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Brickmasons, Blockmasons, and Stonemasons

Brickmasons, blockmasons, and stonemasons (or, simply, masons) use bricks, concrete blocks, and natural stones to build fences, walkways, walls, and other structures. Show Details

Duties

Masons typically do the following:

  • Read blueprints or drawings to calculate materials needed
  • Lay out patterns or foundations, using a straightedge
  • Break or cut bricks, stones, or blocks to their appropriate size
  • Mix mortar or grout and spread it onto a slab or foundation
  • Lay bricks, blocks, or stones according to plans
  • Clean excess mortar with trowels and other handtools
  • Construct corners with a corner pole or by building a corner pyramid
  • Ensure that a structure is perfectly vertical and horizontal, using a plumb bob and level
  • Clean and polish surfaces with hand or power tools
  • Fill expansion and contraction joints with the appropriate caulking materials

The following are common types of masons:

Brickmasons and blockmasons—who often are called bricklayers—build and repair walls, floors, partitions, fireplaces, chimneys, and other structures with brick, precast masonry panels, concrete block, and other masonry materials.

Pointing, cleaning, and caulking workers repair brickwork, particularly on older structures on which mortar has come loose. Special care must be taken not to damage the structural integrity or the existing bricks.

Refractory masons are brickmasons who specialize in installing firebrick and refractory tile in high-temperature boilers, furnaces, cupolas, ladles, and soaking pits in industrial establishments. Most of these workers are employed in steel mills, where molten materials flow on refractory beds from furnaces to rolling machines. They also are employed at oil refineries, glass furnaces, incinerators, and other locations with manufacturing processes that require high temperatures.

Stonemasons build stone walls, as well as set stone exteriors and floors. They work with two types of stone: natural-cut stone, such as marble, granite, and limestone; and artificial stone, made from concrete, marble chips, or other masonry materials. Using a special hammer or a diamond-blade saw, workers cut stone to make various shapes and sizes. Some stonemasons specialize in setting marble, which is similar to setting large pieces of stone.

Tile and Marble Setters

Tile and marble setters apply hard tile, marble, and wood tiles to walls, floors, and other surfaces. Show Details

Duties

Tile and marble setters typically do the following:

  • Clean and level the surface to be tiled
  • Measure and cut tile and marble
  • Arrange tiles according to the design plans
  • Prepare and apply mortar or other adhesives
  • Install tile and marble in the planned area
  • Apply grout with a rubber trowel
  • Wipe off excess grout and apply necessary finishes, such as sealants

Tile installers, tilesetters, and marble setters install materials on a variety of surfaces, such as floors, walls, ceilings, countertops, patios, and roof decks. Because tile and marble must be set on smooth, even surfaces, installers often must level the surface to be tiled with a layer of mortar or plywood. If the area to be tiled is unstable, workers must nail a support of metal mesh or tile backer board to create a stable surface.

To cut tiles, workers use power wet saws, tile scribes, or hand-held tile cutters to create even edges. They use trowels of different sizes to spread mortar or a sticky paste, called mastic, evenly on the surface to be tiled. To minimize imperfections and keep rows straight and even, they put spacers between tiles. The spacers keep tiles the same distance from each other until the mortar is dry. After the mortar dries and the tiles are set, they apply grout between tiles using a rubber trowel (called a float).

Marble setters may cut marble to a specified size with a power wet saw. After putting the marble in place, marble setters polish the marble to a high luster, using power or hand sanders.

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