
Window Fitter Course
Get the hands-on skills to install windows professionally, from surveying openings and fitting frames to glazing, sealing, and hardware adjustment. This course covers every stage of the window fitting trade, including safety, tools, energy performance, and client handover. Whether you're entering the trade or sharpening your existing skills, this is the complete training you need.
What you will learn:
This course takes you through the full window fitting process, starting with frame materials, window types, and site safety fundamentals. You'll learn how to read architectural drawings, take accurate measurements, and prepare openings correctly. The course covers frame installation for uPVC, aluminium, and timber systems, plus glazing unit handling and sealing techniques. You'll also fit and adjust all window hardware, apply internal and external finishes, and complete quality checks before client handover. Business skills, energy efficiency standards, and safe working at height are included to prepare you for real-world jobs.
How you study in practice Window Fitter Course
How you practise Window Fitter Course
For companies looking to train their teams
With Dedika for businesses, the course includes exercises and examples tailored to your company and its specific needs.
Course content
8 Chapters • 36 LessonsDuration between 4 and 360 hours (you decide)
Chapter 1HideHide detailsSee detailsIntroduction to Window Fitting Trade
Introduction to Window Fitting Trade
Lesson 1 • Health, Safety, and Regulatory Basics
Outlines compulsory safety obligations, personal protective equipment, and building regulation concepts. Compliance awareness is established before any practical activity.
Lesson 2 • Frame Materials and Their Properties
Examines uPVC, aluminium, timber, and composite frames. Students evaluate material strengths, thermal performance, and maintenance needs.
Lesson 3 • Window Types and Their Applications
Introduces casement, sash, tilt-and-turn, and fixed window types. Students match each type to appropriate building applications.
Lesson 4 • Overview of the Window Fitting Industry
Covers the trade's history, market segments, and career pathways. Establishes context so students understand where their skills fit professionally.
Chapter 2HideHide detailsSee detailsTools, Equipment, and Workspace Setup
Tools, Equipment, and Workspace Setup
Lesson 1 • Power Tools and Their Safe Operation
Covers drills, jigsaws, angle grinders, and screw guns. Correct guard use, speed settings, and pre-use checks are emphasised.
Lesson 2 • Measuring and Levelling Equipment
Teaches accurate use of spirit levels, laser levels, and plumb bobs. Precision measurement directly affects fit quality and weatherproofing.
Lesson 3 • Hand Tools for Window Installation
Identifies chisels, mallets, pry bars, and hand saws used in fitting. Students practise correct grip, technique, and safe storage.
Lesson 4 • Workspace Organisation and Site Safety
Establishes protocols for tool storage, debris management, and access control. An organised site reduces accidents and improves workflow.
Chapter 3HideHide detailsSee detailsReading Plans and Taking Measurements
Reading Plans and Taking Measurements
Lesson 1 • Producing Accurate Order Specifications
Translates field measurements into supplier order forms with correct deductions. Students practise completing specification sheets to industry standards.
Lesson 2 • Surveying Existing Window Openings
Teaches condition assessment of lintels, sills, and reveals before removal. Identifying structural issues early prevents installation delays.
Lesson 3 • Understanding Architectural Drawings
Decodes floor plans, elevations, and section views relevant to window openings. Students extract dimensions and specifications directly from drawings.
Lesson 4 • On-Site Measurement Techniques
Covers diagonal checks, reveal depth, and head-to-sill measurements. Consistent technique ensures frames are ordered to correct tolerances.
Chapter 4HideHide detailsSee detailsWindow Removal and Opening Preparation
Window Removal and Opening Preparation
Lesson 1 • Forming New Window Openings
Introduces cutting new openings in masonry and timber-frame walls. Temporary support and structural considerations are addressed throughout.
Lesson 2 • Safe Removal of Existing Windows
Details the sequence for removing glazing, beads, and frames without structural damage. Safe disposal and recycling of old materials are included.
Lesson 3 • Assessing and Repairing the Opening
Covers repair of damaged reveals, sills, and lintels before new frame installation. Structural integrity must be confirmed before proceeding.
Lesson 4 • Weatherproofing and Insulation Preparation
Applies damp-proof membranes, cavity closers, and insulation to prepared openings. These steps prevent thermal bridging and moisture ingress.
Chapter 5HideHide detailsSee detailsFrame Installation Techniques
Frame Installation Techniques
Lesson 1 • Installing uPVC Frames
Addresses uPVC-specific techniques including reinforcement checks and thermal expansion gaps. Students install and align multi-part uPVC assemblies.
Lesson 2 • Frame Positioning and Packing
Teaches placement of frames using packers to achieve level, plumb, and square alignment. Correct packer positioning prevents frame distortion under load.
Lesson 3 • Fixing Methods for Different Wall Types
Covers frame fixings into masonry, timber stud, and steel-frame walls. Fixing type and spacing are matched to wall construction and frame material.
Lesson 4 • Checking and Adjusting Installed Frames
Verifies installed frames against tolerance standards and corrects misalignment before glazing. Early correction avoids costly rework after glazing.
Lesson 5 • Installing Timber and Aluminium Frames
Covers pre-treatment, jointing, and fixing of timber frames alongside aluminium system assembly. Material-specific details ensure durability and performance.
Chapter 6HideHide detailsSee detailsGlazing and Sealed Unit Installation
Glazing and Sealed Unit Installation
Lesson 1 • Bead Glazing and Wet Glazing Methods
Covers snap-in bead glazing for uPVC and aluminium, plus wet glazing with putty or silicone. Each method is matched to frame type and exposure.
Lesson 2 • Setting Blocks and Glazing Packers
Teaches correct placement of setting blocks and edge packers to support glass loads. Improper block placement causes seal failure and glass stress.
Lesson 3 • Safe Handling and Lifting of Glass
Covers suction cup use, glass trolleys, and team-lift procedures for large units. Correct handling prevents breakage and personal injury.
Lesson 4 • Glazing Unit Types and Specifications
Distinguishes single, double, and triple glazed units, including low-emissivity and laminated glass. Students read unit specifications and verify deliveries.
Lesson 5 • Glazing Quality Checks
Verifies unit seating, bead retention, and absence of condensation between panes. Students document defects and initiate replacement procedures.
Chapter 7HideHide detailsSee detailsHardware Fitting and Window Operation
Hardware Fitting and Window Operation
Lesson 1 • Sash Window Weights and Balances
Covers cord-and-weight systems and spiral balances for sash windows. Correct balance selection ensures smooth, counterweighted sash operation.
Lesson 2 • Window Restrictors and Child Safety Devices
Fits restrictors and safety locks to limit opening width in compliance with fall-prevention requirements. Correct placement is verified by function test.
Lesson 3 • Hinge Types and Installation
Covers butt, friction stay, and egress hinges for casement and sash windows. Correct hinge placement ensures smooth operation and structural support.
Lesson 4 • Handles, Locks, and Security Hardware
Installs espagnolette locks, cockspur handles, and multi-point locking systems. Security hardware must meet applicable performance standards.
Lesson 5 • Hardware Adjustment and Fault Diagnosis
Diagnoses and corrects stiff operation, misaligned sashes, and lock engagement failures. Systematic adjustment prevents premature hardware wear.
Chapter 8HideHide detailsSee detailsSealing, Finishing, and Quality Assurance
Sealing, Finishing, and Quality Assurance
Lesson 1 • External Finishing and Weatherproofing
Applies external trims, render stops, and flashing to complete the weatherproof envelope. External finishes must integrate with the existing facade system.
Lesson 2 • Client Handover and Documentation
Prepares handover packs including warranties, maintenance guides, and compliance certificates. Clear documentation protects both installer and client.
Lesson 3 • Final Inspection and Testing
Conducts operational tests, air-tightness checks, and visual inspections against a quality checklist. Defects are recorded and resolved before handover.
Lesson 4 • Internal and External Sealing
Applies foam backing rod, silicone, and acrylic sealants to all frame-to-wall junctions. Correct sealant selection and tooling prevent air and water infiltration.
Lesson 5 • Fitting Internal Trims and Reveals
Covers plasterboard reveals, architrave, and window board fitting. Neat internal finishes protect the installation and satisfy client expectations.
Your valid completion certificate
This course is for you:
Career changer: looking to enter a skilled, in-demand construction trade quickly.
General labourer: ready to specialise and increase earning potential with certified skills.
Self-employed handyman: wanting to add professional window fitting to existing service offerings.
Construction student: building a broader skill set before entering the workforce full-time.
Renovation contractor: needing structured knowledge to handle window replacement jobs confidently.
Homebuilder or developer: aiming to understand installation standards and oversee fitting work effectively.
What our students say
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