Blog

Magnetite Sydney has moved to Kingsgrove.

Jan 24, 2018

New Year, New Home

Magnetite Sydney has moved to Kingsgrove. Exciting things have been happening at Magnetite head office and warehouse in the last few months. We want to share the big news with ...

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Oct 31, 2017

Is your window energy-efficient?

Window creates harmony between the outdoor and indoor space, through the light they let in and the view they reveal. Yet, a window is the most vulnerable element of the ...

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Apr 28, 2017

Getting to Know the Passive House Concept Part 1

Derived from German Passivhaus, Passive House is a construction concept that aims to reduce the ecological footprint and energy consumption of a house with a focus on delivering high thermal ...

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Feb 17, 2017

Katie Kelly won the 2017 Sir Roden Cutler Award

We are so proud to have been alongside Katie Kelly last night when she won the 2017 Sir Roden Cutler Award. The award was presented last night by Sports Minister, ...

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Oct 27, 2016

Magnetite Quote and Measure Review : "...incredibly impressed"

The good buzz from our happy customers (and customers-to-be) is making our ears ring and we just had to share it. This morning, we received this encouraging feedback from a ...

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Oct 21, 2016

Walk, Run or Ride for the Community: The 2016 Coleman Greig Challenge

Magnetite joined Paralympian, Katie Kelly at the 2016 Coleman Greig Challenge. It was our first time taking on the challenge to walk, run or ride and fundraising for newborns and ...

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Sep 22, 2016

Katie Kelly makes history winning first paratriathlon gold in Rio

It has been a thrilling time for all of us at Magnetite. Australia's Katie Kelly won the first para-triathlon gold medal at the sports debut at the Paralympics in Rio. ...

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Sep 12, 2016

We're at the Sydney Better Homes and Gardens Live this weekend

Get your hands on our products at Better Homes and Gardens Live this weekend. This will be a great opportunity for you discover your solution for comfortable living. We will ...

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Sep 7, 2016

Take a look inside Australia's sustainable homes at the Sustainable House Day

125 private houses across Australia will be opening their doors this Sunday, 11 September for the 15th annual Sustainable House Day. Eco-interested visitors are invited to take a closer look ...

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Magnetite Featured at 2016 Sydney HIA Home Show

May 23, 2016

Save up to $500 at the 2016 Sydney HIA Home Show

The countdown to this year's HIA Sydney Home Show has begun. It kicks off this Thursday 26th May. If you haven't, register today for your free tickets: http://bit.ly/1SXE97D Magnetite will feature ...

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Feb 25, 2016

Katie Kelly's Road to Rio: One step closer to the 2016 Rio Paralympics! Featured

Less than a year ago, Katie Kelly was classified as legally blind; today she is the proud owner of four gold medals and the defending World Champion Par-athlete. Being the ...

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Feb 19, 2016

Magnetite Supports Katie Kelly on Her Road to the Rio 2016 Paralympics

Sydney, February 2016: Magnetite is on board with Australian and World Champion Paratriathlete (PT5) Katie Kelly. Katie Kelly was born with hearing loss and in her mid-20s, she was diagnosed ...

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Glazing Type	Cooling Stars	Heating Stars	Cool%	Heat%	Uw	SHGC
Single glazed 3mm clear glass*					7.4	0.77
Single glazed 3mm clear glass & 4.5mm Magnetite			35%	59%	2.9	0.67

Glazing Type

Cooling Stars

Heating Stars

Cool%

Heat%

SHGC

Single glazed 3mm clear glass*

7.4

0.77

Single glazed 3mm clear glass &
4.5mm Magnetite

35%

59%

2.9

0.67

Glazing Type	Cool%	Heat%	Uw	SHGC
Single glazed 3mm clear glass*	20%	28%	5.5	0.69
Single glazed 3mm clear glass & 4.5mm Magnetite	37%	61%	2.6	0.66
Single glazed 3mm clear glass with Solartite** and 4.5mm Magnetite	76%	45%	1.8	0.20

Glazing Type

Cooling Stars

Heating Stars

Cool%

Heat%

SHGC

Single glazed 3mm clear glass*

20%

28%

5.5

0.69

Single glazed 3mm clear glass &
4.5mm Magnetite

37%

61%

2.6

0.66

Single glazed 3mm clear glass with
Solartite** and 4.5mm Magnetite

76%

45%

1.8

0.20

Glazing Type	Cooling Stars	Heating Stars	Cool%	Heat%	Uw	SHGC	AI
Double Glazed 3mm clear glass/12mm air gap/3mm clear glass IGU (Insulated Glass Unit)*			40%	55%	3.0	0.61	5.0
Single glazed 3mm clear glass & 4.5mm Magnetite			37%	61%	2.6	0.66	0.5

Glazing Type

Cooling Stars

Heating Stars

Cool%

Heat%

SHGC

Double Glazed 3mm clear glass/12mm air
gap/3mm clear glass IGU (Insulated Glass Unit)*

40%

55%

3.0

0.61

5.0

Single glazed 3mm clear glass &
4.5mm Magnetite

37%

61%

2.6

0.66

0.5

Glazing Type	Cooling Stars	Heating Stars	Cool%	Heat%	Uw	SHGC	AI
Double Glazed 5mm Supertoned glass/6mm air gap/5mm clear glass IGU (Insulated Glass Unit)*			54%	425%	3.30	0.461	5.0
Single glazed 3mm glass Solartite** and 4.5mm Magnetite			73%	38%	2.4	0.19	0.5

Glazing Type

Cooling Stars

Heating Stars

Cool%

Heat%

SHGC

Double Glazed 5mm Supertoned glass/6mm
air gap/5mm clear glass IGU (Insulated Glass Unit)*

54%

425%

3.30

0.461

5.0

Single glazed 3mm glass Solartite**
and 4.5mm Magnetite

73%

38%

2.4

0.19

0.5

Noise Reduction Technical Data and Results

Proven Results

Noise pollution is one the biggest problems faced in the cities today, particularly in a high-density living. Unwanted noise can be responsible for sleep loss and lack of concentration. This can lead to a deterioration of health through increased stress levels, headaches, high blood pressure and loss of hearing.

Noise penetrates windows through leaky seals or vibrations through the window structure. To reduce noise, a window should minimise air infiltration, hold enough weight to limit vibration and allow a large air cavity. This cavity, or air gap, is the key to secondary glazing.

Expert Advice:

CSIRO Research by John Davy shown an air cavity can effectively enhance sound insulation performance. The larger the air cavity the more noise the window system can reduce. Results show a wide air gap of 100-125mm will improve sound insulation by an average of 7dB(A) more than windows with a narrow gap of 8-13mm.

Window or Glass Door Type	Total Glass Thickness (mm)	Air Cavity Thickness (mm)	Sound Insulation (dB)
Single Glaze 3mm	3	0	23
Single Glaze 6mm	6	0	27
Double Glaze Narrow Gap	9-12	8-13	31
Double Glaze Wide Gap	9-12	100-125	38

Window or Glass Door Type

Total Glass Thickness (mm)

Air Cavity Thickness (mm)

Sound Insulation (dB)

Single Glaze 3mm

Single Glaze 6mm

Double Glaze Narrow Gap

9-12

8-13

Double Glaze Wide Gap

9-12

100-125

The human ear is less sensitive to low frequency sound. According to a study released by the CSIRO, the human ear needs a change of 3dB to detect a difference in noise levels and the human ear perceives a change of 10dB as a doubling or halving of the noise level.

If you double the thickness of glass in a window the noise level will decrease by 3dB the least amount possible to make a difference. If the glass is laminated there is no perceived difference in noise reduction.

National Acoustic Laboratory Testing:

Working with the principles of noise transfer, Magnetite® and Soundtite are designed for high performance, which is achieved by combining air tight seals with the ability to maximize an air cavity and the flexibility to vary glazing thickness to suit. Magnetite® is excellent at reducing general noise such as busy roads, commuter trains and noisy neighbours. Whereas, Soundtite works well to combat low frequencies noise such as garbage truck, freight trains or airplane during take-off and landing.

Test Code	Material Tested	Rw*	Improvement
ATF 707 (test window)	Aluminium sliding window, 3mm float glass with mohair seals	23	N/A
ATF 709	Test window, 100mm air gap and Magnetite System (4.5mm acrylic panel)	35	52%
ATF 1507	Test window, 100mm air gap and Magnetite System (10.0mm acrylic panel)	39	70%
ATF 817	Test window, 100mm air gap and Soundtite (6.38mm laminated glass)	41	78%

Test Code

Material Tested

Rw*

Improvement

ATF 707 (test window)

Aluminium sliding window, 3mm float glass with mohair seals

N/A

ATF 709

Test window, 100mm air gap and Magnetite System (4.5mm acrylic panel)

52%

ATF 1507

Test window, 100mm air gap and Magnetite System (10.0mm acrylic panel)

70%

ATF 817

Test window, 100mm air gap and Soundtite (6.38mm laminated glass)

78%

*The Weighted Sound Reduction Index (Rw) is a measure for sound insulation performance of a single building element such as windows. The higher the Rw rating, the better the sound insulation.

Blog

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