Awning and casement windows have a classic look that is versatile and provides good airflow.

  • The awning format allows for opening even when it’s raining
  • Combine with other formats or fixed windows
  • Height and width are fully customisable
  • Options available to incorporate passive ventilation.

Popular Awning & Casement window configurations:


Sliding windows allow plentiful light and air into your home.

  • Excellent for large spans and servery windows
  • The big glass panels and narrow interlocking frames maximise your view
  • Available in stacked or bi-parting configurations
  • The sliding panel/s can be inside or outside depending on the range.

Popular Sliding window configurations:


Bi-fold windows fold open to give you a clear opening and maximum airflow.

  • Moving panels glide easily
  • Work well in large spans
  • A layback option lets you fold the panels back against adjoining walls.

Popular Bi-fold window configurations:


Different shapes, sizes and configurations can be created to fit your home.

  • Curved tops, angles and louvres are possible
  • Need more light? Greenhouse, box and bay windows let the light in and add space

Roof windows allow natural light into your home and can increase ventilation. A range of sizes are available, with options for partial opening with some rain protection.

  • A thermal break reduces condensation and retains interior heat
  • Dual colour allows you to match the roof and interior colours
  • Choose from manual or electric opening models
  • Fixed option also available.

Find the ideal colour selection for your home

Altherm Design Box
The Altherm Design Box is jam-packed full of our bespoke product brochures, up to 3 aluminium colour samples of your choice and a step-by-step guide beautifully packaged in our Altherm box for a seamless decision making process from the comfort of your own home, and in your own time.
Order your free box now