Replacement Double Glazed Units 

Replacement Double Glazed Units?

Replacement double glazed units! When considering the right time for the work there are a few things to bare in mind. In most case’s it can be more affordable to replace the double glazing than you think!

How to tell if you need your double glazed unit replaced?

Is water leaking through the frame?

Are you finding condensation between the panes?

Can you see cracks or chips in the glass?

Is there a draught flowing through the frames?

If you are experiencing any or all of the above then it is likely you have a blown window. replacement double glazed unit.

What is a blown window?

A blown window occurs when a gap is created between glass panes. Therefore allowing moisture to come through creating constant fogging. This will need to be replaced as soon as possible as it is no longer energy-efficient. This does not provide the insulation that your home needs.

As a result of a blown window, there are several problems that could occur. Here are the top 3 problems that a blown window causes;


Condensation build-up

Condensation build-up is a clear sign your window is blown. A damaged window will allow moisture through, simultaneously this will allow further problems to arise such as damp, rot, and mould. Condensation is likely to build up not only on the outside of the unit but the inside too.

Heat loss/ Lack of Insulation

90% of unit replacement takes place in the winter, and this is because the homeowner can significantly notice the loss in heat within the home. So even though your windows might have been blown during the summer. The draughts that are created in colder temperatures are more noticeable around the home during the winter months. Heat loss through blown windows do not only cause draughts but will also have a negative impact on your enegry bills.

Reduced Natural Light

The reduced natural light on a blown unit is not only caused by the condensation but also a foggy effect left within the glass unit, much like the image below. This can cause a once light, bright, and airy room to result in a dark dingy, and damp area of the home.


Prevents Damps

Replacing a blown window with a new double glazed unit will eliminate the production of damp inside and outside your home as condensation is less likely to occur on a fully insulated double glazed window unit.

Lowers utility bills

The most effective time to have your units replaced is during the autumn and winter periods as this is the most important time of year to have your home fully insulated. With blown window’s heat can easily escape from the home and be replaced by cold air invading in. With replacement double glazed units you are able to prevent heat loss within the home and keep the cold air out.

Noise pollution

Blown window units not only let cold air in but increased the noise pollution within your home. With a replacement unit you can reduce the noise pollution to a minimum.

The Cost of Replacement Double Glazed Units

If your window frames are still in good condition and it is only the double glazing unit that needs replacing, then you might be surprised at how inexpensive the window repair may be as you will only need to replace the glazed units.

On average replacing a double glazed unit rather than the whole window saves the property owner around 70%