The 10 Scariest Things About Secondary Glazing Sash Windows

Secondary Glazing For Sash Windows

Many homeowners are not able to add new double glazing to their homes, either because of financial constraints or because they live in listed buildings that prohibit any exterior modifications.

Secondary glazing for windows made of sash is an excellent alternative that can be put in using a variety of methods.

This is a double glazed timber sash windows-paned window that fits inside the window frame you already have. It offers insulation and noise reduction, as well as stopping cold air from entering your home.

Fixed Inserts

If you're thinking about secondary glazing for your sash windows, there are several different styles to choose from. Each comes with its own set of advantages, from increased security to less condensation. Which is the best choice for you?

The fundamental idea behind secondary glazing is the installation of an additional glass inside your existing window frame. This provides an additional layer of insulation and noiseproofing to your home, improving its energy efficiency.

It's not always possible to install double-glazed windows particularly if your house is classified as a historic property or you are bound by strict planning regulations that dictate what can and cannot be done with your exterior.

In these situations, secondary glazing is a fantastic alternative that can be installed easily. It's also a popular choice for those who want to modernize their old home without having to tear down the original sash windows and replace them with new ones.

There are a number of different options available for secondary glazing sash windows; recent post by Fakenews,, all of can be customized to fit your existing frame. Proprietary systems are generally comprised of painted aluminium frames that fit into the existing staff bead depth on windows with sash. This allows sills and shutters to be retained.

They can be equipped using a variety of installation methods that include glazing clips and Velcro. These units are more attractive than screw-fixed units and are best suited for windows that don't need to be opened often. Alternatively, you can choose an adjustable lift-out unit that can be lifted out and put back in its place with ease, allowing your windows to be opened.

Horizontal Sliders

Horizontal sliders are the most popular method to enhance the appearance of your windows with sash. They are also extremely discreet and are ideal for historic structures, conservation areas and listed properties. They can be installed with the need for access from outside as they are operated from inside.

They are easy to operate using a hand, and can be open wide or left partially open for ventilation. They are very effective in eliminating draughts and offer the added benefit of removing harmful UV light. In summer they can be paired with a flyscreen to keep out insects and mosquitoes.

Our Trackglaze horizontal sliding systems offer all the advantages of modern double glazing to your traditional sash windows. It is comprised of PVC double sliding tracks on all four sides of the cavity and an easy bristle seal around each glass sheet, and angle handles that can be pulled by fingers to act as a handle and lessen bowing. It is available in kits comprising either 1m or 2m lengths of track and angle which can be butted together to make larger spans.

The acoustic advantages of secondary glazing are extremely significant and it can significantly improve noise reduction from outside especially road, rail & airport traffic. The addition of laminated or toughened glass can further improve acoustic performance. Secondary glazing that is standard 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 boost the efficiency of your house by keeping it warmer longer. This can reduce the need for central heating. It's much less expensive than replacing your sash windows and can be installed almost everywhere without the need to take out the window or door frame.

Vertical Sliders

Secondary glazing is a cost-effective option which is often more manageable than a complete window replacement sash windows. It is also suitable for Listed Buildings & Conservation Areas. It's an ideal solution for upgrading traditional sash windows in Suffolk & Essex with modern insulation benefits, while maintaining the charm of older homes.

Vertical Sliders were designed for use in sash windows where regular hinged panels would not be suitable. The system has two secondary sashes, which are secured one above the other within an outer frame. They are supported by spring balances that allow for ease of movement. The system is available as a face-fixed' (installed to the inside of the existing window) for increased thermal efficiency or a'reveal-fixed version, which is fitted with an air cavity for glass within the window's original reveal, for optimum acoustic performance.

You can pick from a variety of stop-strips and handles to meet your needs. They can be positioned in the closed position for additional security or propped open to allow ventilation on the top or bottom glass. They can be fitted with an insulation bristle to block draughts.

Imagine vertical sliders in 'Choices' secondary glazing features all the authentic timber detailing you'd expect from a period window treatment. It's available in a variety of colors to match your existing sash. It's nearly impossible to distinguish from the original sash windows, as features like sash horns as well as traditional butt joints are integrated into the design. It is available in many sizes and can take glass up to 6.8mm to provide additional insulation against loss of heat. A tilt-in option is available allowing the individual sashes of the frame to hinge towards the back of safety stays to help with cleaning.

Hinged Casement

Our single-pane hinged secondary glazing can be fitted to windows in sash of any design, including casement and traditional box sash. Our hinged units are manufactured with secure multi-point locking and are available with keys lock handles. This combination ensures the glass panel is secured securely in place and is pulled tight to the outer frame creating a seal designed to reduce heat loss. Hinged windows can be top-hung or side-hung and can be double-glazed. Double-glazed windows offer enhanced acoustic performances and are available in 43dB (for 47dB) and 51dB (for 51dB) or 47dB (for 49dB).

Unlike horizontal sash window renovation windows, which have movable sashes that slide horizontally within the frame casement windows can open outwards and let in breezes from a variety of angles. They can also be opened from both the top and bottom to provide controlled airflow. They are therefore able to increase airflow and offer a fantastic alternative to traditional sash windows.

They are commonly employed in modern homes since they have small "sightlines" and unobstructed views. They can also be incorporated into listed properties due to the fact that they don't require mullions or transoms. They can also be utilized in hard-to-reach places as they can be opened by turning a handle.

The primary drawback to this type of window is that it could block off large openings and may restrict the use of certain window treatments. They are also difficult to clean as they swing outward and may require regular maintenance and service.

Lift Out Windows

Secondary glazing can be set up in a variety of ways and the cost will vary depending on the type, thickness, and materials you choose for your frame and panes. uPVC frames are the least expensive, followed by aluminium and then wooden frames. Specialised glass, along with any additional features like security or sound reduction may also raise prices.

The complexity of the installation will also influence the cost. The more complex the project, the more time and labor will be required. This also applies to older homes with more complex sash windows that require expertise and knowledge.

Analyzing the condition of windows that are in use is a good way to start. You can get an accurate estimate of the cost by having them examined by a professional.

In general, secondary glazing will have little impact on the overall look of your home. This is due to the fact that modern FINEO double-glazing has slim and discreet frame lines, so you can get the most efficient thermal performance without sacrificing aesthetics.

The horizontal sliding secondary glazing is popular due to its easy access to the sash window to clean or for ventilation. It is also possible to get them with a tilt function, which you can activate by unlocking the catch on the secondary glass panel and then lifting it vertically to a preset point. This is great for windows that aren't used often and can be used to make it easier to access air conditioning in bay windows. You can even make use of them to open the middle sash of a traditional sash bay window to create a more uniform look.