ABOUT

DOUBLE GLAZING

GLASS + FRAMES

Double Glazed
Glass Unit &
insulated uPVC
frame

INSULATION

Temperature

Double Glazing helps to harness the elements to maintain your ideal temperature all year round

Sound

Double Glazing works as an insulator to reduce unwanted noise

HOW DOES DOUBLE GLAZING WORK?

Double glazed units are insulated just like the doona on your bed or fiberglass batts – if you shake up your doona, it adds air between the fillings which increases your insulation.  If you squash your batts, the air is reduced and they become less of an insulator.

With double glazed units, there are two panes of glass and in between the glass units is trapped air that is often filled with argon gas.  These units are sealed and arrive on site as one unit.

In Canberra, it is important to get as much of the winter sun into your home as possible so that you receive free heating.  The sun will enter your windows as a shortwave and then once inside will convert to a long wave.  Your heating inside your home is already a long wave.

Glass is a good heat conductor and if the window is single glazed, the heat will transfer readily to the outside.  You may notice in your single glazed home that by 4pm, the home gets cooler and you need to turn on your heating – this is because your heat from the sun is traveling back out the window and as the sun is going down, there is no more heat coming in.

With double glazing, the air trapped inside the double glazed units is a poor conductor.  If you have argon, it is a viscous gas and is denser than air.  It would be like a top of the range doona with lots of air pockets.  The trapped air (gas) sets up insulating protection between cool air on one side and warm air on the other.  This is why your home stays warm in winter.

The opposite works in summer.  We recommend that once the cool night air arrives, you open all your windows and doors and trap the cool air inside.  Close them before retiring for bed and the cool air will remain in your home.

We liken double glazing to an esky.  If the esky has warm things inside, they will stay warm.  If there are cool things inside, they will stay cool.  This is the same with your home.

BENEFITS

  • COMFORT
  • The main benefit of double glazing is comfort
  • QUIET
  • Acoustic glass and frames will make your home a quiet haven
  • SAVE ENERGY
  • Save money with reduced heating and cooling usage
  • CUSTOM DESIGN
  • Designer windows and doors tailored to your home
  • FUNCTIONALITY
  • Airflow, practicality and style are all achieved with the right windows and doors
  • TEMPERATURE
  • Create consistent temperatures in your home

Source: The Australian Window Association

The angle that solar radiation (sun) strikes the
glass has a major impact on the amount of heat
that is transmitted into your home.  Eaves will
help you to manage this.

Source:  yourhome.gov.au/passive-design/glazing

The National Construction Code requires us to insulate our walls, ceiling, and floors but we can still put a single piece of uninsulated glass next to those spaces and it passes the building inspection.

Double glazing provides the necessary insulation for the window and door spaces in residential and commercial buildings. Double glazing is perfect for the Canberra environment as we don’t generally get temperatures lower than minus 7 degrees.  Triple glazing is considered overkill for our climate in most applications.

Double Glazing is essentially two panes of glass in an air-tight unit, with an air gap in-between, and this creates insulation for both temperature and sound.

As we heat our homes about 8 months of the year, we need to make sure that we are making the most of the free sun.  Therefore, Canberra’s ideal glass unit is two panes of 4mm glass with a 16mm airgap in between, and argon filled.  For elevations such as east and west, applying a low emissivity glass will help to maintain the home’s temperatures when the morning and afternoon sun is the hottest.

Double Glazing is most beneficial when paired with insulated frames.  Standard double glazed aluminium will provide some benefit but will not be as good as having an insulated frame as well. Solace Creations only offers insulated frames aside from our retro-fit solution TwinGlaze.

WHY DOUBLE GLAZE IN CANBERRA?

We live in one of the coldest places in Australia and yet we are still single glazing our homes.

“Compared to Australia’s other capital cities, Canberra is unique. It has the fewest average rain days each year and is the country’s third-sunniest capital, but also freezes through an average of 99 frost days and 44 fog days each year. In summer it’s much hotter than its big neighbours to the north and south, and in winter it’s significantly cooler. Sometimes it even snows. “

By insulating and sealing the whole building envelope, you will have a very comfortable home that is warm in winter, cool in summer, quiet and with no draughts. The bonus is that your energy bills will be low and our planet will benefit from the complete insulation as well as your bank account.

Energy prices are set to keep rising. In 2017, Canberra residents experienced a 19% increase in electricity and 17% increase in gas. Double glazing your windows and doors will help you to lower your bills and also provide a home that is very comfortable.

Solace Creations Double Glazing has been helping the Canberra community since 2006 to have a more comfortable home. We can show you how to manage your budget when building a new home or renovating and provide advice on the best window types and styles for your home.

Our extensive experience in both the replacement and the new home market gives you the peace of mind in knowing that your investment in double glazing will be professionally installed and built to the highest standards, giving you years of energy efficient comfortable living.

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INSULATION

TEMPERATURE

uValue refers to how well the window/door is insulated. The lower the rating, the better the energy efficiency.
Our uPVC windows and doors can range from a 1.3 -2.6 uValue depending on the glass makeup.

Standard double glazed units of 4mm/16mm argon/4mm will provide a great outcome, however, you can get better insulation or protection from the heat with some of the following solutions:

Solar Heat Gain Coefficient (SHGC) is the amount of heat that is transmitted and absorbed into your home.  An average SHGC for our double glazing is between 0.43 and 0.61, varying with different glass.  This is tailored to your home’s requirements.

The glass makeup of the Double Glazed Unit (DGU) and the air gap can affect the uValues and SHGC. For example, using a soft coat Insulglass Max® 564 on the East and West side of the home will help deflect about 60% the heat in the summer.  However, if you want to up the ante on your window and door insulation then having a Insulglass Plus® – 4mm on the whole house will not only increase your uValue, it will also protect you from the summer sun entering your home.

Our brands and manufacturers can be found on www.wers.net with specs on uValues and SHGC.

SOUND

The frames, glass and surrounding walls are all important to work on if you want to manage unwanted noise. Noise will get through any weakness so having frames and glass that are uninsulated won’t provide the best outcome. Insulated frames, double glazing and insulated walls will aid in reducing unwanted noise.

The majority of our opening styles are rated to eliminate noise as they have compression and dual seals with the ability to customise glass to suit different noise frequencies. Hinge windows and doors outperform sliding windows and doors. However, they are far better than aluminium sliding windows and doors in terms of noise performance.

Australian Glass Group makes a product called Audioshield that is a laminated glass consisting of a sound insulating core interlayer that can quieten the hustle and bustle around you by up to 34%* compared to Single Glazed Glass.  This allows you to enjoy your peace and tranquillity.  Audioshield works with three-layer extrusion technology for a dramatic improvement in sound insulating performance and can be used for Windows and Doors for residential and commercial applications. Audioshield looks and performs like a standard laminate offering improved safety, without the bulk or optical distortion.

Audioshield has the flexibility of customisation to meet energy requirements, using tints and Low E glass. A complete solution to make your home a sanctuary.

*comparing 75dB of external noise to Living & Working Environment noise requirement of 40-50dB – Click for source 

FAQ

Will the sun still come in through my double glazed windows?

If you use clear glass in a double glazed unit, the sun will still come in.
Single glazed windows do let a more sun in (77%) than double
glazing (61%), however, double glazing will retain the heat in your home.

The west side of our home gets hot in the afternoon, what can I do?

This is where low emissivity (or soft coat lowe glass) coatings come into play.
LowE glass has a microscopically thin, transparent coating—it is much
thinner than a human hair and it reflects long-wave infrared energy back into your home
(or heat). Some lowe’s also reflect significant amounts of short-wave
solar infrared energy and this depends what surface the low-e is put on.

How do I stop my room from getting too hot in summer?

Shading is the ideal way to block the sun from heating up your
room.  This could be with eaves or a pull down blind on the
outside. Low e glass is available and this will help deflect the heat on
sides that don’t receive a winter benefit.

How do I stop my furnishings from fading from the sun?

With the double glazed unit, we would put a 6.38 laminate on
the outside pane and a 4mm on the inside pane.  The laminate
provides a 99.9% protection over UV entering your home that
causes fading.  The 6.38 laminate also makes your home quieter
and provides protection against breakage providing better security.

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