# Tasks & work activities — tiling supervisor

Source: O*NET 30.3, occupation 47-2044.00 (Tile and Stone Setters).

## Task statements

- **[Core]** Align and straighten tile using levels, squares, and straightedges.
- **[Core]** Determine and implement the best layout to achieve a desired pattern.
- **[Core]** Cut and shape tile to fit around obstacles and into odd spaces and corners, using hand and power cutting tools.
- **[Core]** Finish and dress the joints and wipe excess grout from between tiles, using damp sponge.
- **[Core]** Apply mortar to tile back, position the tile, and press or tap with trowel handle to affix tile to base.
- **[Core]** Mix, apply, and spread plaster, concrete, mortar, cement, mastic, glue or other adhesives to form a bed for the tiles, using brush, trowel and screed.
- **[Core]** Measure and mark surfaces to be tiled, following blueprints.
- **[Core]** Level concrete and allow to dry.
- **[Core]** Prepare surfaces for tiling by attaching lath or waterproof paper, or by applying a cement mortar coat to a metal screen.
- **[Core]** Study blueprints and examine surface to be covered to determine amount of material needed.
- **[Core]** Cut, surface, polish, and install marble and granite or install pre-cast terrazzo, granite or marble units.
- **[Core]** Install and anchor fixtures in designated positions, using hand tools.
- **[Core]** Cut tile backing to required size, using shears.
- **[Core]** Remove any old tile, grout and adhesive using chisels and scrapers and clean the surface carefully.
- **[Core]** Lay and set mosaic tiles to create decorative wall, mural, and floor designs.
- **[Core]** Remove and replace cracked or damaged tile.
- **[Core]** Measure and cut metal lath to size for walls and ceilings, using tin snips.
- **[Core]** Mix and apply mortar or cement to edges and ends of drain tiles to seal halves and joints.
- **[Core]** Apply a sealer to make grout stain- and water-resistant.
- **[Supplemental]** Prepare cost and labor estimates, based on calculations of time and materials needed for project.
- **[Supplemental]** Build underbeds and install anchor bolts, wires, and brackets.
- **[Supplemental]** Assist customers in selection of tile and grout.
- **[Supplemental]** Select and order tile and other items to be installed, such as bathroom accessories, walls, panels, and cabinets, according to specifications.
- **[Supplemental]** Spread mastic or other adhesive base on roof deck to form base for promenade tile, using serrated spreader.
- **[Supplemental]** Brush glue onto manila paper on which design has been drawn and position tiles, finished side down, onto paper.

## Detailed work activities

- Align masonry materials.
- Apply adhesives to construction materials.
- Apply mortar.
- Apply sealants or other protective coatings.
- Clean surfaces in preparation for work activities.
- Communicate with clients about products, procedures, and policies.
- Cut carpet, vinyl or other flexible materials.
- Cut metal components for installation.
- Cut tile, stone, or other masonry materials.
- Determine construction project layouts.
- Estimate construction project costs.
- Estimate construction project labor requirements.
- Estimate materials requirements for projects.
- Install building fixtures.
- Install masonry materials.
- Mark reference points on construction materials.
- Measure materials or objects for installation or assembly.
- Measure work site dimensions.
- Mix substances or compounds needed for work activities.
- Order construction or extraction materials or equipment.
- Remove excess materials from finished construction projects.
- Remove worn, damaged or outdated materials from work areas.
- Review blueprints or specifications to determine work requirements.
- Select construction materials.
- Smooth surfaces with abrasive materials or tools.
- Spread concrete or other aggregate mixtures.