Fenestration installer

Key information

  1. Status: Approved for delivery (available for starts)
  2. Reference: ST0743
  3. Version: 1.1
  4. Level: 2
  5. Typical duration to gateway: 18 months
  6. Typical EPA period: 3 months
  7. Route: Construction and the built environment
  8. Maximum funding: £9000
  9. Date updated: 13/11/2023
  10. Approved for delivery: 27 September 2019
  11. Lars code: 513
  12. EQA provider: Ofqual
  13. Review: this apprenticeship will be reviewed in accordance with our change request policy.
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Details of the occupational standard

Occupation summary

This occupation is found in both the new build and refurbishment construction sector. Projects include dwellings and non-dwellings, ranging from windows, doors, bi-fold doors in homes and public houses through to large new build office and housing developments. Fenestration is the arrangement and design of windows and other external glazed elements in a building with the exception of curtain walling. It can often be the most impressive feature of a building and covers a range of products e.g. windows, doors, bi-folds, rooflights and conservatories. Companies range in size from local micro businesses servicing only the domestic market and sourcing their products from manufacturers or trade suppliers through to large national employers who both manufacture and fit a wide range of fenestration products for dwellings and non-dwellings.


The broad purpose of this occupation is the on-site installation of a wide range of replacement and new build fenestration products in a property or structure. This could include windows, doors, bi-fold doors, and conservatories. Installers work with a broad range of materials (e.g. PVC-U, aluminium, steel, timber and composite) and a wide variety of building structures and building methods. The work is usually conducted on-site with a combination of working on the exterior of a building as well as from inside the building, sometimes working at height and in varying weather conditions. This occupation can progress to more specialist occupations through further training, e.g. curtain walling, surveying, and working on high-rise high-risk buildings which must comply to specific regulations since the Grenfell fire.

In their daily work, an employee in this occupation interacts with colleagues both on site (installation team and other trades) and office based (e.g. line manager, supervisor, customer service, designers). Installers often work as part of small teams either directly for end customers such as small shop owners, landlords, tenants or individual home owners or in large scale projects for developers. Therefore, they occasionally interact with site managers, architects and other trades.

An employee in this occupation will be responsible for completing their own work, with minimal supervision, ensuring they meet installation quality standards and deadlines. They may work as part of a team, with responsibility for a specific aspect of the installation, contributing to the completion of the project.  As part of this, they will be expected to liaise with various clients some of whom may be and be aware of relevant legislation and regulations related to how they interact with clients, their working environment and work within these limitations.

Typical job titles include:

Fenestration installer Window and door installer Window fitter Window installer

Occupation duties

Duty KSBs

Duty 1 Work in compliance with Health and Safety, and environmental requirements considering the Health and Safety of self and others. Report in a timely manner any non-compliances to the relevant person.

K1 K2 K3 K6 K7 K8 K15 K16 K17 K18 K19 K20 K21 K22 K23 K24 K25 K26 K33 K34 K36

S1 S2 S3 S4 S5 S6 S8 S10 S12 S13 S19 S20 S23 S24 S25 S27

B1 B2 B4 B5 B6

Duty 2 Identify and confirm fenestration installation requirements and components.

K1 K4 K5 K6 K7 K8 K9 K11 K12 K13 K14 K19 K20 K24 K25 K35

S1 S2 S4 S5 S6 S7 S14 S25

B2 B5 B6

Duty 3 Interpret the appropriate work plan for the job, taking into account factors such as environmental, structural, contractual and specification.

K1 K4 K5 K7 K8 K9 K12 K13 K24 K25 K32 K35

S1 S2 S4 S5 S6 S7 S13 S14 S25

B2 B4 B5 B6

Duty 4 Locate, handle, store, load, transport and position fenestration materials and components safely.

K1 K2 K4 K5 K7 K8 K12 K13 K14 K19 K20 K21 K24 K25 K35

S1 S2 S5 S6 S7 S25

B2 B5 B6

Duty 5 Prepare the site, plant, equipment and access ready for installation.

K1 K2 K4 K5 K7 K8 K9 K11 K12 K13 K18 K19 K20 K21 K24 K25 K35

S1 S2 S5 S6 S7 S9 S14 S15 S25 S27

B2 B5 B6

Duty 6 Remove existing fenestration, understanding what action should be taken or who to report situations to if problems arise

K1 K2 K4 K5 K7 K8 K9 K11 K12 K13 K19 K20 K23 K24 K25

S1 S2 S5 S6 S12 S14 S15 S25

B2 B5 B6

Duty 7 Take steps to ensure structural stability using structural supports.

K1 K2 K12 K13 K18 K24 K25

S1 S2 S11 S12 S25

B2 B5 B6

Duty 8 Prepare the apertures, appropriate to the property

K1 K2 K12 K13 K14 K24 K25 K26

S1 S2 S25

B2 B5 B6

Duty 9 Fix fenestration units in place

K1 K4 K11 K12 K26

S1 S2 S25

B2 B5 B6

Duty 10 Install glass units, infill panels and hardware

K1 K4 K5 K11 K16

S1 S2 S10 S16 S17 S18 S25

B2 B5 B6

Duty 11 Make good and apply internal & external finishes

K1 K28 K29 K30

S1 S2 S10 S19 S20 S25 S26

B2 B5 B6

Duty 12 Maintain a clean and tidy work area throughout and upon completion of the works

K1 K3

S1 S2 S4 S8

B2 B3 B6

Duty 13 Conduct interim and final inspections of the work and work area

K1 K9 K10 K14 K19 K27 K28 K29 K30

S4 S14 S21 S22 S25

B2 B5 B6

Duty 14 Demonstrate the product and handover installation paperwork

K1 K5 K7 K8 K9 K10 K19 K31

S5 S6 S14 S22 S23 S25

B2 B3 B5 B6

KSBs

Knowledge

K1: Awareness of health and safety regulations, standards, and guidance (Emergencies and First Aid provision and mandatory reporting of accidents and near misses) and impact on role. Control of Substances Hazardous to Health (COSHH). Fire safety. Health and Safety at Work Act. Asbestos awareness. Manual handling. signage, fire extinguishers. Safety signage. Situational awareness. Slips, trips, and falls. Working in confined spaces. Working at height. Mobile elevated working platforms (MEWPS), Electrical safety, emergency stop procedures. Lone working. Safety equipment and guards on machinery and power tools. Back to Duty

K2: Safety Control equipment and how to use personal protective equipment (PPE) Respiratory protective equipment (RPE) and dust suppression. Back to Duty

K3: Site specific inductions, risk assessments and control measures, method statements and hazard identification in the work area. Back to Duty

K4: Fenestration installation industry: domestic and commercial. Back to Duty

K5: Characteristics, qualities and uses of fenestration products and an awareness of specialist products for enhanced performance, safety, security and fire rating. Back to Duty

K6: Principles of window and door set: Window and Door set Energy Ratings and U values. Back to Duty

K7: Verbal communication techniques. Giving and receiving information. Matching style to audience. Barriers in communication and how to overcome them. Fenestration terminology. Back to Duty

K8: Traditional written and digital communication techniques within the fenestration industry. Back to Duty

K9: Methods of interpreting and extracting relevant information from drawings, specifications, digital documents and work instructions, including manufacturer's instructions. Back to Duty

K10: Information required to complete quality checks and reports. Back to Duty

K11: Mechanical properties, use and limitations of fenestration materials: aluminium, steel, timber, composites, PVC-U. Back to Duty

K12: Positioning and installation techniques of frames. Back to Duty

K13: Fixtures and fastening purpose and use: Handles, hinges, locks, trickle vents, louvers and frame extensions. Back to Duty

K14: Principles and purpose, use and storage of waterproofing products and systems: gaskets, DPCs, membranes, sealants, weather seals, drainage systems, vertical damp proof course and damp proofing under doors. Back to Duty

K15: Installation of Insulating Glass Unit (IGU); correct orientation of unit (low e glass or coated glass), location on the façade, safety glass. Back to Duty

K16: Principles of glazing systems: drainage, solid bedded systems, toeing and heeling (including packing of), system required holes such as pressure equalisation or weep holes. Back to Duty

K17: Legislation, standards and regulations associated with fenestration activities: UKCA (UK Conformity Assessed) marking, Secured by Design, Building Regulations. Back to Duty

K18: Principles of buildings: structural support, cavity wall, timber frame, steel frame. Back to Duty

K19: Methods of removing existing fenestration products components from different construction materials: timber, stone, stone jams, rendering and in between brick. Back to Duty

K20: Principles of identifying the structural support requirements for removal and installation of fenestration products. Back to Duty

K21: Moving, handling and storing of materials, including loading and unloading of vehicles. Back to Duty

K22: Awareness of environmental and sustainability regulations, Impact of the sector on the environment. Efficient use of resources, energy efficiency measures, types of external and internal insulation. Recycling, reuse and safe disposal of waste. Back to Duty

K23: Responsibilities and methods for reporting non-compliance. Back to Duty

K24: Tools and equipment used in fenestration installation: power tools, hand tools, cutting tools and measuring equipment. Back to Duty

K25: Techniques for measuring, marking and drilling materials. Back to Duty

K26: Methods of fixing: pack the frame in the aperture, selection of correct fastener or anchor, plug and screw, fix with sleeved anchors, brick screws, window lugs and door straps. Back to Duty

K27: Interim inspection requirements: windows and doors are in working order to meet manufacturers' instructions, cleaning of frame rebates, cleaning of joints, de-burring of trickle vents including excess swarf. Operation of locks and hardware. Back to Duty

K28: Methods of internal and external finishing: making good any damage, priming, sealing, trimmings, mouldings, backer rod or foam, scribing, trimmings, flashings, perimeter pressings and cladding. Back to Duty

K29: Pre handover checks: Investigation of snags and snagging techniques. Back to Duty

K30: Final inspection requirements: Final removal of all protective films, cleaning of glass and frames, cleaning of joints. Back to Duty

K31: Handover process to commercial and domestic customers. Back to Duty

K32: Contractual arrangements: penalty clauses, customer rights and product as described. Back to Duty

K33: Principles of inclusion, equity and diversity in the workplace. Back to Duty

K34: Well-being: mental and physical health considerations in self and others and how to access support. Back to Duty

K35: Planning techniques: Order of works pre-installation checks, product and specification checks and aperture checks. Back to Duty

K36: Working at height equipment and techniques for safe use: Steps, ladders, hop- ups and podiums. Back to Duty

Skills

S1: Comply with Health and Safety regulations, standards and guidance. Back to Duty

S2: Identify and use personal protective equipment (PPE). Back to Duty

S3: Comply with industry regulations, standards and guidance. Back to Duty

S4: Read, interpret, review risk assessments, implement control measures. Back to Duty

S5: Use traditional or digital written methods to communicate with others. Back to Duty

S6: Communicate with others verbally for example, colleagues and stakeholders. Back to Duty

S7: Plan order of works, carry out pre-installation checks. Back to Duty

S8: Prepare and maintain a safe working area. Back to Duty

S9: Select, check and use hand and power tools and equipment. Back to Duty

S10: Move, handle and store materials, including loading and unloading of vehicles. Back to Duty

S11: Identify, install and remove temporary support requirements. Back to Duty

S12: Remove existing fenestration products. Back to Duty

S13: Comply with environmental and sustainability regulations, standards, and guidance, recycling and disposal. Back to Duty

S14: Read and interpret information from manufacturers guidance and other sources, for example from drawings, specifications, digital documents or work instructions. Back to Duty

S15: Prepare the frame for installation for example handles, hinges, locks, hardware, trickle vents or frame extensions. Back to Duty

S16: Position and fix the frame in the opening ensuring level, plumb and square. Back to Duty

S17: Position and install sashes. Back to Duty

S18: Position and install, glazing and any infill materials into the frame. Back to Duty

S19: Measure, cut, drill and fix trims. Back to Duty

S20: Apply external seals for moisture and air penetration. For example, wet sealants, tapes, membranes and any associated products. Back to Duty

S21: Interim inspection work and rectify or report any work that is incorrect or incomplete. Back to Duty

S22: Complete final inspections and workplace documentation. Back to Duty

S23: Complete a customer or site manager handover. Back to Duty

S24: Check and use working at height equipment for example steps, ladders, hop-ups, and podiums. Back to Duty

S25: Carry out and record planned and unplanned learning opportunities and development activities. Back to Duty

S26: Carry out internal and external finishing for example making good any damage, priming, sealing, trimmings, mouldings, backer rod or foam, scribing, trimmings, flashings, perimeter pressings and cladding. Back to Duty

S27: Prepare openings for installation. Back to Duty

Behaviours

B1: Put wellbeing, health and safety first. Back to Duty

B2: Take ownership of given work. Back to Duty

B3: Maintain working relationships with colleagues, customers and others. Back to Duty

B4: Consider the environment when using resources and carrying out processes. Back to Duty

B5: Seek learning and development opportunities. Back to Duty

B6: Contribute to an inclusive and diverse culture. Back to Duty

Qualifications

English and Maths

English and maths qualifications must be completed in line with the apprenticeship funding rules.

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Version log

Version Change detail Earliest start date Latest start date
1.1 Standard, end-point assessment plan and funding band revised 09/11/2023 Not set
1.0 Approved for delivery 27/09/2019 08/11/2023
Employers involved in creating the standard: The Window Company, Council for Aluminium in Building (CAB), Sunray Construction, UK Glass Force, Nationwide Windows, Eurocell, Anglian Home Improvements, Synseal/Global Glass, Rehau, Saint Gobain, Prentice Glass, Cornwall Glass & Glazing, Everest, SAS (Senior Architectural Systems), VPS Evander, Continental Installations, Comar Architectural Aluminium Systems (Parkside Group), Safestyle, Emplas Window Systems Ltd, Glazerite UK Group Limited, Corgi, GGF, Certass, Fensa

Crown copyright © 2025. You may re-use this information (not including logos) free of charge in any format or medium, under the terms of the Open Government Licence. Visit www.nationalarchives.gov.uk/doc/open-government-licence

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