5.2.1 Describe the types of window, skylight and door systems
Windows: wood, aluminum, vinyl, fibreglass
Skylight:
Doors
Awning
Tilt
Solid Wood
Casement
Fixed
Hollow Wood
Fixed
Egress window
Steel Polyurethane
Vertical single and double hung
Tubular
Steel Polystyrene
Hopper
Doors
Fibreglass