Contemporary Aluminium Windows and Doors for your lifestyle

Thermally Broken Sliding Door

Designer Series ThermalHEART™ | Series 731

Thermally Broken Sliding Door

Choose Vantage® ThermalHEART® thermally broken sliding doors for a perfect balance of energy-efficiency and style. It’s the best of both worlds!

  • Thermal insulation strip minimises the transfer of heat and cold.
  • Big, bold frames span wide openings up to 12 metres wide and 3 metres high.
  • Low Uw values deliver excellent insulation.
  • Combined with double-glazing they’re up to 33% more energy efficient than traditional double-glazed sliding doors.
  • Sliding panels run on heavy duty rollers for a lifetime of easy, smooth operation.
  • Unused frame tracks are filled with snap-in fillers for a neat, tidy appearance.
  • Sill can be recessed into a slab for a beautiful flush threshold.
Maximum Panel Height* 2937mm
Maximum Panel Width* 1995mm
Maximum Glass Thickness ≤ 32mm
SHGC Range 0.14 - 0.59
Uw Range 2.3 - 5.1

Why Choose ThermalHEART Sliding Doors

Maximise Energy Efficiency

Maximise Energy Efficiency

ThermalHEART Sliding doors are up to 33% more energy efficient than similar double glazed sliding doors, saving you $$$

Bold panels to frame your view

Bold panels to frame your view

Our ThermalHEART Sliding door panels can be made big! up to 3m high and 1.5m wide

Compatible with Centor Screens

Compatible with Centor Screens

Fit centor screens for the ultimate solution

Flush Sill

Flush Sill

Install sills flush with the floor, minimise trip hazards and create a seamless transition to the outdoors



Compatible hardware

Vantage® handles and locks which suit the Thermally Broken Sliding Door.


Complementary products

AWS complementary product options designed for use with Thermally Broken Sliding Door.




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