Trades Specialist Mason & Plasterer

Trades Specialists (Mason & Plasterer)

Trades Specialists (Mason & Plasterer) perform journey-level masonry and plastering work and may supervise others in the construction and repair of buildings and structures involving the use of a variety of masonry materials including brick, stone, plaster, and concrete.

Duties include:

• Lays building materials such as stone, brick, and concrete cinder block to construct or repair walls, partitions, utility manholes, firebrick linings in furnaces, and chimneys.
• Lays out work following blueprints and specifications by measuring distance from reference points and marking guidelines on working surface.
• Mixes or directs the mixing of mortar.
• Spreads mortar on working surface and to block or stone and positions and aligns the block using a plumb bob, gauge line, and level.
• Removes excess mortar from face of block and finishes mortar between brick with pointing tool or trowel.
• Smooths and finishes surfaces of poured concrete floors, walls, and sidewalks to specified texture.
• May mix or direct the mixing of concrete.
• Spreads concrete to specified depth and workable consistency.
• Levels and smooths surface of freshly poured concrete using straightedge and float.
• Removes rough or defective spots and patches holes with fresh concrete.
• Applies ceramic tiles to walls, floors, and ceilings.
• Prepares surface by removing damaged tiles or applies plaster or concrete base.
• Spreads adhesive base on surface.
• Cuts, shapes, and applies tiles to surface according to specifications.
• Applies coats of plaster to walls and ceilings.
• Mixes or directs the mixing of plaster and the erection of scaffolds if needed.
• Removes broken or loose plaster and otherwise prepares surface.
• Applies scratch coat of plaster.
• Applies finish coats of plaster to desired thickness and texture.
• May draw rough sketches or prepare plans to scale from oral or written instructions to accomplish the project.
• From blueprints, specifications, or oral or written instructions, may estimate labor, materials, tools and equipment necessary for the project.
• Assembles materials, tools, and equipment required to complete the project according to plans.
• May supervise and instruct others in performing masonry and plastering work.
• Assigns work to masonry crew.
• Gives verbal instructions, and/or demonstrates proper masonry or plaster techniques and the use of masonry and plastering tools and equipment.
• Observes and inspects the work while in progress and when completed to ensure that the job is done properly.
• Requires daily travel within the 10 county district.