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OSP Occupational Profile

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NOC Code: NOC Code: 7441a Occupation: Residential and commercial installers and servicers
Occupation Description: Occupation Description:
Workers in this unit group install and service a wide variety of interior and exterior prefabricated products such as windows, doors, electrical appliances, water heaters, fences, play structures and septic and irrigation systems at residential, commercial or institutional properties. They are employed by companies specializing in specific product installation and service. Workers in this unit group install and service a wide variety of interior and exterior prefabricated products such as windows, doors, electrical appliances, water heaters, fences, play structures and septic and irrigation systems at residential, commercial or institutional properties. They are employed by companies specializing in specific product installation and service.

  • Click on any of the Essential Skills to view sample workplace tasks for this occupation.
  • Scroll down the page to get information on career planning, education and training, and employment and volunteer opportunities.

Table will display the Skill Level for the Noc specified
Essential Skills Essential Skills Levels
Reading Reading 1 2 3 4
Writing Writing 1 2
Document Use Document Use 1 2 3
Digital Technology Digital Technology 1 2
Oral Communication Oral Communication 1 2
Money Math Money Math 1 2 3
Scheduling or Budgeting and Accounting Scheduling or Budgeting and Accounting 1 2
Measurement and Calculation Measurement and Calculation 1 2 3 4
Numerical Estimation Numerical Estimation 1 2 3
Job Task Planning and Organizing Job Task Planning and Organizing 1 2 3
Decision Making Decision Making 1 2 3
Problem Solving Problem Solving 1 2 3
Finding Information Finding Information 1 2

  • The skill levels represented in the above chart illustrate the full range of sample tasks performed by experienced workers and not individuals preparing for or entering this occupation for the first time.
  • Note that some occupational profiles do not include all Numeracy and Thinking Essential Skills.

If you would like to print a copy of the chart and sample tasks, click on the "Print Occupational Profile" button at the top of the page.

  • Read brief memos clarifying job specifications. (1)
  • Scan Workplace Hazardous Material Information System (WHMIS) labels for safety warnings. (1)
  • Read faxes from commercial customers outlining the type, dimensions and locations of installations needed. (1)
  • Read directions for glues and paints. (1)
  • Read notes in architectural specifications and contractors' plans to clarify materials and instructions for large jobs. (2)
  • Read manuals and other information from manufacturers to learn effective procedures for working with new materials. (2)
  • Read Material Safety Data Sheets (MSDS) for detailed safety information and material handling instructions. (3)
  • Read manuals describing how to construct and install products, such as swimming pools, water heaters or electric gate systems. (3)
  • Refer to building codes to find regulations regarding matters such as fire ratings for sealants around pipes going through walls. (4)
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  • Write letters to utility companies requesting information on where lines are installed. (1)
  • Write notes to customers regarding details of jobs and keep a daily log of significant interactions with customers. (1)
  • Write notes describing factory defects, in support of warranty claims. (1)
  • Write work descriptions and explanations needed to complete permits and other forms for product installation. For example, a health certificate form is required for septic tank installation. (1)
  • Write price quotations, detailed work orders, and notes which modify existing work orders. (2)
  • Write memos to contractors requesting alterations in plans or information about purchasing materials. (2)
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Document Use
  • Read safety signs on construction site entrances, such as warnings to wear hard hats, steel toed shoes and hearing protection. (1)
  • Fill in timesheets for payroll. (1)
  • Look up addresses and phone numbers in telephone books. (1)
  • Locate job sites using road maps and subdivision plans. (2)
  • Read work order forms and company price lists for different jobs. (2)
  • Consult tables to determine the size of anchor bolts or signs. (2)
  • Complete invoices to collect payment onsite at the end of jobs. (2)
  • Complete forms for ordering supplies, recording gas mileage and detailing vehicle maintenance. (2)
  • Read Workplace Hazardous Materials Information System (WHMIS) labels on materials, such as cans of chemicals and glue. (2)
  • Read assembly drawings for valves, boilers, pumps and motors. (3)
  • Read blueprints to establish the routing of piping around fixtures or locations of water heaters and softeners. (3)
  • Take measurements from scale drawings when determining supplies required. (3)
  • Refer to building plans and sketches in manufacturers' manuals showing, for example, where to install pipes or how to complete kitchen cabinets. (3)
  • Read schematics located on machines, describing electrical and hydraulic circuits. (3)
  • Read material safety data sheets (MSDS) to find out the properties of materials such as spray paint. (3)
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Digital Technology
  • Use word processing. For example, type work orders. (2)
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Oral Communication
  • Communicate clearly with co-workers when digging up ground near gas or hydro lines. (1)
  • Talk with warehouse clerks to get materials and supplies. (1)
  • Interact with other tradespeople. For example, talk to electricians to make sure boxes and outlets will fit in cupboards. (1)
  • Talk to suppliers to get information on products and to place purchase orders. (1)
  • Speak with sales staff to clarify orders and discuss discrepancies in measurements. (1)
  • Give instructions to assistants about installations or safety hazards. (1)
  • Get instructions from job superintendents, home owners or clients. (2)
  • Discuss work in progress and potential installation problems with customers. (2)
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Money Math
  • Calculate totals for gas purchases and other expenses and submit for reimbursement. (1)
  • Calculate the total amount of a service or installation bill, including material costs, labour charged at an hourly rate and applicable taxes. (3)
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Scheduling or Budgeting and Accounting
  • Compare costs for materials when buying in different quantities or from different suppliers. (1)
  • Determine the budget for a job, checking the manufacturer's specification list for parts and prices, and adding labour charges and taxes. (2)
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Measurement and Calculation
  • Measure and calculate perimeters when installing mouldings. (1)
  • Measure the size of openings when planning how to get a piece of equipment through it. (1)
  • Calculate areas when installing tile. (2)
  • Measure window frame dimensions and calculate how best to cut material from available stock. (2)
  • Measure distance to install fencing taking into account ground undulation and determine if some areas will need longer rolls of chain link than others. (2)
  • Use specialized measuring tools such as transits, levels, and volt/ohm meters. Use a carpenter's square to measure angles and slopes. (3)
  • Determine property lines, the length of a pool liner or the centre point of a space available for cabinet installation. (3)
  • Use trigonometry to calculate the dimensions of pipe offsets and rolling offsets. (4)
  • Use extensive geometry to lay out complex carpentry work such as framing a bay window or cutting a rafter. Measure and cut complementary angles using knowledge of common geometrical relationships and figures. (4)
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Numerical Estimation
  • Estimate job completion time based on a calculation of how much has been done in the time already spent. (1)
  • Estimate the amounts of materials for a job where both calculation and judgment are required. For example, estimate the quantity of cement required for a sign base with a square top but an irregular hole beneath. (2)
  • Estimate the cost of a job, taking into account the time and materials required. (3)
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Job Task Planning and Organizing
  • Residential and commercial installers and servicers receive job orders from company owners. Sales staff may co-ordinate schedules and delivery dates, and the installers and servicers then finalize those arrangements with customers. They plan which tools and supplies are needed at various job sites and consider travel time and their assistant's work schedules when planning and sequencing their daily tasks. Plans may be modified as necessary after checking with company managers. (3)
  • Residential and commercial installers co-ordinate their work with other tradespeople. Interruptions may occur if the weather interferes with outdoor work or if the condition of existing buildings is such that repairs are necessary before the installation can proceed. (3)
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Decision Making
  • Decide at what specific time the concrete trucks need to arrive. Make the decision based on the number of holes that have been dug. (Fence installers) (1)
  • Choose appropriate fasteners, adhesives, and sealants for each job. (1)
  • Make decisions about whether to proceed with an installation. For example, tile installers might find that a sub-floor is in poor condition and must decide whether to ask for the sub-floor to be replaced before installing or to take more time on surface preparation. (2)
  • Decide whether to continue a job when there is a suspicion that property lines are wrong on the customer's plans. (Fence installers) (2)
  • Decide, when cabinets will be hard to fit in as specified, whether to suggest a modification in the design of the adjoining area. (Cabinet installers) (3)
  • Decide on the best way to gain access to awkward places in houses, keeping in mind the safety risk, the cost of renting and erecting scaffolding, the total time available and the amount of work to be done. (3)
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Problem Solving
  • When removing old windows, it quickly becomes evident that the supporting walls are rotten. Construct supports for the new windows. (Window installers) (1)
  • The ground is uneven. Obtain posts of differing lengths. (Fence installers) (1)
  • A request has been made to install unfamiliar products, such as a new type of metal siding. Contact suppliers and manufacturer representatives for information and assistance. (Residential and commercial installers and servicers) (2)
  • A countertop has been broken during the installation process. Use glues, filters or silicones to repair and disguise the break. (Cabinet installers) (2)
  • There is no water pressure in the pool. Check the skimmer to make sure it is not plugged and make sure the pressure of the filter is not too high. (Pool installers) (2)
  • Incomplete or shoddy work by other tradespeople is interfering with the installation. For example, electrical outlets may be covered by wallboard or concrete pads may not be level. Negotiate with onsite tradespeople or the general contractor to get the defects corrected and complete the job. (Garage door installers) (3)
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Finding Information
  • Refer to street maps to find addresses of job sites. (1)
  • Read manufacturer specification sheets, manuals, blueprints and scale drawings for information about particular jobs. (2)
  • Consult equipment catalogues to locate replacement parts and prices. (2)
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