Windows

Double Glazing Folding Doors

Double glaze your existing folding doors without replacing the frames, panels, or track system. We install custom-fabricated, high-performance sealed units that upgrade your folding doors into a high-performing thermal and acoustic barrier while retaining full movement and function. 

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Double Glazing Cost Calculator

$1,800 to $2,800

Per Set

Per set, depending on size. Price above includes Economy ThermoTech™ glass as standard - see other glass options below or use our double glazing cost calculator for an approximate price for your project.

  • Double Glazed unit, fully installed within existing frame
  • Beading replaced with new hardwood beads
  • Folding door rehung retaining operation
  • Removal and recycling of old glass

Glass Options

Most popular

Economy ThermoTech™

$285 /sqm

U-VALUE
2.5

SHGC / VLT
0.71 / 78

WARRANTY
10 yr

  • Two sheets 4mm glass
  • 12mm argon gap
  • Doubles energy efficiency
  • Australian made
Most popular

LightBridge / Optitherm™

$395 /sqm

U-VALUE
1.4

SHGC / VLT
0.59 / 79

WARRANTY
10 yr

  • Toughened 4mm glass
  • Argon gap
  • Low-E coating
  • Grade A safety glass
Best for noise

LightBridge Next / Optitherm Hush™

$455 /sqm

U-VALUE
1.4

ACOUSTIC
RW38

WARRANTY
10 yr

  • 6.5mm VLam Hush layer
  • Thermal spacer + argon
  • UV protection (<1% trans)
  • Impact-resistant laminate
Best for heritage

Ultimate Performance VIG

$895 /sqm

U-VALUE
0.4

THICKNESS
8.3mm

WARRANTY
15 yr

  • Vacuum insulated glass
  • Titanium seal, 0.3mm gap
  • Reduces heat loss 93%
  • Grade A safety glass

Other door styles

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Sliding Doors

From $1,700

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frenchdoors322x200

French Doors

From $1,700

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Front Doors

From $700

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