The likelihood is that if you have single glazed windows in your home, you will benefit from looking at the environmental benefits of secondary glazing.
Before discussing the pros and cons, it is important to know exactly what this is as it can often be confused with double glazing. While the aims are similar to those of double glazing, this is a cheaper and easier option and is often used as an alternative when local building and planning restrictions exist.
Secondary glazed windows can be achieved either by adding an additional pane of glass to an existing window, or by fixing a plastic sheet to the existing window. It is best to have an expert install any additional panes to get the most out of the improvements, but the plastic sheeting can easily be installed by any amateur DIY enthusiast.
Of the many benefits associated with this form of glazing, an improved thermal performance is probably the most significant. A window’s performance can be improved by up to 60% with effective secondary glazing and household draughts can be all but eliminated. With regard to energy saving, windows are the main area of the home from which heat can escape, and better thermal insulation greatly reduces carbon emissions.
As well as thermal insulation, acoustic insulation can also be substantially improved. In the hectic society we live in, noise can be a major source of annoyance and whether it comes from traffic, music, or general hustle and bustle it can lead to increased amounts of stress. In reality noise pollution can actually have a seriously detrimental impact on health, and the benefits of reducing this should not be underestimated.
Security is obviously important to everybody, and the increased protection afforded by just one extra window layer is surprising. A secondary layer can make forced entry from burglars much more difficult, and can also protect against bomb blasts, fire, or gunshots.
As well as the obvious environmental benefits, the fact that heating bills can reduce by up to a third is a real bonus. This saving must be factored into any calculation made when determining whether the glazing is affordable, and of course the monthly savings made will be ongoing.
In order to avoid bias, it should also be noted that there is one common complaint about secondary glazed windows. If the installation is not carried out to a sufficiently high standard there is a real risk of condensation. It is essential that if condensation builds up, you try to allow enough air circulation to prevent the problem worsening as this can cause the windows to rot from the inside.
Now the environmental benefits of secondary glazing should appear more obvious, and are hopefully a useful guide in helping decide how best to insulate your home or office.
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