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Insulation Benefits of Secondary Glazing

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Secondary Glazing is a popular and practical product as it is a realistic alternative to conventional Double Glazed windows and provides additional benefits of its own. On this group of pages we have provided more detail on the major benefits, which can be accessed via the image links to your right or the drop down menu. These cover Heat, Noise, Condensation and typical Cost with comparisons to the alternatives. We have also added a Customer Gallery where the pictures demonstrate Easyfix Secondary Glazing products "at work", along with the care and dexterity of our customers' DIY efforts - if you go ahead with one of our insulation systems, we would be delighted to receive your pictures as well.

You can select the appropriate image, and click on it, for more information.

There are some Less Obvious Benefits

Length of Life - Secondary Glazing panels can outlast purpose built units, as once the Double Glazing seal has broken, it loses insulation effectiveness and condensation will appear between the panes. As Secondary Glazing seals in a different way, it lasts as long as is needed. This approach allows the original windows to last for centuries if properly maintained.

Returning to Original Condition - fitting Secondary Glazing gives the option to simply remove it and return the outer windows to their original condition. Replacement with Double Glazing generally requires the complete and final removal of all original frames and features.

Repairability - a damaged or aged Double Glazed unit will usually need replacement of the glass as a sealed unit, as repair is not possible. However, Secondary Glazing can often be refreshed, by replacing the edgings or glazing sheet in the event of significant damage. On our 50+ year old Clipglaze system, for example, Tubeway get customers every year who after 20 or 30 years simply replace the flexible edging and clips, re-using the original pane.

Local Authority Approval - Secondary Glazing is generally easier to get approved, as it is can be fitted without being seen from outside and removed if required, which helps retain the character and appearance of buildings that are listed or under conservation status. This balances your energy saving with the principle of preserving important buildings. Note that you retain responsibility for checking with the relevant authority before going ahead with purchase and installation.

Insulating Air-Conditioned Property - The effective insulation of windows to prevent warm air being lost in winter can also prevent cooled air being lost in summer, should you live in a hotter climate where air-conditioning is necessary. In extremely hot locations be aware that excessive temperatures can have an effect on the adhesive systems, as it can dry out the adhesive tape, so please raise this with our Sales team if it is a concern.

Carbon Footprint - removal and disposal of your existing windows, the manufacture of full replacement Double Glazed units (which in turn may only have a 20 or so year expected lifespan), adds up to a lot of energy and resources. In contrast with Secondary Glazing, the lighter frames and simple glazing makes a favourable comparison of the Carbon Footprint between the two options.

Retrofitting - Because Easyfix Secondary Glazing systems can be installed on existing windows, within the skills and everyday tools of a modest DIYer, they are an attractive alternative to hiring professional tradespeople and buying bespoke products to improve your home. You can also remove and re-fit your Secondary Glazing panels each spring and autumn.

Glazing System Compromises

Secondary Glazing, along with other insulation and draught proofing, can deliver many benefits, but some can conflict. The most obvious is condensation versus heat, because the ventilation needed to remove warm moist household air in winter usually means replacing it with cool, dryer air from outside. Each householder will select the appropriate options for them, and we hope that the information on this website helps give the best result in every case.

retain heat with easyfix secondary glazing

easyfix secondary glazing protects your home from outside noise

easyfix secondary glazing helps eliminate condensation

costs for alternatives to easyfix secondary glazing

customer images of easyfix secondary glazing in use