3. Chapter 5: Doors and Windows

  • Functions: Entry/exit, ventilation, lighting, security.

  • Materials:

    • Wood (traditional and aesthetic)

    • Aluminum (lightweight and corrosion-resistant)

    • UPVC (durable and low maintenance)

  • Components:

    • Frame, shutters, hinges, locks, lintels.

  • Installation Considerations:

    • Proper alignment

    • Waterproofing

    • Thermal and acoustic insulation