抹灰工、干墙安装工以及修整工和起泡工

Plasterers

Clean and prepare surfaces

Mix plaster ingredients in trough to desired consistency

Apply, level and smooth coats of plaster using trowels, floats, brushes and spraying equipment

Trowel or spray coats of stucco over exteriors of buildings to form weatherproof surfaces

Finish corners and angles and create decorative designs in finish coat, if required

Cure freshly plastered surfaces

Mould and install ornamental plaster panels, cornices and trim

Spray acoustic materials or texture finish over walls and ceilings.

Drywall installers and finishers

Measure, cut and fit drywall sheets for installation on walls and ceilings

Position and secure sheets to metal or wooden studs or joists

Cut and install metal corner beads to protect exterior corners

Fill joints, nail indentations, holes and cracks with joint compound using trowel and broad knife

Tape over joints using taping machine and embed tape in compound

Smooth out excess compound and allow coat to dry

Apply successive coats of compound and sand seams and joints

Fabricate and install suspended metal ceiling grids and place in panels to form acoustical and coffered ceilings.

Lathers

Prepare wall and ceiling layouts

Install metal stud framing and furring for interior drywall or plaster walls and ceilings, using hand and power tools

Attach metal or gypsum lath to studs or furring using nails, screws, clips or wire ties

Cut openings in lath for heating and ventilation piping, ducts and electrical outlets

Install corner beads and wire mesh around beams to which plaster is to be applied

May install acoustic tile, hangers for suspended ceilings and metal studs for composition wallboard or lath.

Completion of secondary school is usually required.

Completion of a three- or four-year apprenticeship program in plastering, drywalling or lathing or A combination of over three years of work experience and some high school, college or industry courses in plastering, drywalling or lathing is usually required.

Plasterer trade certification is compulsory in Quebec and available, but voluntary, in Ontario, Saskatchewan and British Columbia.

Drywall installer and finisher trade certification is available, but voluntary, in British Columbia.

Trade certification for lathers (interior systems mechanics) is compulsory in Quebec and available, but voluntary, in all other provinces and the Yukon.

Red Seal endorsement is also available to qualified lathers (interior systems mechanic) upon successful completion of the interprovincial Red Seal examination.

The Red Seal endorsement allows for interprovincial mobility.

Progression to supervisory positions is possible with experience.

Contractors and supervisors, other construction trades, installers, repairers and servicers (See 72014 Contractors and supervisors, other construction trades, installers, repairers and servicers)