install metal molding at wall corners to secure wallboard.Tapers	1.7%	L0	L0L0	4%	26 min	Physical presence, Access to systems
Measure and cut openings in panels or tiles for electrical outlets, windows, vents, plumbing, or other fixtures, using keyhole saws or other cutting tools.Drywall and Ceiling Tile Installers	1.7%	L0	L0L1	6%	11 min	Physical presence
Use mechanical applicators that spread compounds and embed tape in one operation.Tapers	1.7%	L0	L0L0	2%	1.2 h	Physical presence, Access to systems
Spray acoustic materials or texture finish over walls or ceilings.Plasterers and Stucco Masons · supplemental task	1.6%	L0	L0L0	2%	2.3 h	Physical presence
Check adhesives to ensure that they will work and will remain durable.Tapers	1.6%	L0	L0L2	20%	20 min	Physical presence, Access to systems
Assemble or install metal framing or decorative trim for windows, doorways, or vents.Drywall and Ceiling Tile Installers	1.6%	L0	L0L1	6%	52 min	Physical presence, Access to systems
Trim rough edges from wallboard to maintain even joints, using knives.Drywall and Ceiling Tile Installers	1.6%	L0	L0L0	2%	18 min	Physical presence
Cut metal or wood framing and trim to size, using cutting tools.Drywall and Ceiling Tile Installers	1.6%	L0	L0L0	4%	15 min	Physical presence
Apply texturizing compounds or primers to walls or ceilings before final finishing, using trowels, brushes, rollers, or spray guns.Tapers	1.6%	L0	L0L1	6%	1.8 h	Physical presence, Access to systems
Inspect furrings, mechanical mountings, or masonry surfaces for plumbness and level, using spirit or water levels.Drywall and Ceiling Tile Installers	1.4%	L0	L0L0	4%	18 min	Physical presence, Access to systems
Hang drywall panels on metal frameworks of walls and ceilings in offices, schools, or other large buildings, using lifts or hoists to adjust panel heights, when necessary.Drywall and Ceiling Tile Installers	1.4%	L0	L0L0	4%	2.5 h	Physical presence, Access to systems
Coordinate work with drywall finishers who cover the seams between drywall panels.Drywall and Ceiling Tile Installers	1.4%	L1	L1L2	32%	30 min	Physical presence, Trust and care, Access to systems
Cut and screw together metal channels to make floor or ceiling frames, according to plans for the location of rooms or hallways.Drywall and Ceiling Tile Installers	1.4%	L0	L0L1	6%	2.5 h	Physical presence
Install horizontal and vertical metal or wooden studs to frames so that wallboard can be attached to interior walls.Drywall and Ceiling Tile Installers	1.4%	L0	L0L0	4%	3.0 h	Physical presence
Mold or install ornamental plaster pieces, panels, or trim.Plasterers and Stucco Masons · supplemental task	1.4%	L0	L0L1	9%	3.0 h	Physical presence
Cut fixture or border tiles to size, using keyhole saws, and insert them into surrounding frameworks.Drywall and Ceiling Tile Installers	1.4%	L0	L0L0	3%	12 min	Physical presence
Hang dry lines to wall moldings to guide positioning of main runners.Drywall and Ceiling Tile Installers	1.3%	L0	L0L0	2%	32 min	Physical presence
Scribe and cut edges of tile to fit walls where wall molding is not specified.Drywall and Ceiling Tile Installers	1.2%	L0	L0L0	4%	12 min	Physical presence
Fasten metal or rockboard lath to the structural framework of walls, ceilings, or partitions of buildings, using nails, screws, staples, or wire-ties.Drywall and Ceiling Tile Installers	1.2%	L0	L0L0	2%	2.5 h	Physical presence
Seal joints between ceiling tiles and walls.Drywall and Ceiling Tile Installers	1.1%	L0	L0L0	2%	40 min	Physical presence, Access to systems
Suspend angle iron grids or channel irons from ceilings, using wire.Drywall and Ceiling Tile Installers	1.0%	L0	L0L0	4%	1.1 h	Physical presence
Install blanket insulation between studs and tack plastic moisture barriers over insulation.Drywall and Ceiling Tile Installers	1.0%	L0	L0L0	4%	1.5 h	Physical presence
Remove existing plaster, drywall, or paneling, using crowbars and hammers.Drywall and Ceiling Tile Installers	1.0%	L0	L0L0	2%	1.4 h	Physical presence
Nail channels or wood furring strips to surfaces to provide mounting for tile.Drywall and Ceiling Tile Installers · supplemental task	0.9%	L0	L0L0	2%	1.4 h	Physical presence
Mount tile, using adhesives, or by nailing, screwing, stapling, or wire-tying lath directly to structural frameworks.Drywall and Ceiling Tile Installers	0.9%	L0	L0L0	4%	2.5 h	Physical presence
Apply or mount acoustical tile or blocks, strips, or sheets of shock-absorbing materials to ceilings or walls of buildings to reduce reflection of sound or to decorate rooms.Drywall and Ceiling Tile Installers	0.8%	L0	L0L1	6%	3.0 h	Physical presence
Wash concrete surfaces before mounting tile to increase adhesive qualities of surfaces, using washing soda and zinc sulfate solution.Drywall and Ceiling Tile Installers · supplemental task	0.8%	L0	L0L0	4%	45 min	Physical presence, Access to systems
Install metal lath where plaster applications will be exposed to weather or water, or for curved or irregular surfaces.Drywall and Ceiling Tile Installers · supplemental task	0.8%	L0	L0L1	8%	3.5 h	Physical presence, Accountability
Apply cement to backs of tiles and press tiles into place, aligning them with layout marks or joints of previously laid tile.Drywall and Ceiling Tile Installers · supplemental task	0.7%	L0	L0L0	2%	31 min	Physical presence

Level: consensus of the two models (the lower level when they disagree). Share: part of the task’s working time an agent could take over. Human time: minutes a competent person needs for one instance, as estimated by the models.

Against other measures

Exposure is not delegation

Measure	Value	Pct
ADI (this index)	4.3%	7
Eloundou et al. (2024), GPT exposure β	0.043	7
Felten et al. (2021), AI occupational exposure	-1.648	2
Webb (2020), AI patent exposure	31	23
Eisfeldt et al. (2026), generative AI exposure	0.013	12
Anthropic Economic Index, observed use	0	16

Earlier indices measure whether AI can touch a task; ADI measures how much of it an agent can carry out from a goal. – : the source does not cover this occupation.

Same sub-major group (71)

Neighbouring occupations

Occupation	ADI	%
House builders 7111		77.9
Air conditioning and refrigeration mechanics 7127		25.4
Carpenters and joiners 7115		21.9
Insulation workers 7124		20.6
Building frame and related trades workers not elsewhere classified 7119		16.1
Glaziers 7125		12.4
Plumbers and pipe fitters 7126		11.5
Painters and related workers 7131		11.4
Building structure cleaners 7133		7.5
Floor layers and tile setters 7122		6.4
Bricklayers and related workers 7112		5.2
Roofers 7121		5.1

Dashed line: plasterers (4.3%).

Cite this record

Text

Espinal Maya, Cristian, and Santiago Jiménez Londoño. 2026. ADI v2026.1: Agent Delegability Index data, code and MCP server. Zenodo. https://doi.org/10.5281/zenodo.23552918. Record: Plasterers (ISCO-08 7123), https://balamlabs.org/adi/occupations/7123

BibTeX

@misc{espinal2026adidata,
  title     = {{ADI} v2026.1: Agent Delegability Index data, code and {MCP} server},
  author    = {Espinal Maya, Cristian and Jim{\'e}nez Londo{\~n}o, Santiago},
  year      = {2026},
  publisher = {Zenodo},
  version   = {v2026.1},
  doi       = {10.5281/zenodo.23552918},
  url       = {https://doi.org/10.5281/zenodo.23552918},
  note      = {Record: Plasterers (ISCO-08 7123)}
}

Machine-readable

The same record as static JSON, with its citation: /adi/v2026.1/isco/7123.json.

Compare with another occupation How it is measured