TDouble glazing is installed in a wide proportion of properties these days and for good reason too! It’s energy efficient, more secure, reduces noise and more.
Whilst it offers all the benefits, in this blog we will explore how long double glazing actually lasts.
We’ll cover several things including the likes of:
Average lifespan of double glazing
Factors affecting the longevity of double glazing
signs your double glazing may need replacement
How to maximise the lifespan of your double glazing
Repair vs. replace: which is best?
Looking for an immediate quotation for double glazing?
Call us on 0800 612 2127 or use the contact form and we’ll get in touch promptly.
Average Lifespan of Double Glazing
On average, double glazing lasts between 20 and 35 years.
However, this is a broad estimate that depends heavily on several factors. Some high-quality systems may exceed this range, while poorly manufactured or installed ones may require replacement sooner.
You must ensure that over time, the seals around the edges of the units are kept or replaced. The frames must be durable and maintained regularly and we would always recommend going for double glazing with more quality glass to enhance the lifespan.
Factors Affecting the Longevity of Double Glazing
This seems a pretty simple thing to say but of course if you purchase double glazing units that are better quality to begin with then you are more than likely to see them last longer.
Ensure the materials are to your standard and specifications. Check the glass, frames, seals and more.
Another factor affecting the longevity of double glazing is the initial standard of the installation. Poor installation can significantly reduce the lifespan of double glazing. Properly installed windows create a tight seal, ensuring thermal insulation and preventing water problems.
The third factor would be how much work is put into the maintenance of your double glazing. We would highly recommend routine maintenance to extend the life of your units. Clean them using non-abrasive cleaners to remove dirt, grime and debris that can collect.
Inspect the seals whilst you’re cleaning too for any signs of cracking or wear and tear. Should you find any problems, address them quickly so they don’t get worse. If your windows have hinges or locking mechanisms, ensure these are lubricated to prevent stiffness or damage.
If environmental factors remain a concern for you then this may affect the lifespan of your double glazing. For example if your property is exposed to prolonged periods of sunlight then UV rays can cause discolouration or warping. Living by coastal areas will likely mean you face challenges from salt corrosion which will affect seals and frames.
In addition, areas with extreme temperature changes may experience more stress on the seals, increasing the risk of failure. As always though, if you look after your double glazing and inspect it a lot you will catch things early so you can treat it before it gets too bad.
Signs Your Double Glazing May Need Replacement
Even with proper maintenance, double glazing won’t last forever. Over time, signs of wear and tear can indicate it’s time for a replacement.
Condensation
One common issue is condensation forming between the panes. This is a clear sign that the seal has failed, compromising the window’s insulation. If simply left as it is, it can lead to further deterioration and reduce the efficiency of your glazing.
Reduced energy efficiencyAnother indicator is the presence of drafts or reduced energy efficiency. If you feel drafts near your windows or notice a significant increase in your energy bills, it’s likely that the double glazing is no longer effectively insulating your home. This can lead to higher heating costs and less comfort.
Damaged frames
Damaged frames are also a visual sign. Cracked, warped, or rotting frames, particularly in wooden designs can impact the structural integrity of the window and diminish its aesthetic appeal. This is especially problematic if the damage worsens over time, as it can compromise the window’s functionality.
Difficulty opening or closing
You may also experience difficulty operating the windows. If they become hard to open, close, or lock, this could be due to frame warping or hardware failure. Functional issues like these not only affect convenience but also security.
Reduced noise pollution
Lastly, a noticeable reduction in noise insulation can signal that the glazing’s performance has degraded. Double glazing is designed to reduce outside noise, and if this benefit diminishes, it’s often a sign of worn seals or weakened materials. Recognising these signs early can help you determine whether repair or replacement is the best solution for your double glazing system.
How to Maximise the Lifespan of Your Double Glazing
At some point, replacing your double glazing will likely be the best thing to do. But, before then, you should do all you can to maximise the lifespan of your current solution.
Invest in something quality to begin with because they generally last longer anyway. Clean your double glazing properly and regularly to avoid dirt build ups.
Consider adding UV-protective films to prevent sun damage and other protection applications. Additionally, ensure your warranty is comprehensive. We have an abundance of choice here at AWR Home Improvements, many with amazing warranties, just ask us about them!
Repair vs. Replace Double Glazing: Which Is Best?
If your double glazing begins to fail or look like it’s on the way out, you may wonder whether to repair or replace it – the answer depends on the severity of the issue.
Minor issues like seal leaks or hardware malfunctions can often be sorted in a cost-effective and efficient way. If there are lots of smaller issues at once or there’s something that will cost way more to fix then replacing might be necessary.
In any case, if you’d like a professional opinion on whether it might be best to repair or replace in your circumstances, we’d be happy to send our team over to see.
Contact AWR Home Improvements Today
There should be some useful information on this blog to help you gain an understanding on how long double glazing lasts.
There’s also a few tips on how to prolong their lifespan and how to look after them generally.
If you do all of the above you should see 25 years and more out of your double glazing which is fantastic. We would absolutely love to help you with all your double glazing needs here at AWR Home Improvements all you need to do is get in touch.
Call us on 0800 612 2127 or use the contact form and we’ll get in touch with you as soon as possible!