Sliding doors don’t encroach on living or outdoor areas, giving clean lines and high performance in windy spaces.


  • Large glass panels and narrow frames give unobstructed views when closed
  • Doors can be sized to any height and width
  • Flush sills increase indoor-outdoor flow
  • Option to slide away into a wall cavity or over the exterior to open up living spaces
  • The sliding panel/s can be internal or external, depending on the range.

Popular configurations:

A53
A67
A68

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


  • Moving panels glide easily
  • Work well in large spans
  • Free-swinging panels offer easy access
  • A layback option is available on some bi-fold configurations that allows two panels to fold against the adjoining wall.

Popular configurations:

A74
A73
A76

No grooves and a smooth surface deliver a clean and modern appearance in our French and hinged doors.


  • Open-out and open-in frames available
  • Single panels are ideal as utility doors
  • Multi-point locking available with most hardware options
  • Parliament hinges are available to allow a full 180 degree opening in brick veneer situations.

Popular configurations:

A38
A41
A48

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