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