Secondary Glazing For Sash Windows

Many homeowners are unable to build new double-glazed windows to their homes due to financial constraints or because they live in listed buildings that restrict any exterior modifications.

Secondary glazing is a fantastic alternative for sash window and can be installed several ways.

It is made up of an additional pane of glass inside the window frame that prevents cold air from entering your home, while also providing insulation and noise reduction.

Fixed Inserts

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

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

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

In these situations, secondary glazing is an excellent alternative that can be installed easily. It's a popular choice for those who wish to renovate their old home without having to replace the original sash window an updated version.

There are many different options for secondary glazing sash windows, each of can be customized to fit your existing frame. Proprietary systems typically have painted aluminium frames which are designed to fit into the depth of a staff bead an existing sash window meaning that shutters and sills are still able to be used.

They can be fitted with a variety of installation methods, like glazing clips or Velcro. They provide a more attractive solution than screw-fixed units, and are particularly suited to windows that don't need to be opened frequently. Alternatively, you can choose a fixed lift-out unit that can be lifted out and put back in place with ease, allowing your windows to be opened.

Horizontal Sliders

Horizontal Sliders provide excellent thermal insulation and are the most sought-after solution to improve the performance of existing windows made of sash. They are also very discreet and ideal for historic buildings, conservation areas & listed properties. They can be fitted with the need for external access because they are operated from inside.

They are simple to operate by hand and can be opened wide or left partially open to allow for ventilation. They are effective at keeping out draughts, and also block harmful UV light. In summer, they can be used with a flyscreen to keep insects out and mosquitoes.

Trackglaze horizontal sliding systems give all the advantages of double glazing for your original mock sash upvc windows window. It is comprised of PVC double sliding tracks that run across all four sides of the cathe inside of an existing window for more efficient thermal performance or fitted with an opening between the frame and the glass for optimum acoustic properties.

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

The 'Choices' vertical slider secondary glass features all the authentic wood detailing you'd expect to find in a period window. It comes in a variety of colours that match your existing sash. It's nearly impossible to distinguish from the original replacing sash cords windows, since details like sash horns and traditional butt joints are included in the design. It's available in a wide range of sizes and accepts glass up to 6.8mm to add insulation to prevent loss of heat. A tilt-in option is available allowing the sashes to be hinged inward on safety stays to aid in cleaning.

Hinged Casement

Our single-pane secondary glazing is able to be positioned on sash windows in any style including traditional box sash and casement window sash. The hinged units we offer can be equipped with a keylock handle, and are made with multi-point locking. This ensures that the glass panel is securely locked in place and pulls tightly against the frame, forming a sealing to minimize heat loss. Hinged windows can be purchased as either top or side-hung and are also available as double-glazed. Double-glazed windows offer enhanced acoustic performances and are available in 43dB (for 47dB) or 51dB (for 51dB) or 47dB (for 49dB).

Unlike horizontal sash windows, with movable sashes that slide horizontally within the frame, casement windows can open outwards and let in breezes from various angles. They can be opened both from the top and bottom to allow controlled airflow. They also improve airflow and offer a fantastic alternative to traditional sash windows.

They are commonly used in modern homes due to their narrow "sightlines" that permit clear views, however they can also be incorporated into listed properties because they don't require transoms or mullions. They're also a good option for areas that are difficult to access since they can be opened by the flick of the handle.

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

Lift Out Windows

Secondary glazing can be installed with a variety of methods and the cost will differ according to the type, thickness, and materials you select for your panes and frame. UPVC windows are typically the least expensive followed by aluminium, and finally wooden window frames. Specialized glass can also add to the cost and also any additional features such as security or sound reduction.

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

The best way to start is by assessing the condition of your current windows. You can get an accurate estimate of the cost by having them checked by professionals.

In general secondary glazing has an insignificant impact on the appearance of your home. This is thanks to the fact that modern FINEO double glazing is slim and discrete frame lines, so you can get the most efficient thermal performance without compromising on aesthetics.

A popular option for secondary glazing is horizontal sliding, which provides easy access to existing sash windows to clean or ventilation. They can also be purchased with a tilt function which you can activate by unlocking the catch on the secondary glazing panel and lifting it vertically until you reach a predetermined point. This is a great option for windows that aren't opened often and is a great way to make it easier to access air conditioning in bay windows. You can use them to open the middle sash of a traditional sash Bay Window to create a more symmetrical appearance.