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Secondary Glazing For Sash Windows

Many homeowners are unable add double glazing to their home, either because of financial limitations or because the structure is listed and modifications to the exterior are forbidden.

Secondary glazing is a great alternative to sash windows. It can be put in various ways.

It consists of an extra pane of glass inside the window frame, which prevents cold air from entering your home, while also offering insulation and noise reduction.

Fixed Inserts

If you're considering secondary glazing for your sash windows, there are a variety of styles you can pick from. Each offers a unique set of benefits, from increased security to lower condensation. Which is the most effective choice for you?

The fundamental idea behind secondary glazing is to fit an additional glass inside the window frame. This provides an additional layer of soundproofing and insulation which can dramatically increase the efficiency of your home's energy use.

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

Secondary glazing is a great alternative in these situations. It can be installed fairly easily. It's a popular choice for those who want to update their period home without the need to replace the original sash window a modern one.

There are a number of different options for secondary glazing sash windows, each one of that can be adapted to fit the frame you have. Proprietary systems usually have painted aluminium frames that are designed to fit into the depth of a staff bead an existing sash window, so that shutters and sills are still able to be used.

They can be equipped with different installation methods like glazing clips or Velcro. These units are more attractive than screw-fixed units and are ideal for windows that do not need to be opened often. Alternately, you can opt for a fixed lift-out unit, which can be lifted out and put back in place with relative ease to allow your windows to be opened.

Horizontal Sliders

Horizontal Sliders offer excellent thermal insulation and are the most well-known solution to improve the performance of existing sash windows. They are also discreet and suitable for older homes or conservation areas as well as listed properties. They can be fitted in most 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 closed for ventilation. They are effective at preventing draughts, and they also filter harmful UV light. They can be used in combination with an insect screen to deter mosquitoes and other insects during summer months.

Trackglaze horizontal sliding systems provide all the benefits of double glazing for the original window sash. It consists of PVC double sliding track on all four sides of the cavity, a simple brush seal around each glass sheet and finger pull angle handle to act as a hand and reduce bowing. It is available in kits of either 1m or 2m lengths of track and angle which can be joined to make larger spans.

Secondary glazing can have a significant effect on noise reduction, especially for road, rail and airport traffic. The inclusion of laminated glass or toughened glasses further improves the acoustic performance. Secondary glazing that is standard reduces outside noise to 52dB (Rw) and specialist glass, like Stadip Silence Laminated Acoustic Glass can deliver even more impressive levels of acoustic performance.

It can improve the energy efficiency of your home by keeping it warmer longer. This can reduce your reliance on central heat. It's much less expensive than replacing your old sash windows and can be installed almost everywhere without the need to remove the window or door frame.

Vertical Sliders

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

Vertical Sliders are specially designed for windows with sash openings where standard hinged panels aren't appropriate. The system features two secondary sashes, which are fixed one above the other within an outer frame. They are supported by spring balances to allow for ease of movement. The system can be purchased as a 'face-fixed' (installed to the inside of the window sash replacement) for improved thermal efficiency or a'reveal-fixed version, which comes with a glass-to-glass cavity inside the window reveal, to ensure optimal sound quality.

You can choose from a range of stop-strips and handles to match your preferences. They can be positioned in the closed position to provide additional security, or propped open for ventilation on the top or bottom glass. They can also be fitted with an insulating bristle seal that can stop draughts.

'Choices’ Imagine vertical slider secondary glass has the same authentic wood details you'd expect in a window covering from the past. It is available in a variety of colours that will match your existing sash. It's almost impossible to distinguish from original sash windows, since features 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 give additional insulation against loss of heat. A tilt-in option is also available allowing the individual sashes of the frame to hinge inward on safety stays to aid in cleaning.

Hinged Casement

Our single-pane secondary glass can be positioned on sash windows of any style, including traditional box sash window 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 the glazed panel is locked securely in place, and it pulls tightly against the frame, creating a seal to minimise heat loss. Hinged windows can be top-hung or side-hung, and they can also be double-glazed. Double-glazed windows offer enhanced audio-acoustic performance. They are available in 43dB, 47dB and 51dB.

Contrary to horizontal sash windows with movable sashes that slide horizontally within the frame casement windows are able to open outwards and catch breezes from a variety of angles. They can be opened both from the top and bottom to allow controlled airflow. Because of this, they can increase airflow and offer an effective alternative to traditional windows made of sash.

They are commonly used in modern homes due to their slim "sightlines" which allow for an unobstructed view. However, they can also be put into listed properties because they do not require mullions and transoms. They're also a great option for areas that are difficult to access since they can be opened by the flick of the handle.

This kind of window can be a disadvantage because it could limit the use of certain window coverings. They can be difficult to clean since they swing outward. They could also require regular maintenance and service.

Lift Out Windows

Secondary glazing can be installed using a variety methods. The cost will differ depending on your selection of materials thickness, thickness, and the type of glass. UPVC frames are the cheapest expensive, followed by aluminium and wooden sash window frames. Specialised glass can also increase the cost and include additional features such as security or sound reduction.

The complexity of the installation will also influence the cost. The more complex the project will take longer and more labor will be required. This is also true for historic properties with more complex sash windows, which require specialized knowledge and expertise.

Examining the condition of your windows that are in use is a good way to begin. You can get a reliable estimate of the cost by having them examined by an expert.

Generally speaking, secondary glass 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 sleek and subtle frame lines, so you can achieve thermal efficiency without sacrificing aesthetics.

The horizontal sliding secondary glazing option is popular due to its easy access to the sash window to clean or for ventilation. They also come with a tilt feature, which can be activated by unlocking the catch and then lifting your secondary glazing panel vertically to a predetermined point. This is great for windows that aren't opened often and is a great way to facilitate access for air cooling in bay windows. You can also use them to open the middle sash window cost of the traditional flush sash windows bay windows to create a more uniform look.