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Secondary Glazing For Sash Windows

Many homeowners are unable add double glazing to their house, either due to financial constraints or because the structure is listed and any modifications to the exterior are not permitted.

Secondary glazing for windows with sash is a great alternative and can be installed in various ways.

This product is a double-paned window that fits inside the window frame you already have. It offers insulation and noise reduction, in addition to stopping cold air from entering the home.

Fixed Inserts

There are many different styles of secondary glazing for sash windows. Each has its own number of advantages, ranging from improved security to reduced condensation. But which is the best choice for you?

The fundamental idea behind secondary glazing is to install an additional glass within your window frame. This adds an additional layer of insulation and noiseproofing your home, increasing its energy efficiency.

However it's not always possible to add new double-glazed windows for your home, especially if you live in a listed building or are subject to strict regulations regarding planning that dictate what can and can't be done to your exterior.

In these cases secondary glazing is a fantastic alternative that can be set up easily. It's a popular choice for those looking to update their period home without having to replace the original sash window with a modern one.

There are a number of different systems available for secondary glazing sash windows, all of can be customized to fit the frame you have. Proprietary systems are generally made of painted aluminum frames that fit the existing depth of the staff bead on a sash window. This allows shutters and sills to be kept.

They can be fitted with a variety of installation methods, such as glazing clips or Velcro. These offer a more aesthetic solution to screw-fixed units and are particularly suited to windows that do not need to be opened often. You can also choose a fixed lift-out device that can be easily removed and reinstalled to allow you to open your windows.

Horizontal Sliders

Horizontal sliders are the most sought-after method to enhance the appearance of your sash window. They are also very discrete and suitable for older structures, conservation areas and listed properties. In the majority of cases, they can be installed without access from outside because they are operated from the inside.

They can be operated with a hand, and they can be left open or partially opened to allow ventilation. They are very effective in stopping draughts and also offer the added benefit of filtering out harmful UV light. They can be combined with an insect screen to deter mosquitoes and other insects during summer months.

Trackglaze horizontal sliding systems give all the advantages of double glazing for the original sash window. It is comprised of pvc sash windows double sliding track on all four sides of the cavity, a simple brush seal around each sheet of glass and a finger pull angle handle to act as a hand, reducing bowing. It is available in kits of 1m or 2m of track and angle that can be put together to create larger spans.

Secondary glazing can have a significant impact on noise reduction, particularly for rail, road and airport traffic. The addition of toughened or laminated glass can further improve acoustic performance. Standard secondary glazing can reduce outside noise by 52dB(Rw) and specialist glass like Stadip Silence Laminated Acoustic Glass can deliver even higher levels of acoustic performance.

It can increase the efficiency of your home by keeping it warmer for longer and decreasing dependence on central heating. It is much cheaper than replacing your old sash windows and is installed almost everywhere without the need to remove the window or door frame.

Vertical Sliders

Secondary glazing is a cost effective option that is usually more manageable than a complete window replacement and is perfectly suitable for Listed Buildings & Conservation Areas. It's an ideal solution to upgrade windows with sash in Suffolk & Essex with modern insulation benefits while retaining the character of older homes.

Vertical Sliders are specially designed for sash windows where regular hinged panels aren't appropriate. They feature two secondary sashes which are secured to one sash over the other, within an outer frame. They are supported by strong spring balances for ease of movement. The system can be put on the inside of an existing window for greater thermal efficiency, or it can be equipped with a space between the frame and the glass to maximize acoustic properties.

They can be equipped with a variety of stops and handles to suit the homeowner's preferences, propping open either the top or bottom pane for ventilation, or they can be fixed in a closed position for added security. They can be equipped with an insulation bristle to stop draughts.

The 'Choices' vertical slider secondary glass features all the authentic wood detailing you'd expect to find in a window covering from the past. It comes in a variety of colours that are compatible with your bespoke sash windows. It's difficult to distinguish from the original sash window with details like sash horns & traditional butt joints being incorporated into the design. It is available in many sizes and can be fitted with glass up to 6.8mm to add insulation to heat loss. A tilt-in option is also available that allows the individual sashes to hinge into the safety stays to help with cleaning.

Hinged Casement

Our single-pane Secondary glazing Sash window glazing is able to be fitted on sash windows in any style, including traditional box sash and casement. Our hinged units are constructed with secure multi-point locking and can be supplied with keys and a handle for the lock. This combination ensures that the glazed panel is securely locked in place and is pulled tightly against the frame, forming a sealing to minimise loss of heat. Hinged windows are available either side or top hung and can also be made by double-glazing. Double-glazed windows offer enhanced acoustic performances and are available in 43dB (for 47dB), 51dB (for 51dB) or 47dB (for 49dB).

Casement windows can open up and let in breezes at various angles. This is unlike horizontal sash window, that has movable sashes inside the frame that move horizontally. They can also be opened from the top and bottom for controlled ventilation. This is why they can improve airflow and offer an effective alternative to traditional windows with sash.

They are used in modern homes due to their small "sightlines" which allow for unobstructed view, but they can also be put into listed properties because they do not require mullions and transoms. They're also a good option for those who live in areas that are difficult to reach since they can be opened by the turn of the handle.

The primary disadvantage of this kind of window is that it can block off large openings and limit the use of certain window treatments. They are difficult to clean since they swing outward. They also may require regular maintenance and servicing.

Lift Out Windows

Secondary glazing can be put in place using a variety of ways. The cost will differ depending on your preference of the materials, thickness, and kind of glass. UPVC frames are the cheapest expensive followed by aluminium, and wooden frames. Specialized glass may also increase the cost and also any additional features such as sound reduction or security.

The complexity of the installation will also influence the cost. The more complex the project is, the more time and labor will be required. This is especially true for heritage properties that have more intricate sash window designs.

Examining the condition of your existing windows is a good place to start. You can get a reliable estimate of the cost by having them checked by a professional.

In general secondary glazing can have a minimal effect on the appearance of your home. This is due to the fact that modern FINEO double glazing is slim and discrete frame lines, so you can attain thermal efficiency without sacrificing aesthetics.

The horizontal sliding secondary glazing is a popular choice because it permits easy access to the sash window for cleaning or ventilation. You can also get them with a tilt function, which is activated by unlocking the catch on your secondary glazing panel and lifting it vertically until you reach a predetermined point. This is perfect for windows that aren't opened often. It can be used to provide air conditioning access to bay windows. You can even use them to open the middle sash of an old-fashioned sash bay window to create a more symmetrical look.