Cover roofs of structures with shingles, slate, asphalt, aluminum, wood, or related materials. They spray roofs, sidings, and walls with material to bind, seal, insulate, or soundproof sections of structures.

Position and secure steel bars or mesh in concrete forms in order to reinforce concrete. They use a variety of fasteners, rod bending machines, blowtorches, and hand tools. Includes rod busters.

Apply interior or exterior plaster, cement, stucco, or similar materials. They also set ornamental plaster.

Assemble, install, or repair pipes, fittings, or fixers for heating, water, or drainage systems, according to specifications or plumbing codes.

Lay out, assemble, install, or maintain pipe systems, pipe supports, or related hydraulic or pneumatic equipment for steam, hot water, heating, cooling, lubricating, sprinkling, or industrial production or processing systems.

Lay pipe for storm or sanitation sewers, drains, and water mains. They perform any combination of the following tasks: grade trenches or culverts, position pipe, or seal joints.

Cover interior walls or ceilings of rooms with decorative wallpaper or fabric, or attach advertising posters on surfaces such as walls and billboards. They remove old materials or prepare surfaces to be papered.

Paint walls, equipment, buildings, bridges, and other structural surfaces, using brushes, rollers, and spray guns. They remove old paint to prepare surface prior to painting. They mix colors or oils to obtain desired color or consistency.

Apply insulating materials to pipes or ductwork, or other mechanical systems in order to help control and maintain temperature.

Line and cover structures with insulating materials. They work with batt, roll, or blown insulation materials.