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Secondary Glazing For Sash Windows

Many homeowners are unable to install new double glazing on their homes, either because of financial constraints or because they reside in listed buildings that prohibit any exterior modifications.

Secondary glazing for sash windows is a good alternative and can be installed using a variety of methods.

This is a double glazed sash window-paned glass that fits inside the window frame you already have. It is insulated and provides noise reduction, as well as preventing cold air from entering the home.

Fixed Inserts

If you're considering secondary glazing for your sash windows, there are many different styles you can pick from. Each style offers each of its own benefits ranging from increased security to less condensation. Which one is the best option for you?

The principle behind secondary glazing is to fit an additional glass into your existing window frame. This adds an additional layer of insulation and noiseproofing your home, enhancing its energy efficiency.

It's not always feasible to add double-glazed windows, particularly if you live in a listed property or you are bound by strict planning regulations dictating what can and can't be done with your exterior.

In these instances, secondary glazing is an excellent alternative that can be installed with ease. It's a popular choice for those who want to update their period home without the need to replace the original sash window an updated version.

There are a variety of different systems available for secondary glazing sash windows, each of can be customized to fit your existing frame. Proprietary systems typically have painted aluminium frames that are designed to fit within the depth of a staff bead on an existing sash secondary glazing window, so that shutters and sills can still be retained.

They can be installed with a variety of installation methods that include glazing clips and Velcro. These types of units look more attractive than screw-fixed ones and are best suited for windows that do not require to be opened frequently. You can also choose a fixed lift-out unit that can be lifted and put back in place with relative ease, allowing your windows to be opened.

Horizontal Sliders

Horizontal sliders are the most sought-after way to improve existing windows. They are also discreet and suitable for older homes or conservation areas as well as listed property. They can be fitted in most cases without the need for external access since they operate from inside.

They can be operated by hand, and they can be left open or partially opened to allow ventilation. They are very effective at eliminating draughts and they also have the benefit of blocking harmful UV light. They can be used in combination with a flyscreen to ward off mosquitoes and other insects during the summer months.

Our Trackglaze horizontal sliding system provides all the advantages of modern double glazing to your original Sash windows. It consists of PVC double sliding track on all four sides of cavity, a simple brush seal around each sheet of glass and finger pull angle handle to act as a hand and reduce bowing. It is available in kits comprising either 1m or 2m lengths of track and angle that can be butted together to make larger spans.

The acoustic benefits of secondary glazing are extremely significant and it can significantly enhance noise reduction from outside, particularly road, rail & airport traffic. The addition of laminated or toughened glass further enhances acoustic performance. Secondary glazing is a standard feature that can reduce outside noise by 52dB(Rw) and specialized glass like Stadip Silence Laminated Acoustic Glass can provide even greater levels of acoustic performances.

It can increase the energy efficiency of your house by keeping it warmer longer. This will decrease the need for central heating. It is cheaper than replacing the original sash window, and can be installed without the need to remove the existing frame.

Vertical Sliders

Secondary glazing is an affordable option that is usually easier to manage than full window replacement. It's also suitable for Listed Buildings & Conservation Areas. It's a great way to upgrade traditional sash Windows in Suffolk & Essex while retaining their distinctive character.

Vertical Sliders are specially designed for sash windows, where regular hinged panels don't work. They feature two secondary sashes which are secured, one over the other, within an outer frame and are supported by strong spring balances to allow for easy movement. The system is available as a 'face-fixed' (installed to the inside of the window) for increased thermal efficiency or a'reveal-fixed version, which has a glass-to-glass cavity, within the original window reveal, for optimum audio-acoustic performance.

You can pick from a range of stop-strips and handles that suit your preferences. They can be positioned in a closed position for additional security, or propped open to allow ventilation on the top or bottom glass. They can also be fitted with an insulating bristle sealing device to keep out drafts.

Imagine a vertical slider with 'Choices' secondary glazing comes with all the authentic timber detailing you'd expect from a vintage window treatment. It's available in a variety of colors to match your existing sash. It's difficult to distinguish from the original sash window with details such as the sash's horns and traditional butt joints being incorporated into the design. It's available in an extensive selection of sizes and will accept glass up to 6.8mm to add insulation to prevent loss of heat. The tilt-in feature allows the individual sashes of the window to be hinged upwards to make it easier for cleaning.

Hinged Casement

Our single-pane hinged secondary glazing can be fitted to windows made of sash in any style, including casement and traditional box sash window sash windows repair. Our hinged units are supplied with a keylock handle, and are made with multi-point locking. This combination ensures the glazed panel is locked securely in place, and it pulls tightly against the frame creating a seal designed to reduce heat loss. Hinged windows can be purchased as either top or side hung and can also be made by double glazed sash window-glazing. Double-glazed windows provide better sound insulation and are available in 43dB (for 47dB) and 51dB (for 51dB) or 47dB (for 49dB).

In contrast to horizontal sash windows which have movable sashes that slide horizontally within the frame, casement windows can be opened outwards and catch breezes from a variety of angles. They can also be opened from the top and bottom to provide controlled airflow. They can therefore increase airflow and offer a fantastic alternative to traditional sash windows.

They are commonly utilized in modern homes as they have small "sightlines" and unobstructed views. They can also be used in listed homes because they don't require mullions or transoms. They can also be utilized in places that are difficult to reach since they are easily opened by turning a handle.

This kind of window can be a disadvantage because it can restrict the use of certain window treatments. They can be difficult to clean, as they swing outward. They may also require regular maintenance and servicing.

Lift Out Windows

Secondary glazing can be put in place by a variety of methods. The cost of installation will vary depending on your preference of the materials, thickness, and type of glass. uPVC frames are the least expensive followed by aluminium, and wooden frames. Specialised glass, as well any extra features such as security or sound reduction may also raise prices.

The complexity of the installation will impact the cost. The more complicated the project is, the more time and labour will be required. This also applies to older homes with more intricate sash windows that require expertise and knowledge.

Assessing the condition of existing windows is a good place to start. The survey conducted by a skilled professional will give you a precise idea of what the costs could be.

Generally speaking, secondary glazing will have little impact on the overall appearance of your home. Modern FINEO double-glazing has thin and discrete frame lines. This allows you to improve thermal efficiency without sacrificing aesthetics.

The horizontal sliding secondary glazing option is popular because it allows easy access to the existing sash window to clean or for ventilation. They also come with a tilt feature, that can be activated by opening the catch and lifting your secondary glazing panel vertically to a specified degree. This is ideal for windows that don't get opened often. It can also be used to allow air conditioning access in bay windows. They can be used to open the middle sash in a traditional sash Bay Window to create a more symmetrical appearance.