20 Things You Need To Know About Secondary Glazing Sash Window

· 6 min read
20 Things You Need To Know About Secondary Glazing Sash Window

How Secondary Glazing Can Improve Your Sash Window Insulation

If you're interested in the benefits of double glazing, but you aren't able to - or don't wish to - replace your existing sash windows Secondary glazing is an ideal solution.

It is a cost-effective option that can be used to increase insulation and reduce drafts without altering the original look. It is also a possibility when it is stipulated in property deeds to preserve original characteristics.

Insulation that is improved

If your home is older and you have windows with sash, it may be difficult to get them as insulated as you'd like. This is typically due to the restrictions on planning or the difficulty of modifying windows that are traditional without compromising its beauty. Secondary glazing can be an excellent way to increase the insulation of your home. It involves adding a second layer of glass to the frame, adding an additional layer of insulation that will keep your home warm for longer and reduce energy costs.

The additional pane of glass that is added to the existing sash window frame serves as an insulation by trapping air and retaining warm in your home. In addition, the secondary pane helps to reduce the noise outside. This is particularly beneficial when you live in an area that is known to be noisy, as it will help to keep the peace and tranquility inside your home.

However, it's important to remember that even though secondary glazing can dramatically improve the insulation of your home, it will not be as efficient as putting up new double-glazing windows. The gap between the two panes does not offer the same amount of energy 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 create secondary glazing that can be opened alongside the original sash window so that you can enjoy the benefits of increased insulation without having to say goodbye to your beautiful windows from the past.

This type of solution is especially popular in listed buildings and homes within conservation areas, as it gives you the benefits of higher energy efficiency without compromising the aesthetics and style of your home. Utilizing innovative methods, such as vacuum double glazing allows us to achieve the highest level of insulation while still permitting the sash windows to be opened.

We also offer a range of decorative finishes that will complement your existing windows and enhance the appearance of your home. This includes shutters, blinds, and curtains. All of them can enhance the thermal efficiency of your home by acting as another barrier to prevent cold air from entering.

Reduced noise

Sash windows are a vital element of a lot of homes. They can be noisy and drafty. Installing secondary glazing is one method to improve the insulation of sash windows. This is a cost-effective solution that can increase the efficiency of the heating system in your home, and reduce outside noise. It is also an excellent option for older homes, as it preserves the original design and can protect them from intrusion.

There are a variety of styles and sizes of sliding secondary glazing, to ensure that you find the right suitable for your home. Fixed inserts are aluminium frames that can be installed inside the sash window you have already installed. They can be put in place permanently, or semi-permanently depending on the requirements of your home. These are a great DIY solution for homeowners who wish to do their own home improvements.

There are many types of glass available such as laminated acoustic, laminated acoustic, and toughened safety glasses. Acoustic glass can be used as secondary glazing to reduce outside noise. It can also improve the privacy inside your home. This is especially important if you live close to a busy highway or other loud location.

Secondary glazing can greatly reduce noise pollution and make it easier to relax and relax in your home. It's also a great option if you have pets or children, since it will reduce the amount of noise that is filtered into your home from outside. Moreover, it can help to keep external noises from disrupting your sleep cycle.

If you live in an historic or listed home it might be difficult to install new double-glazed windows without changing the design of your home. But, you can improve the energy efficiency of your sash windows by incorporating secondary glazing. It is a cost-effective and durable option that can offer several benefits, such as reduced noise, enhanced security, and better heat retention.

The greatest benefit of secondary glazing is that it can be put in inside the windows you already have and allows you to preserve the charm and charm of your home while increasing the insulation and energy efficiency. It's also cheaper than replacing your sash windows with brand new ones.

Enhance the appearance of your home

Secondary glazing is a great alternative to replacing windows made of sash. It adds a new pane of glass inside the existing frame. This creates a barrier that reduces heat loss and enhances the energy efficiency of your house. It also reduces noise from the outside, creating an environment that is peaceful. It's also a economical way to increase the insulation of your house, without altering the appearance of the home.

The addition of a second glass layer to your existing sash windows provides excellent insulation, reducing heat losses by up to 60%. It can keep your home warm for longer and will save you money in the long run. It also helps reduce black mould and condensation as the secondary glass prevents moisture from getting into the wooden window frames.

There are a myriad of secondary glazing options that work for various sash window types. For example, some systems include a sash that can be closed and opened and closed, while others are fixed or open only for ventilation. There are also options that do not require an egress or mullion which makes them suitable for heritage and listed properties. There are also many different colors and finishes to pick from, allowing you to find the perfect design to match your home.



It's an excellent option for historic or period homes that aren't able to afford replacing their sash windows by replacements. It's a popular option for those who reside in conservation areas or listed buildings where the windows of their property aren't permitted.

Secondary glazing has a slim sightline, which doesn't block the original sash window. This is a great choice for homeowners looking to upgrade their existing sash windows in order to reduce noise pollution and improve energy efficiency.

Reduced condensation

Condensation is a typical issue with sash windows. It occurs when the warm air inside the property is pushed against the cold surface of the window, causing water droplets to form. This can cause damp and mould issues in the house. Secondary glazing can help to solve this problem by creating an additional layer of insulation that blocks the transfer of heat between the original window and the room.  double glazed sash windows  can help you keep your home warmer longer while using less energy, and reducing heating costs.

The addition of an extra glass pane also enhances the acoustic quality of windows made of sash. It separates movement of the frame and sash which reduces the resonance between the two. This helps to reduce sound leakage. Further improvements in acoustics can be achieved through the use of the thicker or acoustic laminated glass in the second pane.

Unlike double glazing, sash window secondary glass does not require the removal of the original window. Instead, it adds a second layer of glass to the window frame. This makes it a good choice for listed properties and heritage buildings in which it can be difficult or impossible to install new double-glazed windows.

Secondary glazing for windows made of sash is available in a range of styles including vertical sliders and hinged casements. The latter are the most popular choice for listed buildings as they can be fitted without the need for transoms or mullions, leaving the appearance of the original window intact. Both styles can be installed with a lift-out facility for easy cleaning and maintenance.

Additionally, fixed secondary glass can be installed for homes which do not require regular ventilation or in situations where it is risky to open the original sash windows. They can be fitted with a stay that holds them in a minimum position pre-set, removing the need to manually operate them manually. In such situations it is recommended to check the humidity levels using a hygrometer. Then, you can take steps to reduce the moisture levels within the building. This can include improving the airflow and installing a humidifier.