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Secondary Glazing For Sash Windows

Many homeowners are not able to build new double-glazed windows to their homes, either because of financial constraints or because they reside in listed buildings which prohibit any exterior modifications.

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

It is made up of an additional pane of glass inside the window frame, which stops cold air from getting into your home, as well as providing insulation and noise reduction.

Fixed Inserts

If you're considering secondary glazing for your sash windows, there are a variety of styles to pick from. Each comes with its own set of benefits, from increased security to lower condensation. Which is the most effective option for you?

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

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

In these cases, secondary glazing is an excellent alternative that can be put in easily. It's also a popular option for those who want to modernize their period property without having to take down the original windows in sash and replace them with modern ones.

There are many different options available for secondary glazing sash windows, each of can be customized to fit the frame you have. Proprietary systems are generally made of painted aluminum frames that fit into the existing staff bead depth on windows with sash window replacement. This allows sills and shutters to be retained.

These can be fitted with different installation methods like 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. Alternately, you can choose a fixed lift-out unit that can be lifted and put back in place with ease to allow your windows to be opened.

Horizontal Sliders

Horizontal Sliders provide excellent thermal insulation and are the most popular option for enhancing existing windows made of sash. They are also quiet and are ideal for historic homes as well as 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 are easy to operate with a hand and can be opened wide or left partially open to allow for ventilation. They are very effective at getting rid of draughts, and have the added benefit of removing harmful UV light. They can be used in conjunction with a flyscreen to ward off mosquitoes and other insects during summer months.

Trackglaze horizontal sliding systems provide all the benefits of double glazing for your traditional sash window. It is comprised of pvc sash windows double sliding track that runs across 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 and decrease bowing. It is available in kits with 1m or 2m of track and angle that can be stacked together to create larger spans.

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

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

Vertical Sliders

Secondary glazing is a cost-effective option which is often less expensive than full window replacement sash windows and is perfectly suitable for Listed Buildings & Conservation Areas. It's an excellent way to upgrade traditional sash Windows in Suffolk & Essex while retaining their character.

Vertical Sliders were designed for sash window applications in which hinged panels from the standard range would not be suitable. They have two secondary glazing sash window sashes that are secured, one above the other, inside an outer frame. They are supported by sturdy spring balances that allow for effortless movement. The system can be put on the inside of a window to provide more efficient thermal performance or fitted with a cavity between the glass and the frame to ensure the best acoustic performance.

You can choose from a variety of handles and stop-strips to suit your preferences. They can be put in a closed position for additional security, or propped open to allow ventilation on the glass's top or bottom. They can also be equipped with an insulating bristle seal that can prevent draughts.

'Choices' Imagine vertical slider secondary glazing has the same authentic wood detailing you'd expect from an antique window treatment and comes in an array of colours to match your existing sash. It's almost impossible to differentiate from the original sash window with details like sash horns and 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 provide additional insulation against loss of heat. A tilt-in option is also available to allow the individual sashes to hinge towards the back of safety stays to aid in cleaning.

Hinged Casement

Our single-pane hinged secondary glass can be incorporated into sash windows of any style including traditional and casement sash. Our hinged units are equipped with a keylock handle and are made with multi-point locking. This ensures that the glazed panel is locked in place and is pulled tightly to the outer frame, creating a seal to minimise loss of heat. Hinged windows are available as either side or top hung and are also available as double-glazed. Double-glazed windows offer enhanced acoustic performance and are available in 43dB, 47dB and 51dB.

Unlike horizontal sash windows, which have movable sashes that slide horizontally within the frame casement windows can be opened outwards and let in breezes from various angles. They can also be opened from both the top and bottom for controlled ventilation. For this reason, they can improve airflow and provide an effective alternative to traditional windows made of sash.

They are commonly employed in modern homes since they offer small "sightlines" and unobstructed views. They can also be used in listed homes because they don't require transoms or mullions. They can also be utilized in areas that are difficult to access since they can be opened by turning the handle.

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

Lift Out Windows

Secondary glazing can be put in with a variety of methods and the cost will differ according to the thickness, type and materials you choose for your frame and panes. UPVC windows are typically the least expensive, followed by aluminium and then wooden double glazed sash windows window frames. Specialized glass may also increase the price, as well as any extra features, such as security or sound reduction.

Another factor that will influence the cost is the complexity of the installation. The more complicated the installation, the more time and labour will be required. This is also true for heritage properties with more complex sash windows, which require specialized knowledge and expertise.

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

In general, secondary glazing will have a minimal impact on the overall appearance of your home. This is thanks to the fact that the modern FINEO double glazing has slim and discreet frames, meaning you can get the most efficient thermal performance without compromising on aesthetics.

The horizontal sliding secondary glazing option is a popular choice because it permits easy access to the sash window to clean or for ventilation. You can also get them with a tilt feature, which is activated by unlocking the catch on your secondary glazing panel and then lifting it vertically to a set point. This is ideal for windows that aren't used frequently and can be used to allow access to air conditioning in bay windows. You can also make use of them to open the middle sash on a traditional sash bay window to create a more uniform look.