ISCO-08 7121
Roofers
5.1%
ADI · 394th of 433 · 95% interval 0.0–15.5
An AI agent can at least partly carry out 5.1% of the task time of roofers, and finish 0.0% alone. Most of the rest requires physical presence.
ADI · partial or full5.1%
394th of 433 · interval 0.0–15.5
ADI3 · full delegation0.0%
201st of 433 · interval 0.0–0.0
ADIs · share of time8.7%
414th of 433 · interval 4.1–15.7
Evidence27
task statements rated by two models and weighted by importance and frequency. World employment: 1.7 million.
Task weight by level
How the tasks rate
L0No meaningful role · 88.5%L1Augmentation · 6.4%L2Partial delegation · 5.1%L3Full delegation · 0.0%
Barriers
What stops the agent
Share of task weight flagged by each barrier; a task can carry several.
27 task statements, heaviest first
| Task statement (O*NET occupation) | Weight | Level | Sonnet · Haiku | Share | Human time | Barriers |
|---|---|---|---|---|---|---|
| Inspect problem roofs to determine the best repair procedures.Roofers | 6.4% | L1 | L1L1 | 20% | 1.5 h | Physical presence, Accountability, Access to systems |
| Estimate materials and labor required to complete roofing jobs.Roofers | 5.1% | L2 | L2L2 | 65% | 1.8 h | Physical presence, Access to systems |
| Install partially overlapping layers of material over roof insulation surfaces, using chalk lines, gauges on shingling hatchets, or lines on shingles.Roofers | 5.0% | L0 | L0L0 | 2% | 1.5 h | Physical presence, Access to systems |
| Cement or nail flashing strips of metal or shingle over joints to make them watertight.Roofers | 4.7% | L0 | L0L0 | 2% | 45 min | Physical presence |
| Cut felt, shingles, or strips of flashing to fit angles formed by walls, vents, or intersecting roof surfaces.Roofers | 4.7% | L0 | L0L1 | 6% | 12 min | Physical presence |
| Smooth rough spots to prepare surfaces for waterproofing, using hammers, chisels, or rubbing bricks.Roofers | 4.6% | L0 | L0L0 | 2% | 52 min | Physical presence |
| Cover roofs or exterior walls of structures with slate, asphalt, aluminum, wood, gravel, gypsum, or related materials, using brushes, knives, punches, hammers, or other tools.Roofers | 4.5% | L0 | L0L0 | 4% | 8.0 h | Physical presence, Accountability, Access to systems |
| Install, repair, or replace single-ply roofing systems, using waterproof sheet materials such as modified plastics, elastomeric, or other asphaltic compositions.Roofers | 4.5% | L0 | L0L1 | 9% | 6.0 h | Physical presence, Accountability, Access to systems |
| Remove snow, water, or debris from roofs prior to applying roofing materials.Roofers | 4.4% | L0 | L0L0 | 2% | 1.5 h | Physical presence, Accountability, Access to systems |
| Cover exposed nailheads with roofing cement or caulking to prevent water leakage or rust.Roofers | 4.4% | L0 | L0L0 | 2% | 45 min | Physical presence |
| Install vapor barriers or layers of insulation on flat roofs.Roofers | 4.3% | L0 | L0L0 | 4% | 6.0 h | Physical presence, Accountability, Access to systems |
| Waterproof or damp-proof walls, floors, roofs, foundations, or basements by painting or spraying surfaces with waterproof coatings or by attaching waterproofing membranes to surfaces.Roofers | 4.2% | L0 | L0L1 | 6% | 3.5 h | Physical presence, Accountability |
| Attach roofing paper to roofs in overlapping strips to form bases for other materials.Roofers | 4.2% | L0 | L0L0 | 2% | 2.5 h | Physical presence, Accountability, Access to systems |
| Apply plastic coatings, membranes, fiberglass, or felt over sloped roofs before applying shingles.Roofers | 4.0% | L0 | L0L1 | 5% | 3.5 h | Physical presence, Accountability, Access to systems |
| Apply reflective roof coatings, such as special paints or single-ply roofing sheets, to existing roofs to reduce solar heat absorption.Roofers | 3.8% | L0 | L0L1 | 6% | 8.0 h | Physical presence, Accountability, Access to systems |
Show the other 12 tasks
| Task statement (O*NET occupation) | Weight | Level | Sonnet · Haiku | Share | Human time | Barriers |
|---|---|---|---|---|---|---|
| Apply alternate layers of hot asphalt or tar and roofing paper to roofs.Roofers | 3.8% | L0 | L0L1 | 5% | 5.0 h | Physical presence, Accountability, Access to systems |
| Set up scaffolding to provide safe access to roofs.Roofers | 3.5% | L0 | L0L1 | 10% | 3.5 h | Physical presence, Accountability, Access to systems |
| Mop or pour hot asphalt or tar onto roof bases.Roofers | 3.3% | L0 | L0L0 | 2% | 2.0 h | Physical presence, Accountability, Access to systems |
| Apply gravel or pebbles over top layers of roofs, using rakes or stiff-bristled brooms.Roofers | 3.2% | L0 | L0L0 | 2% | 1.8 h | Physical presence, Accountability, Access to systems |
| Install attic ventilation systems, such as turbine vents, gable or ridge vents, or conventional or solar-powered exhaust fans.Roofers | 2.9% | L0 | L0L1 | 12% | 2.5 h | Physical presence, Accountability, Access to systems |
| Glaze top layers to make a smooth finish or embed gravel in the bitumen for rough surfaces.Roofers | 2.9% | L0 | L0L0 | 2% | 1.4 h | Physical presence, Access to systems |
| Spray roofs, sidings, or walls to bind, seal, insulate, or soundproof sections of structures, using spray guns, air compressors, or heaters.Roofers · supplemental task | 2.7% | L0 | L0L1 | 4% | 3.5 h | Physical presence, Accountability, Access to systems |
| Punch holes in slate, tile, terra cotta, or wooden shingles, using punches and hammers.Roofers · supplemental task | 2.4% | L0 | L0L0 | 2% | 12 min | Physical presence |
| Install skylights on roofs to increase natural light inside structures or to reduce energy costs.Roofers | 2.0% | L0 | L0L1 | 12% | 5.5 h | Physical presence, Accountability |
| Attach solar panels to existing roofs, according to specifications and without damaging roofing materials or the structural integrity of buildings.Roofers · supplemental task | 1.5% | L0 | L0L0 | 5% | 4.4 h | Physical presence, Accountability, Access to systems |
| Apply modular soil- and plant-containing grids over existing roof membranes to create green roofs.Roofers · supplemental task | 1.4% | L0 | L0L1 | 6% | 6.0 h | Physical presence, Accountability |
| Install layers of vegetation-based green roofs, including protective membranes, drainage, aeration, water retention and filter layers, soil substrates, irrigation materials, and plants.Roofers · supplemental task | 1.4% | L0 | L0L1 | 6% | 12 h | Physical presence, Accountability |
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 | Percentile |
|---|---|---|
| ADI (this index) | 5.1% | 9 |
| Eloundou et al. (2024), GPT exposure β | 0.057 | 9 |
| Felten et al. (2021), AI occupational exposure | -1.753 | 1 |
| Webb (2020), AI patent exposure | 54 | 46 |
| Eisfeldt et al. (2026), generative AI exposure | 0.018 | 14 |
| Anthropic Economic Index, observed use | 0.016 | 45 |
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 | |
| Plasterers 7123 | 4.3 |
Dashed line: roofers (5.1%).
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: Roofers (ISCO-08 7121), https://balamlabs.org/adi/occupations/7121
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: Roofers (ISCO-08 7121)}
}Machine-readable
The same record as static JSON, with its citation: /adi/v2026.1/isco/7121.json.