ENERGY & THERMAL

Low-E Double Glazing | Performance Solutions

High performance soft coat double glazing for residential and commercial projects around Australia

InsulCool Ultra Series feature soft coat low-e performance glass to deliver outstanding VLT and SHGC outcomes in residential or commercial settings. Chemically bonded, reactive thermoplastic ('warm-edge') spacers are extruded to the glass via CNC. Warm edge spacers achieve permanent Argon gas tightness for incredible durability and thermal performance.

All InsulCool units are Australian manufactured and certified to AS4666 standards.

Explore Double Glazing Solutions

Select from a pre-configured range of makeups designed to achieve specific thermal performance required by the unique range of Australian climates. For custom configurations to meet exacting performance requirements, InsulCool Double Glazing offers a completely customisable solution.

Energy & Thermal

Cool-E | Hard Coat Low-E Glass

Hard coat Low-E glazing that balances performance with cost.
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Energy & Thermal

Insulcool Double Glazing

Customisable double glazing configurations for commercial and residential projects
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Energy & Thermal

Insulcool Ultra Plus Double Glazing

Exceed 2025 NCC requirements with Ultra Plus Low-E Double Glazing. Ultra Plus delivers incredibly low U-values and SHGC while maintaining excellent visible light transmission for superior efficiency.
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Energy & Thermal

Insulcool Ultra Pro Double Glazing

Double silver soft coat Low E double glazing configured for the coldest Australian climates
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Energy & Thermal

Insulcool Ultra Light-E Double Glazing

Single silver soft coat Low E for entry-level thermal performance
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Energy & Thermal

Insulcool Ultra Cool-E Double Glazing

Double silver soft coat Low E for intermediate thermal performance
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Compare Low-E Performance Data

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VISIBLE TRANS.
SOLAR TRANS.
U-VALUE
SHGC
SC
Cool-E
12.38mm Cool E Neutral
59
37
3.88
0.5
0.57
Hard Coat
Single Glazed
Cool-E
10.38mm Cool E Neutral
61
40
3.9
0.52
0.59
Hard Coat
Single Glazed
Cool-E
6.38mm Cool E Neutral
60
40
3.98
0.52
0.6
Hard Coat
Single Glazed
Cool-E
12.38mm Cool E Clear
80
56
3.5
0.63
0.72
Hard Coat
Single Glazed
Cool-E
10.38mm Cool E Clear
81
61
3.52
0.67
0.77
Hard Coat
Single Glazed
Cool-E
6.38mm Cool E Clear
82
65
3.6
0.7
0.8
Hard Coat
Single Glazed
Cool-E
6mm Cool E Solar Neutral
44
24
3.99
0.35
0.41
Hard Coat
Single Glazed
Cool-E
6mm Cool E Grey
39
36
3.7
0.47
0.54
Hard Coat
Single Glazed
Cool-E
6mm Cool E Neutral
61
43
4.07
0.53
0.61
Hard Coat
Double Glazed
Cool-E
10mm Cool E Clear
79
58
3.59
0.64
0.74
Hard Coat
Single Glazed
Cool-E
8mm Cool E Clear
82
66
3.61
0.7
0.8
Hard Coat
Single Glazed
Cool-E
6mm Cool E Clear
82
67
3.61
0.7
0.81
Hard Coat
Single Glazed
Cool-E
5mm Cool E Clear
82
68
3.62
0.72
0.82
Hard Coat
Single Glazed
Cool-E
4mm Cool E Clear
83
70
3.65
0.73
0.84
Hard Coat
Single Glazed
Cool-E
6mm Cool E Solar Neutral / 12mm / 6mm Clear
39
21
1.8
0.28
0.32
Hard Coat
Double Glazed
Cool-E
6mm Cool E Grey / 12mm / 6mm Clear
35
29
1.64
0.39
0.44
Hard Coat
Double Glazed
Cool-E
6mm Cool E Neutral / 12mm / 6mm Clear
55
36
1.84
0.45
0.52
Hard Coat
Double Glazed
Cool-E
10mm Cool E Clear / 12mm / 10mm Clear
70
46
1.58
0.56
0.64
Hard Coat
Double Glazed
Cool-E
8mm Cool E Clear / 12mm / 8mm Clear
73
53
1.59
0.62
0.71
Hard Coat
Double Glazed
Cool-E
6mm Cool E Clear / 12mm / 6mm Clear
74
55
1.58
0.63
0.72
Hard Coat
Double Glazed
Cool-E
5mm Cool E Clear / 12mm / 5mm Clear
75
57
1.59
0.64
0.74
Hard Coat
Double Glazed
Cool-E
4mm Cool E Clear / 12mm / 4mm Clear
75
60
1.6
0.66
0.76
Hard Coat
Double Glazed
Ultra Cool-E
6mm Ultra Cool E / 12mm / 6mm Clear
68
29
1.34
0.32
0.37
Soft Coat
Double Glazed
Zones 1-6: Humid, Hot, Warm
Ultra Pro
8mm Ultra Pro 52 / 12mm / 8mm Clear
49
21
1.33
0.25
0.29
Soft Coat
Double Glazed
Zones 7-8: Cool to Alpine
Ultra Pro
6mm Ultra Pro 52 / 12mm / 6mm Clear
50
21
1.34
0.25
0.29
Soft Coat
Double Glazed
Zones 7-8: Cool to Alpine
Ultra Pro
6mm Ultra Pro 61 / 12mm / 6mm Clear*
60
26
1.35
0.3
0.35
Soft Coat
Double Glazed
Zones 7-8: Cool to Alpine
Ultra Plus
8mm Ultra Plus 60 / 12mm / 8mm Clear
59
23
1.33
0.26
0.3
Soft Coat
Double Glazed
Zones 1-6: Humid, Hot, Warm
Ultra Plus
6mm Ultra Plus 60 / 12mm / 6mm Clear
60
24
1.34
0.26
0.3
Soft Coat
Double Glazed
Zones 1-6: Humid, Hot, Warm
Ultra Cool-E
8mm Ultra Cool E / 12mm / 8mm Clear
66
28
1.33
0.32
0.37
Soft Coat
Double Glazed
Zones 1-6: Humid, Hot, Warm
Ultra Light-E
5mm Ultra Light E / 12mm / 5mm Clear
81
54
1.37
0.57
0.66
Soft Coat
Double Glazed
Zones 1-6: Humid, Hot, Warm
Ultra Light-E
6mm Ultra Light E / 12mm / 6mm Clear
80
53
1.36
0.57
0.65
Soft Coat
Double Glazed
Zones 1-6: Humid, Hot, Warm
Ultra Light-E
8mm Ultra Light E / 12mm / 8mm Clear
79
51
1.35
0.56
0.64
Soft Coat
Double Glazed
Zones 1-6: Humid, Hot, Warm
Ultra Light-E
4mm Ultra Light E / 12mm / 4mm Clear
81
54
1.37
0.57
0.66
Soft Coat
Double Glazed
Zones 1-6: Humid, Hot, Warm
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LOW-E DOUBLE GLAZING CASE STUDY

Ultra Cool-E: Building 360 – Boola Katitjin, Perth

Murdoch University’s Building 360 – Boola Katitjin combines mass engineered eucalypt timber with high performance soft coat double glazing. Cooling Brothers partnered with ABS Facades to supply UltraCool-E double glazed units as part of the main events area located at the northern end of the national award-winning building.

View Case Study

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Energy & Thermal

High-performance IGU and Low-E glass solutions are designed to improve thermal efficiency, reduce solar heat gain, and help projects meet NCC energy compliance — without compromising clarity or design.
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Decorative & Digitally Printed Glass

From digitally printed artwork to vibrant interlayers and textured finishes, our decorative glass transforms façades and interiors into visually striking architectural features with lasting impact.
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Acoustic & Security

Engineered for high-risk environments, our laminated acoustic and security glass solutions offer certified performance for acoustic control, forced entry resistance, and safety in health, correctional, and public settings.
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Curved & Specialty Glass

Browse custom laminate solutions and annealed, toughened and laminated curved glass from Australia's leading manufacturer - Bent & Curved Glass.
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Balustrades and Fencing

Engineered frameless and structural glass for balconies, staircases, and pool enclosures, combining safety compliance with clean, uninterrupted views in residential and commercial applications.
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Glass for Interiors

Our interior glass range includes custom shower screens, partitions, mirrors, and printed feature panels — tailored for style, privacy, and functionality in residential and commercial fit-outs.
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We provide standard samples free of charge to building industry and visual arts professionals. Vanceva and custom samples may incur a small processing charge. If you have a retail enquiry, we have a full range of samples available for viewing on appointment. Please contact us to arrange a viewing with your closest sales representative.
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