Top 5 things you must ask about for double glazed windows Melbourne

Double glazed window is one of the most effective ways to improve the energy efficiency of your home in Melbourne. Before getting a quote, check out our top tips to ask about for double glazing.

Living in Melbourne comes with its fair share of weather challenges, from chilly winters to scorching summers. It’s four season in one day as we often say.

As homeowners, we’re always seeking ways to make our living spaces more comfortable and improve the energy efficiency of our properties. This is especially now more than ever with high energy prices and cost of living pressures.

Double glazed windows are one of the most effective ways to improve the energy efficiency of your home and as you’ll find out, our draught and acoustic seals dramatically improve the performance of double glazing.

You’ll also be excited to find out that we can double glaze old timber, wooden and sash windows; without intrusive changes to the window sash or frames.

Double glazing not only enhances the aesthetics of your home but improves its energy efficiency and overall comfort. This also adds significant value to your home on auction day, as you’ll often find real estate agents who highlight the fact “that this house has been Sealasashed.”

And whilst we only work with old wooden and timber windows, we can offer advice to help with the selection and quote on any double glazed windows in Melbourne.

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We repair and upgrade old timber, wooden and sash windows including draught & acoustic seals, and double glazed windows.

Our top 5 things to ask your glazier or window installer when getting a quote for double glazing in Melbourne

If you’re considering double glazing for your Melbourne house, here are the top things to look for:

Thermal Break in Double Glazed Window Frame

Melbourne’s weather can be unpredictable, with temperatures fluctuating throughout the year at any time. A crucial factor to consider when double glazing your home is the presence of a thermal break in the window frame.

A thermal break is a non-metallic, insulating material within the frame that helps prevent the transfer of heat or cold between the inside and outside of your home. It effectively minimises heat loss during winter and keeps your home cooler in summer, contributing to energy savings and year-round comfort.

Argon-Filled Void Between Glass Panes

The space between the two panes of glass in double glazing isn’t just empty; it’s typically filled with inert gases like argon. Argon is denser than air and has a lower thermal conductivity, meaning it reduces heat transfer more effectively.

When considering double glazing options, ensure that the void between the glass panes is filled with argon gas. This feature enhances the insulation properties of your windows, improving energy efficiency and helping to maintain a consistent indoor temperature.

It’s also worth mentioning that we have access to a brand new glass technology that uses a vacuum instead of a gas. Gas can unfortunately, leak over time. Whereas vacuum insulated double glazing actually out performs traditional triple glazing – you can learn more here.

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A typical UPVC double glazing is common in Melbourne, so are aluminium double glazed windows.

Low-E Glass Coating

Low-emissivity (Low-E) glass is another essential feature to look for when double glazing your Melbourne home. Low-E coatings are thin, transparent layers applied to the surface of the glass.

They help to reflect heat back to its source, whether it’s the sun in summer or internal heating in winter, while still allowing natural light to enter your home. This reduces the amount of heat that enters or escapes through your windows, making your home more energy-efficient and comfortable year-round.

Quality Draught Seals For Double Glazed Windows (AND DOORS!)

Proper sealing is vital to the overall effectiveness of double glazing. Ensure that the windows you choose come with high-quality seals to prevent air leakage and moisture ingress. Faulty seals can compromise the insulation properties of your double glazing, leading to energy loss, condensation buildup, and potential damage to your home’s interior.

Investing in windows with durable seals and gaskets will not only improve energy efficiency but also prolong the lifespan of your double glazing system. This is particularly important for old timber and wooden windows where draught and acoustic seals can make all the difference in the energy efficiency of the overall window.

It’s often more important to focus on the draught seals before tackling the glass – you can learn more here.

Professional Installation

Even the highest-quality double glazing won’t perform optimally if it’s not installed correctly. When selecting a double glazing provider in Melbourne, prioritise companies with a reputation for professional installation services.

Experienced installers will ensure that your windows are fitted correctly, with proper insulation and airtight seals. This not only maximises the energy-saving benefits of double glazing but also minimises the risk of issues such as drafts, water leaks, and condensation problems which can lead to more expensive repairs.

With Sealasash, we can make your 100 year old timber, wooden and sash windows last another 100 years.

You’ll also find that preserving the heritage windows in your old home will hold more value than replacing them. We’ve found that real estate agents will actually mention that “this home has been Sealasashed” demonstrating the additional value of repairing and upgrading your old timber, wooden and sash windows.


We are double glazing experts in Melbourne, Victoria

With 150+ verified reviews and over 20,000 windows upgraded to date we are experts in the repair and double glazing of old wooden, timber and sash windows.

  • For double glazed windows in St Kilda, Melbourne
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Summary of top tips for selecting double glazing in Melbourne

Double glazing is a valuable investment for homeowners in Melbourne looking to improve energy efficiency, enhance comfort, and reduce utility costs. It’s right up there with other improvements that create instant impacts like roof and wall insulation.

By prioritising features such as thermal breaks, argon-filled voids, low-E glass coatings, quality seals, and professional installation, you can enjoy the full benefits of double glazing for many, many years to come. This will reduced power bills, create more stable temperatures inside your home, reduced noise and make for more efficient heating and cooling.

When getting a quote for double glazed windows in your home in Melbourne, take the time to research and choose the right double glazing solution for you.

If you would like to talk to a timber window expert who understands all your options, and who will listen to your priorities, then please don’t hesitate to contact us.

Looking for double glazing for your sash windows or wooden windows?

Sealasash can double glaze your old timber, wooden and sash windows with new high-performance glass.  We also upgrade windows to include draught and acoustic seals that further improve the comfort and energy efficiency of your windows. 

Learn more about Sealasash:

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Vacuum Insulated Double Glazing

Our ultra-high performance double glazing fits perfectly within your existing timber work, eliminating any bulky or expensive modifications.

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Fix Those Annoying Rattles

With our draught and acoustic seals you’ll achieve amazing new comfort levels by reducing infiltration of outside air, noise and dust without the annoying rattles.

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Using traditional craftsmanship and modern materials, we’ll restore your windows and make them better than new.  This includes high-performance double glazing and draught seals that will dramatically improve the comfort and energy efficiency of old timber, wooden and sash windows.