secondary double glazing for sash windows Glazing For Sash Windows

Many homeowners are unable install new double glazed sash windows for listed buildings glazing on their homes, either because of financial constraints or because they live in listed buildings which prohibit any exterior changes.

Secondary glazing is an excellent alternative to sash windows. It can be installed several ways.

It’s an additional glass pane inside the window frame, which stops cold air from entering your home, while offering insulation and noise reduction.

Fixed Inserts

If you’re considering secondary glazing for your sash windows there are several different styles to choose from. Each style comes with distinct advantages that range from increased security to less condensation. Which is the best option for you?

The basic idea behind secondary glazing is to fit an additional glass into your existing window frame. This provides an additional layer of soundproofing and insulation which can significantly improve the energy efficiency of your home.

However, it’s not always possible to install new double-glazed windows to your home particularly if you reside in a listed building or are subject to strict regulations regarding planning which dictate what can and cannot be done to your exterior.

Secondary glazing is a fantastic alternative in these circumstances. It can be put in quite easily. It’s also a popular choice for those looking to upgrade their home without having to take down the original windows in sash and replace them with modern ones.

There are many different options for secondary glazing sash windows, each one of that can be adapted to fit your existing frame. The proprietary systems typically feature painted aluminium frames that are made to fit within the depth of a staff bead an existing sash window meaning that shutters and sills can still be retained.

They can be fitted with a variety of installation methods, like glazing clips or Velcro. These units are more attractive than screw-fixed ones and are best suited for windows that don’t need to be opened frequently. Alternatively, you can choose a fixed lift-out unit, which can be lifted out and then put back in place with relative ease to allow windows to be opened.

Horizontal Sliders

Horizontal Sliders provide excellent thermal insulation and are the most well-known solution to improve the performance of existing sash windows. They are also discreet and are ideal for historic homes, conservation areas & listed properties. In the majority of instances, they can be installed without having access to the outside since they are operated from the inside.

They are simple to operate using a hand, and can be opened wide or left partially open for ventilation. They are effective at keeping out draughts, and also filter harmful UV light. They can be combined with an insect screen to deter mosquitoes and other insects during summer months.

Our Trackglaze horizontal sliding systems offer all the benefits of modern double glazing for your classic sash windows upvc windows. It is comprised of PVC double sliding tracks on the four sides of the cavity, a simple bristle seal around each glass sheet and finger pull angle handles to serve as handles and decrease bowing. It is available in kits of 1m or 2m lengths of track and angle that can be butted together to make larger spans.

The acoustic benefits of second glazing are important and can improve noise reduction from outside especially road, rail & airport traffic. The addition of laminated or toughened glass further enhances the acoustic quality. Secondary glazing that is standard can reduce outside noise by 52dB(Rw) and specialist glass like Stadip Silence Laminated Acoustic Glass can provide even greater levels of acoustic performance.

It can boost the energy efficiency of your house by keeping it warmer for longer. This will decrease your reliance on central heat. It is cheaper than replacing the original sash window, and can be installed without removing the frame.

Vertical Sliders

Secondary glazing is a cost-effective choice that is usually easier to manage than full window replacement. It’s also suitable for Listed Buildings & Conservation Areas. It’s the ideal option for upgrading traditional sash windows in Suffolk & Essex with modern insulation benefits while retaining the charm of older homes.

Vertical Sliders are specifically designed for timber sash window windows where regular hinged panels aren’t appropriate. The system is comprised of two secondary sashes, which are secured one above one within an outer frame. They are supported by spring balances to allow for effortless movement. The system is available as a face-fixed’ (installed to the inside of the existing window) to improve thermal performance, or a’reveal fixed version that has a glass to glass cavity within the window’s original reveal, for optimal sound quality.

You can pick from a variety of handles and stop-strips to suit your preferences. They can be fixed in a closed position for additional security, or propped open to allow ventilation on the glass’s top or bottom. They can be fitted with an insulation bristle to block drafts.

The ‘Choices’ Imagine vertical slider secondary glass comes with the same authentic wood details you’d expect to find in a period window. It comes in a variety of colours that are compatible with your sash. It’s difficult to differentiate from the original sash window with details such as sash horns & traditional butt joints incorporated into the design. It’s available in a broad range of sizes and accepts glass up to 6.8mm to give additional insulation against heat loss. A tilt-in option is available that allows the individual sashes of the frame to hinge towards the back of safety stays to help with cleaning.

Hinged Casement

Our single-pane secondary glazing can be installed on sash windows of any design, including traditional box sash and casement. The hinged units we offer are made with a secure multi-point locking system and can be supplied with keys lock handles. This will ensure that the glazed panel is locked securely in place and is pulled close to the frame creating a seal designed to reduce heat loss. Hinged windows can be top-hung or side-hung and can be double-glazed. Our double-glazed Windows provide enhanced sound insulation and are available in 43dB (for 47dB) or 51dB (for 51dB) or 47dB (for 49dB).

Casement windows are able to open outwards and catch breezes from different angles. This is unlike horizontal sash window, with movable sashes in the frame, which slide horizontally. They can also be opened from both the top and bottom to provide controlled ventilation. They also increase airflow and are a great alternative to traditional sash windows.

They are typically used in modern homes because they offer a few “sightlines” and unobstructed views. However, they can also be fitted into listed properties because they don’t require transoms or mullions. They can also be used in hard-to-reach places as they can be opened simply by turning the handle.

This kind of window could be a drawback since it may limit the use of certain window coverings. They are difficult to clean as they open outward. They also may require regular maintenance and care.

Lift Out Windows

Secondary glazing can be put in place using a variety methods. The cost of installation will vary according to the choice of materials thickness, thickness, and the kind of glass. UPVC windows are generally the least expensive, followed by aluminium and finally wooden sash window window frames. Specialized glass may also increase the cost, as well as any additional features like security or noise reduction.

Another factor that affects the cost is the complexity of the installation. The more complex the project is, the more time and labour it will take. This is also the case for older homes with more intricate sash window designs.

The best way to start is by assessing the condition of your current windows. You can get an accurate estimate of the cost by having them checked by a professional.

In general secondary glazing has little effect on the appearance of your home. This is due to the fact that the modern FINEO double glazing has slim and discreet frames, meaning you can attain thermal efficiency without sacrificing aesthetics.

The horizontal sliding secondary glazing is popular due to its easy access to the existing sash window to clean or for ventilation. You can also get them with a tilt function, which you can activate by unlocking the catch on the secondary glass panel and lifting it vertically until you reach a predetermined point. This is great for windows that aren’t used often and is a great way to facilitate access for air cooling in bay windows. You can also use them to open up the middle sash on the traditional sash bay windows to create a more symmetrical look.