Secondary Glazing For Sash Windows
Many homeowners aren't able to install double glazing to their homes, either because of financial limitations or because the structure is listed and any modifications to the exterior are not permitted.
Secondary glazing for windows made of sash is an excellent alternative that can be put in using a variety of methods.
This is a double-paned, insulated glass that fits inside your existing window frame. It provides insulation and noise reduction, while preventing cold air from entering the home.
Fixed Inserts
If you're thinking of secondary glazing for your sash windows there are many different styles you can pick from. Each has its own set of benefits, from increased security to less condensation. Which is the best choice for you?
The fundamental idea behind secondary glazing is to fit an additional glass within the frame of your existing window. This adds an additional layer of insulation and noiseproofing your home, increasing its energy efficiency.
However, it's not always possible to install new double-glazed windows to your home particularly if you reside in a listed structure or are subject to strict planning regulations which dictate what can and can't be done to your exterior.
Secondary glazing is an excellent alternative in these situations. It can be installed relatively easily. It's a popular option for those looking to renovate their old 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 of that can be adapted to fit your frame. The proprietary systems are typically constructed of painted aluminium frames that fit into the existing staff bead depth on the sash window. This allows shutters and sills to be kept.
They can be installed with a variety of mounting methods, including glazing clips and Velcro. These offer a more aesthetic solution than screw-fixed units, and are especially suited for windows that don't need to be opened frequently. You can also opt for a fixed lift-out unit that can be lifted out and put back in its place with ease to allow windows to be opened.
Horizontal Sliders
Horizontal Sliders provide excellent thermal insulation and are the most popular solution for improving existing windows made of sash. They are also very discrete and suitable for older buildings, conservation areas, and listed properties. They can be fitted in most cases without the need for access from outside because they are operated from inside.
They can be operated with a hand and can be left open or partially opened for ventilation. They are very effective in eliminating draughts and offer the added benefit of blocking harmful UV light. In summer they can be utilized with a flyscreen to keep insects out and mosquitoes.
Trackglaze horizontal sliding systems provide all the benefits of double glazing for your original window sash. It consists of PVC double sliding tracks that run across all four sides of the cavity and a simple bristle seal around each glass sheet, and angle handles that can be pulled by fingers to serve as handles and lessen bowing. It is available in kits of 1m or 2m lengths of track and an angle, which can be joined to create larger spans.
The acoustic benefits of secondary glazing are very important and can improve noise reduction from outside, especially the airport, rail and road traffic. The addition of laminated glass or toughened glasses enhances the acoustic performances. 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 deliver even higher levels of acoustic performances.
It can increase the energy efficiency of your home by keeping it warmer for longer and reducing reliance on central heating. It is less expensive than replacing the original sash window, and can be installed without the need to remove the existing frame.
Vertical Sliders
Secondary glazing is an affordable option that is typically easier to manage than full window replacement. It's suitable for Listed Buildings & Conservation Areas. It's an ideal solution to replace windows made of sash in Suffolk & Essex with modern insulation benefits while keeping the charm of older homes.
Vertical Sliders were specifically designed for use in sash window restoration near me windows where hinged panels of the regular kind aren't suitable. They feature two secondary sashes which are secured to one sash over the other, within an outer frame. They are supported by robust spring balances for ease of movement. The system can be purchased as a 'face-fixed' (installed to the inside of the window) for increased thermal performance, or a'reveal fixed' version which has a glass to glass cavity within the window's original reveal, for optimal audio-acoustic performance.
They can be fitted with a variety of stops and handles to accommodate the preferences of the homeowner and can be used to prop open the top or bottom pane to let in air, or they can be secured in a closed position for added security. They can also be equipped with an insulating bristle seal that can stop draughts.
Imagine vertical sliders in 'Choices' secondary glazing features the same authentic wood detailing you'd expect from a vintage window treatment. It's also available in an array of colours to match your existing sash. It is almost impossible to differentiate from the original sash windows as details such as sash horns as well as traditional butt joints are included in the design. It's available in a wide selection of sizes and will accept glass up to 6.8mm to add insulation to prevent heat loss. The tilt-in feature allows the individual sashes of the window to be hinged upwards on safety stays for easier cleaning.
Hinged Casement
Our single-pane secondary glass can be fitted on sash windows in any style including traditional box sash windows refurbishment and casement. Our hinged units can be supplied with a keylock handle and are manufactured with multi-point locking. This combination ensures the glazed panel is locked securely in place and is pulled close to the frame, creating a seal to minimize heat loss. Hinged windows can be top-hung or side-hung, and they can also be double-glazed. Double-glazed windows provide better acoustic performances and are available in 43dB (for 47dB) or 51dB (for 51dB) or 47dB (for 49dB).
Casement windows can open up and let in breezes at various angles. This is different from a horizontal sash window, which has movable sashes within the frame, which slide horizontally. They can also be opened from the top and bottom for controlled airflow. This is why they can increase airflow and offer an effective alternative to traditional windows with sash.
They are commonly utilized in modern homes as they have small "sightlines" and unobstructed views. They can also be used in listed properties due to the fact that they do not require transoms or mullions. They can also be utilized in places that are difficult to reach since they are easily opened by turning a handle.
The primary disadvantage of this type of window is that it can block off large openings and may restrict the use of certain window treatments. They are difficult to clean, as they swing outward. They also may require regular maintenance and service.
Lift Out Windows
Secondary glazing can be put in place using a variety of ways. The cost will vary depending on your selection of materials such as thickness, thickness and kind of glass. uPVC frames are the least expensive followed by aluminium, and then wooden sash windows frames. Specialized glass may also increase the price and include extra features, such as security or sound reduction.
The complexity of the installation will affect the cost. The more complex the project will take longer and require more labour it will take. This is also true for heritage properties that have more intricate design of sash windows.
A good place to start is to assess the condition of your existing windows. You can get an accurate estimate of the cost by having them inspected by professionals.
In general secondary glazing has little effect on the look of your home. Modern FINEO double-glazing features thin and discrete frame lines. This lets you achieve thermal efficiency without compromising aesthetics.
A very popular choice for secondary glazing is horizontal sliding, which allows easy access to your existing sash windows for cleaning or ventilation. It is also possible to get them with a tilt function, which you can activate by releasing the catch on the secondary glazing panel and lifting it vertically to a set point. This is perfect for windows that don't get opened very often. It can also be used to allow air conditioning access to bay windows. It is also possible to make use of them to open the middle sash of a traditional sash bay window to give a more symmetrical appearance.