Secondary Glazing For Sash Windows

Many homeowners are not able to add double glazing to their home because of financial limitations or due to the fact that the building is listed and any exterior modifications are prohibited.

Secondary glazing is a great alternative to sash windows and can be installed in a variety of ways.

This is a double-paned glass that can be placed inside the frame of your window sash replacement. It provides insulation and noise reduction, as well as preventing cold air from entering the home.

Fixed Inserts

If you're thinking about secondary glazing for your sash windows, there are several different styles to pick from. Each has its own set of benefits, from improved security to reduced condensation. Which one is the best option for you?

The principle behind secondary glazing is to install an additional glass pane within your window frame. This creates an extra layer of soundproofing and insulation which can significantly increase the efficiency of your home's energy use.

However it's not always feasible to add double-glazed windows to your home particularly if you live in a listed structure or are subject to strict regulations regarding planning which dictate what can and cannot be done to your exterior.

In these instances, secondary glazing is a fantastic alternative that can be installed easily. It's also a popular option for people looking to update their old home without having to tear down the original sash windows and replace them with contemporary ones.

There are a variety of different options for secondary glazing sash windows, all of can be customized to fit your existing frame. Proprietary systems usually have painted aluminium frames that are designed 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 that include glazing clips and Velcro. They offer a more stylish solution to screw-fixed units and are ideally suited to windows that do not need to be opened frequently. Alternately, you can opt for a fixed lift-out unit that can be lifted out and then put back in its place with ease, allowing your windows to be opened.

Horizontal Sliders

Horizontal Sliders offer excellent thermal insulation and are the most sought-after option for enhancing existing windows with sash. They are also very discreet and suitable for older structures, conservation areas and listed properties. They can be installed in the majority of cases without the need for external access since they operate from inside.

They can be operated with a hand, and they can be left open or partially opened to allow ventilation. They are effective at stopping draughts and also filter harmful UV light. In the summer they can be paired with a flyscreen in order to keep out insects and mosquitoes.

Our Trackglaze horizontal sliding system offers all the benefits of modern double glazing for your classic windows made of sash. It comprises of PVC double sliding tracks on the four sides of the cavity with a simple bristle seal around each glass sheet, and angle handles that can be pulled by fingers to act as a handle and decrease 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.

Secondary glazing can have a significant effect on noise reduction, especially for rail, road and airport traffic. The addition of laminated or toughened glass can further improve acoustic performance. Standard secondary glazing reduces outside noise to 52dB (Rw) and specialist glass, such as Stadip Silence Laminated Acoustic Glass can deliver even more impressive levels of acoustic performance.

It can improve the efficiency of your home by keeping it warmer for longer and reducing reliance on central heating. It is cheaper than replacing the original sash window, and can be installed without having to remove the frame.

Vertical Sliders

Secondary glazing is a cost-effective option that is often easier to manage than full window replacement sash windows. It is suitable for Listed Buildings & Conservation Areas. It's an ideal solution to replace windows with sash in Suffolk & Essex with modern insulation benefits while keeping the character of older homes.

Vertical Sliders were specifically designed for use in sash windows in which hinged panels from the standard range are not suitable. They come with two secondary sashes which are secured with one above the other, inside an outer frame. They are supported by robust spring balances for ease of movement. The system can be put on the inside of an existing window for better thermal performance or fitted with a cavity between the frame and the glass for optimum acoustic properties.

You can pick from a range of handles and stop-strips to match 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 stop draughts.

'Choices’ Imagine vertical slider secondary glass features all the authentic wood detailing you'd expect to see in a period window. It comes in a range of colors that match your existing sash. It's almost impossible to distinguish from the original sash window, with details such as sash horns & traditional butt joints being incorporated into the design. It comes in a variety of sizes and can be fitted with glass up to 6.8mm for additional insulation against loss of heat. A tilt-in option is available that allows the individual sashes to hinge into the safety stays to aid in cleaning.

Hinged Casement

Our single-pane secondary glass can be fitted on sash windows in any style including traditional box sash and casement. The hinged units we offer are made with a secure multi-point locking system and are available with keys and a handle for the lock. This ensures that the glazed panel is held securely in place and pulls tightly against the frame, creating a seal to reduce heat loss. Hinged windows can be top-hung or side-hung and can be double-glazed. Double-glazed windows provide better sound insulation and are available in 43dB (for 47dB) and 51dB (for 51dB) or 47dB (for 49dB).

Unlike horizontal sash window repair windows, which have movable sashes, slide horizontally within the frame, casement windows are able to open outwards and catch breezes from various angles. They can also be opened from both the top and bottom for controlled ventilation. This is why they can help improve airflow and offer an effective alternative to traditional sash windows.

They are commonly employed in modern homes since they offer a few "sightlines" and unobstructed views. However, they can also be fitted into listed properties because they don't require mullions or transoms. They're also a good option for those who live in areas that are difficult to reach as they can be opened with the flick of the handle.

This type of window can be a drawback since it can restrict the use of certain window treatments. They can also be difficult to clean as they open outwards, and could require regular maintenance and service.

Lift Out Windows

Secondary glazing can be installed using a variety methods. The cost will differ depending on your preference of the materials thickness, thickness, and the type of glass. upvc sash windows frames are the least expensive followed by aluminium, and wooden frames. Specialized glass can also add to the cost, as well as any additional features like sound reduction or security.

The complexity of the installation will also affect the cost. The more complex the project is, the more time and labour will be required. This also applies to heritage properties with more complex sash windows that require specialized knowledge and expertise.

Assessing the condition of windows that are in use is a good place to begin. You can get a reliable estimate of the cost by having them checked by an expert.

In general, secondary glazing will have minimal impact on the overall appearance of your home. Modern FINEO double-glazing features slim and distinct frame lines. This allows you to get the most efficient heat without compromising aesthetics.

The horizontal sliding secondary glazing is popular due to its easy access to the sash window to clean or for ventilation. These are also available with a tilt feature which can be activated by releasing the catch and then lifting your secondary glazing panel vertically to a specified point. This is a great option for windows that don't get opened very often. It can also be used to permit air conditioning access in bay windows. You can also use them to open the middle sash of a traditional Bay Window to create a more symmetrical appearance.