Secondary Glazing For Sash Windows
Many homeowners are unable install new double glazing on their homes due to financial limitations or because they live in listed buildings that restrict any exterior modifications.
Secondary glazing for sash windows is a good alternative and can be installed with a variety of ways.
This is a double-paned glass that fits inside the frame of your window. It is insulated and provides noise reduction, while stopping cold air from entering your home.
Fixed Inserts
If you're considering secondary glazing for your sash windows, there are several different styles to pick from. Each comes with its own set of benefits, from increased security to less condensation. Which one is the best option for you?
The principle behind secondary glazing is to incorporate an extra pane of glass within the frame of your existing window. This provides an additional layer of insulation and soundproofing, which can dramatically improve the energy efficiency of your home.
However it's not always feasible to add double-glazed windows to your home particularly if you live in a listed building or are subject to strict regulations regarding planning that define what can and can't be done to your exterior.
In these cases secondary glazing is a great alternative that can be installed easily. It's also a popular choice for those looking to upgrade their home without having to tear down the original windows in sash and replace them with modern ones.
There are a variety of different systems for secondary glazing on sash windows. Each can be configured to fit your existing frame. Proprietary systems are usually made of painted aluminum frames that fit into the existing depth of the staff bead on the sash window. This allows sills and shutters to remain.
They can be equipped with different installation methods like glazing clips or Velcro. These types of units look more attractive than screw-fixed ones and are ideal for windows that do not require to be opened frequently. 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 popular way to improve existing windows. They are also very discreet and ideal for historic buildings, conservation areas & listed properties. They can be fitted with the need for access from outside because they are operated from inside.
They are simple to operate with a hand and can be opened wide or left partially open to allow for ventilation. They are extremely effective in getting rid of draughts, and offer the added benefit of removing harmful UV light. In summer they can be paired together with a flyscreen to keep out insects and mosquitoes.
Our Trackglaze horizontal sliding systems offer all the advantages of modern double glazing to your original windows made of sash. It consists of PVC double sliding track on all four sides of cavity, a simple brush seal around each glass sheet and a handle for a finger pull angle to function as a hand and decrease bowing. It comes in kits with 1m or 2m of track and angle that can be stacked together to create bigger spans.
The acoustic benefits of second glazing are extremely important and can enhance noise reduction from outside, especially the airport, rail and road traffic. The addition of laminated glass or toughened glasses further improves the acoustic performance. Secondary glazing is a standard feature that can reduce outside noise to 52dB(Rw), and specialist glass such as Stadip Silence Laminated Acoustic Glass can achieve even higher levels of acoustic performance.
It can increase the energy efficiency of your home by keeping it warmer for longer and decreasing dependence on central heating. It's less expensive than replacing the original bespoke sash windows 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. It is also suitable for Listed Buildings & Conservation Areas. It's a great way to improve the look of traditional sash windows in Suffolk & Essex while retaining their character.
Vertical Sliders were specifically designed to be used in sash window applications in which hinged panels from the standard range would not be suitable. They come with two secondary sashes that are secured with one over the other, within an outer frame. They are supported by sturdy spring balances for ease of movement. The system is available as a 'face-fixed' (installed to the inside of the window) for increased thermal efficiency or a'reveal-fixed version that comes with a glass-to-glass cavity, within the original window reveal, for optimum sound quality.
You can choose from a range of handles and stop-strips to match your preferences. They can be positioned in the closed position for additional security, or propped open to allow ventilation on the glass's top or bottom. They can also be fitted with an insulation bristle to block drafts.
'Choices’ Imagine vertical slider secondary glass comes with all the authentic wood detailing you'd expect to find in a period window. It is available in a variety of colours that match your existing sash. It's difficult to distinguish from the original sash window with features like the sash's horns and traditional butt joints being incorporated into the design. It's available in a broad variety of sizes and can accept glass up to 6.8mm to add insulation to prevent loss of heat. The tilt-in feature allows the individual sashes of the window to be hinged inwards on safety stays to facilitate cleaning.
Hinged Casement
Our single-pane secondary glass can be installed on sash windows in any design, including traditional box sash and casement. The hinged units we offer can be supplied with a keylock handle, and are manufactured with multi-point locking. This will ensure that the glazed panel is secured and is pulled tightly against the frame, creating a seal to minimize loss of heat. Hinged windows can be purchased as either top or side hung and can also be constructed by double-glazing. double glazed sash windows cost-glazed windows are a great way to improve audio-acoustic performance. They are available in 43dB, 47dB or 51dB.
In contrast to horizontal sash windows with movable sashes that slide horizontally within the frame casement windows are able to open outward and capture breezes from a variety of angles. They can be opened from the top and bottom for controlled ventilation. For this reason, they can increase airflow and provide an effective alternative to traditional sash secondary glazing windows.
They are popular in modern homes due to their slim "sightlines" which allow for unobstructed view, but they can also be put in listed buildings since they do not require transoms or mullions. They are also a good choice for hard-to-reach areas because they can be opened with the turn of the handle.
The primary drawback to this type of window is that it could block large openings and may restrict the use of certain window treatments. They can be difficult to clean, as they can swing outward. They may also require regular maintenance and service.
Lift Out Windows
Secondary glazing can be installed using a variety of ways. The cost of installation will vary according to the preference of the materials thickness, thickness, and the type of glass. upvc sliding sash windows windows are usually the least expensive, followed by aluminium and finally wooden window frames. Specialized glass, in addition to any extra features such as security or sound reduction can increase the cost of windows.
The complexity of the installation will also impact the cost. The more complex the project, the more time and labor will be required. This is also true for heritage properties with more intricate sash windows that require expertise and knowledge.
The best place to begin is to evaluate the condition of your existing windows. You can get a reliable estimate of the cost by having them examined by a professional.
In general, secondary glazing has an insignificant impact on the look of your home. Modern FINEO double-glazing has slim and distinct frame lines. This lets you get the most efficient heat without compromising aesthetics.
The horizontal sliding secondary glazing is popular because it allows easy access to the existing sash window to clean or for ventilation. They can also be purchased with a tilt function which is activated by unlocking the catch on your secondary glazing panel and then lifting it vertically to a preset point. This is a great option for windows that aren't used often and is a great way to allow access to air cooling in bay windows. You can also make use of them to open the middle sash of the traditional sash bay windows to create a more uniform look.