How Secondary Glazing Can Improve Your Sash Window Insulation
If you're looking to reap the benefits of double glazing but can't or don't want to replace your current windows Secondary glazing is an ideal solution.
It is a cost-effective alternative that can improve insulation and reduce draughts without altering the appearance of the house. It can be used in situations where property deeds stipulate that original features should be preserved.
Insulation that is improved
If your home is older and has sash windows, it can be difficult to get them as well-insulated as you would like. This is usually due to planning restrictions or the difficulty of modifying windows that are traditional without sacrificing its appeal. Secondary glazing can be an ideal way to boost the insulation of your home. It involves adding a second pane of glass to the existing frame, providing an extra layer of insulation that will keep your home warm for longer and reduce the cost of energy.
The glass that is attached to the sash window frame serves as an insulator by trapping air and retaining the heat inside your home. In addition the additional pane can help to reduce the noise outside. This is particularly beneficial if you reside in an area where noise can be a problem. It will help keep your home quiet.
However, it's important to remember that even though secondary glazing can greatly increase the insulation of your home, it won't be as efficient as putting up new double-glazing windows. This is due to the gap that is left between the two panes of glass isn't as effective in providing the same thermal efficiency as a double-glazed window.
We provide a variety of secondary glazing solutions customized to your sash windows and the requirements of your home. We can even design secondary glazing that can be opened in conjunction with the original sash window and give you the benefits of greater insulation without having to give up your beautiful historic windows.
This type of system is very popular in listed structures and homes in conservation areas, as it allows you to enjoy the advantages of improved energy efficiency without having to compromise on the appearance and feel of your home. We can achieve a high quality of insulation with innovative methods like double-glazing in vacuum, but opening sash windows.
We also offer a variety of decorative finishes to complement your existing windows and enhance the appearance of your home. This includes shutters, blinds and curtains. They can all increase the thermal performance of a house by creating a barrier to prevent cold air from entering.
Reduced noise
Many homes aren't complete without Sash windows. However, they can be draughty and noisy. Secondary glazing is a method to increase the insulation of sash windows. This is a cost-effective solution that can increase the efficiency of thermal energy and decrease outside noise. It can also be an excellent option for older homes because it preserves the original design and protect them from intrusion.
There are many different styles and sizes of sliding secondary glazing to ensure that you find the perfect one for your home. Fixed inserts are aluminium frames that can be put in your existing sash window. These can be fixed permanently or semi-permanently depending on your needs. They're a straightforward DIY option for homeowners who want to make their own improvements.
There are many types of glass to choose from including laminated acoustic and toughened safety glasses. Acoustic glass can be used for secondary glazing to minimize outside noise. It can also increase privacy inside your home. This is especially important if you live close to a busy road or another noisy location.
Secondary glazing can greatly reduce the amount of noise that is emitted and allow you to relax and enjoy your home. It's also a great option if you have pets or children, since it will reduce the amount of noise that filters into your home from outside. It also helps to stop external noises from disrupting your sleep.
If you live in a historic or listed building, it may not be possible to install double-glazed windows without altering the original style of your home. But, you can increase the energy efficiency of your sash windows with secondary glazing. It is a cost-effective and long-lasting solution that offers numerous benefits, including reduced noise, improved security, and improved heat retention.
The best thing about secondary glazing is that it can be installed inside your existing sash window, allowing you keep the character and charm while increasing the insulation and energy efficiency. It is also cheaper than replacing all your sash windows with new ones.
Enhance the appearance of your home
An excellent option to replace your windows that have sash with double glazing, secondary glazing is a second pane of glass within the frame. This creates a barrier which reduces heat loss and improves the energy efficiency of your house. It also helps reduce noise from outside, creating a peaceful and quiet space. It's also a cost-effective method to improve your home's insulation without altering the appearance of your home.
wooden sash windows near me repairmywindowsanddoors of a second glass layer to your existing sash windows will provide excellent insulation, and can reduce the loss of heat by as much as 60 percent. It will keep your home warmer for longer and save you money in the long term. Secondary glazing can also reduce black mould and condensation, because it blocks moisture from reaching the wooden window frames.
There are a variety of secondary glazing systems that are suitable for various sash window types. Some systems have the sash that can be shut and opened, while others are fixed or open only to let air flow in. There are also options that don't require a transom or mullions which makes them suitable for heritage and listed properties. There are a variety of finishes and colours to choose from, allowing you to choose the right style to suit your home.
It's a great option for historic or period homes that aren't able to afford replacing their sash windows with similar replacements. It's also a popular option for people who live in a conservation area or in a listed building in which there are restrictions on what can be done to the property's windows.
Secondary glazing has a slim sightline that doesn't obstruct your original sash window. This makes it a great option for homeowners looking to upgrade their sash windows to increase energy efficiency and reduce noise pollution but don't want to replace them altogether.
Reduced condensation

Condensation is a frequent issue with windows made of sash. It occurs when warm air from inside of the house meets the cold window surface and causes the formation of water droplets. This can lead to damp and mould problems in the house. Secondary glazing can help to alleviate this issue by creating an extra layer of insulation that blocks the transfer of heat between the original window and the room. This means you'll be able to keep your home warmer for longer and use less energy, which will save you money on heating costs.
A second glass pane can also enhance the acoustic properties of sash window. It separates the movement of the sash from the frame, which reduces resonance between the two and therefore limit the leakage of sound. The secondary pane can be enhanced in terms of acoustical efficiency using acoustic-laminated or thicker glass.
As opposed to double glazing, sash window secondary glazing does not require the removal of the original window. Instead, it adds a new pane of glass to the window frame. This makes it a fantastic option for listed buildings and heritage properties where it is often impossible or impractical to put in new double-glazed windows.
Secondary glazing for windows made of sash is available in a range of styles that include vertical sliders as well as hinged casements. These are a popular choice for listed buildings as they can be installed without the need for transoms or even mullions, preserving the appearance of the original window intact. Both styles can be installed with a lift-out feature for ease of cleaning and maintenance.
For homes that don't require regular ventilation, or for those where opening the original sash windows could be risky, a fixed secondary glazing option is available. They can be fitted with a stay that will keep them in a pre-determined minimum height, avoiding the need to open manually them manually. In such situations, it is best to keep track of the humidity levels using the aid of a humidistat. Then, you can take steps to reduce moisture in the property. This could include enhancing the ventilation system and installing humidifiers.