Double Glazed Doors: The Cost, Efficiency & How They Work

If you’d like to improve your home insulation or reduce noise from the outside world, as well as limit your carbon emissions, then double glazed doors could be a good choice for you,

These double glazed units consist of two sheets of glass with a gap between them filled with dry air or gas. They can be made out of different kinds of material including uPVC, aluminium, or wood. They are also available in a wide variety of designs and styles to suit your home.

What’s In This Guide?

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Double Glazed Doors Costs

There are several factors that will determine the total cost. Firstly, it will depend on what kind of frame and glass you would like to install as well as the style and shape of the doors. When it comes to the type of frame material, the most affordable option is uPVC. Timber is an option but it’s are more expensive.

As regards the style and shape of the doors, bi-fold doors are the most expensive due to their complex structure. Folding doors are a bit cheaper and sliding patio doors are the cheapest.

In the table below you will find the approximate prices for these three types.

The prices for double glazed front doors and double glazed backdoors can be different and depend on your particular case. The requirements of every home is different.

How Double Glazed Doors Work

The double glazed doors consist of a frame in which two panes of glass are fitted, forming a small gap between the panes. The width of this gap is usually between 9 and 12 mm. In order to create this gap, a spacer bar separates the two sheets of glass.

This composition helps preserve heat inside the room.  Air or gas trapped between the sheets of glass is a poor conductor of heat and the extra layer helps to improve your thermal seal.

Are Double Glazed Doors Worth The Investment?

Doors with double glazing have certainly increased in popularity within the last number of years, but are they worth the investment? Well that depends on your priorities, they will improve your building seal, but if your home has poor insulation, it’s a wasted investment.

In the table below you can get an idea of the difference between single, double and triple glazing with a lower u-value indicating heat retention.

The Advantages

By improving the EPC rating of your home, double glazed doors increase the value of your property which help you get a better deal should you decide to sell.

You’ll lower your carbon emissions due to the increased energy efficiency of your home.

You can keep your home warmer without using your heating system as frequently.

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Because of the extra layer of glass, these doors are more difficult to break. This increases the level of security and lowers the risk of a break-in. If this is an important factor for you, consider toughened glass.

The Disadvantages

If this seal on double glazed door breaks, it can create condensation between the glass panes. That is a common problem that can appear over time. That is a common problem that can appear after some time. Therefore, most double glazing companies will suggest replacing an entire double glazing unit.

Finding a supplier that can match modern double or triple glazing to your property can be difficult if you have a traditional home. This can add significantly to the cost. Although, you might consider secondary glazing to fit better with the look of your house.

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The initial price can be off putting to some homeowners. However, in the long run, this investment will pay off as you will save money on your heating bills.

Types of Doors and Materials

Double glazed doors are available on the market in different types:

  • Front doors
  • Bi-fold doors
  • Patio doors
  • French doors

When it comes to the materials used to manufacture the frames you can find the following types:

  • PVC or UPVC
  • Aluminium
  • Timber
  • Fibreglass

There is also a wide variety of glass types that you can fit:

  • Low-e glass
  • Thermally toughened glass
  • Decorative glass
  • Acoustic glass
  • Tinted glass
  • Reflective glass
  • Safety glass

Each of these types has its own unique features which can add value to your doors as well as provide a greater level of comfort. Some of these materials can be useful for prolonging the life of your interior furnishing, protecting you from harmful sunlight rays, or even providing a better noise reduction as well as the aesthetics look.

Depending on the type of glass, frame and door that you choose, the price of your double glazed doors can reduce or increase. However, the benefits of the extra features are helpful and will be completely worth the investment in the long run.

Find the Right Manufacturer

Installing double glazed doors can be a significant investment, but you will make it only once or twice in your life. Therefore, it is beneficial and will make your life easier and more comfortable for a number of years or even decades. To benefit from all the useful features of double glazed doors and ensure that they are installed correctly and soundly, you will need a dependable company of professionals who can provide you with a high-quality service.

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