# Glaziers > Install glass in windows, skylights, store fronts, and display cases, or on surfaces, such as building fronts, interior walls, ceilings, and tabletops. - Code: 47-2121.00 (O*NET-SOC; SOC 2018 47-2121) - Family: [Construction & Extraction](https://foundation.org.ai/occupations#family-47), one of its 65 occupations - Tasks: 27 tasks (22 core and 5 supplemental) - Page: https://foundation.org.ai/occupations/47-2121.00 - JSON: https://foundation.org.ai/data/tasks/47-2121.00.json ## What the work is made of 1. Read and interpret blueprints or specifications to determine size, shape, color, type, or thickness of glass, location of framing, installation procedures, or staging or scaffolding materials required. Core task · Task 11484 · Rated by 76 people who do the job, August 2023 2. Determine plumb of walls or ceilings, using plumb lines and levels. Core task · Task 11485 · Rated by 78 people who do the job, August 2023 3. Install pre-assembled metal or wood frameworks for windows or doors to be fitted with glass panels, using hand tools. Core task · Task 11496 · Rated by 77 people who do the job, August 2023 4. Fabricate or install metal sashes or moldings for glass installation, using aluminum or steel framing. Core task · Task 11486 · Rated by 76 people who do the job, August 2023 5. Operate cranes or hoists with suction cups to lift large, heavy pieces of glass. Core task · Task 11504 · Rated by 77 people who do the job, August 2023 6. Set glass doors into frames and bolt metal hinges, handles, locks, or other hardware to attach doors to frames and walls. Core task · Task 11492 · Rated by 77 people who do the job, August 2023 7. Cut, fit, install, repair, or replace glass or glass substitutes, such as plastic or aluminum, in building interiors or exteriors or in furniture or other products. Core task · Task 11490 · Rated by 75 people who do the job, August 2023 8. Drive trucks to installation sites and unload mirrors, glass equipment, or tools. Core task · Task 11495 · Rated by 76 people who do the job, August 2023 9. Load and arrange glass or mirrors onto delivery trucks, using suction cups or cranes to lift glass. Core task · Task 11499 · Rated by 77 people who do the job, August 2023 10. Measure mirrors and dimensions of areas to be covered to determine work procedures. Core task · Task 11487 · Rated by 76 people who do the job, August 2023 11. Cut and attach mounting strips, metal or wood moldings, rubber gaskets, or metal clips to surfaces in preparation for mirror installation. Core task · Task 11497 · Rated by 75 people who do the job, August 2023 12. Pack spaces between moldings and glass with glazing compounds and trim excess material with glazing knives. Core task · Task 11503 · Rated by 76 people who do the job, August 2023 13. Assemble, erect, or dismantle scaffolds, rigging, or hoisting equipment. Core task · Task 11498 · Rated by 76 people who do the job, August 2023 14. Cut and remove broken glass prior to installing replacement glass. Core task · Task 11491 · Rated by 76 people who do the job, August 2023 15. Secure mirrors in position, using mastic cement, putty, bolts, or screws. Core task · Task 11489 · Rated by 77 people who do the job, August 2023 16. Measure and mark outlines or patterns on glass to indicate cutting lines. Core task · Task 11500 · Rated by 76 people who do the job, August 2023 17. Grind or polish glass, smoothing edges when necessary. Core task · Task 11501 · Rated by 75 people who do the job, August 2023 18. Fasten glass panes into wood sashes or frames with clips, points, or moldings, adding weather seals or putty around pane edges to seal joints. Core task · Task 11488 · Rated by 76 people who do the job, August 2023 19. Score glass with cutters' wheels, breaking off excess glass by hand or with notched tools. Core task · Task 11493 · Rated by 75 people who do the job, August 2023 20. Cut, assemble, fit, or attach metal-framed glass enclosures for showers, bathtubs, display cases, skylights, solariums, or other structures. Core task · Task 11494 · Rated by 77 people who do the job, August 2023 21. Prepare glass for cutting by resting it on rack edges or against cutting tables and brushing thin layer of oil along cutting lines or dipping cutting tools in oil. Core task · Task 11502 · Rated by 76 people who do the job, August 2023 22. Move furniture to clear work sites and cover floors or furnishings with drop cloths. Core task · Task 11507 · Rated by 75 people who do the job, August 2023 23. Confer with customers to determine project requirements or to provide cost estimates. Supplemental task · Task 11505 · Rated by 76 people who do the job, August 2023 24. Select the type or color of glass or mirror according to specifications. Supplemental task · Task 11506 · Rated by 75 people who do the job, August 2023 25. Measure, cut, fit, and press anti-glare adhesive film to glass or spray glass with tinting solution to prevent light glare. Supplemental task · Task 11509 · Rated by 77 people who do the job, August 2023 26. Assemble and cement sections of stained glass together. Supplemental task · Task 11508 · Rated by 76 people who do the job, August 2023 27. Create patterns on glass by etching, sandblasting, or painting designs. Supplemental task · Task 11510 · Rated by 77 people who do the job, August 2023 ## More in Construction & Extraction - [Boilermakers](https://foundation.org.ai/occupations/47-2011.00): 17 tasks - [Brickmasons and Blockmasons](https://foundation.org.ai/occupations/47-2021.00): 14 tasks - [Carpenters](https://foundation.org.ai/occupations/47-2031.00): 29 tasks - [Carpet Installers](https://foundation.org.ai/occupations/47-2041.00): 16 tasks - [Cement Masons and Concrete Finishers](https://foundation.org.ai/occupations/47-2051.00): 26 tasks - [Construction and Building Inspectors](https://foundation.org.ai/occupations/47-4011.00): 19 tasks - [Construction and Related Workers, All Other](https://foundation.org.ai/occupations/47-4099.00): no tasks listed - [Construction Laborers](https://foundation.org.ai/occupations/47-2061.00): 27 tasks - [Continuous Mining Machine Operators](https://foundation.org.ai/occupations/47-5041.00): 15 tasks - [Derrick Operators, Oil and Gas](https://foundation.org.ai/occupations/47-5011.00): 15 tasks - 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