Secondary Glazing For Sash Windows
Many homeowners are unable build new double-glazed windows to their homes, either because of financial constraints or because they live 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.
This is a
double glazed timber sash windows-paned, insulated glass that fits into the frame of your window. It provides insulation and noise reduction, in addition to preventing cold air from entering your home.
Fixed Inserts
There are many different styles of secondary glazing for sash windows. Each has its own number of advantages, ranging from increased security to less condensation. But which is the best choice for you?
The basic idea behind secondary glazing is to install an additional glass inside the window frame. This provides an additional layer of insulation and soundproofing, which can significantly improve your home's energy efficiency.
However it's not always feasible to add double-glazed windows to your home particularly if you live in a listed structure or are subject to strict regulations regarding planning which dictate what can and can't be done to your exterior.
Secondary glazing is a great alternative in these circumstances. It can be set up relatively easily. It's a popular option for those who wish to modernize their home without the need to replace the original sash window with a more modern version.
There are a number of different options available for
secondary glazing sash windows, all of which is configurable to suit your frame. Proprietary systems are usually comprised of painted aluminum frames that fit the existing staff bead depth on windows with sash. This allows shutters and sills to be retained.
They can be fitted with different installation methods including glazing clips or Velcro. These types of units look more attractive than screw-fixed units and are best suited for windows that don't need to be opened often. You can also select a fixed lift-out device that can be easily removed and reinstalled to allow you to open your windows.
Horizontal Sliders
Horizontal Sliders provide excellent thermal insulation and are the most well-known solution to improve the performance of existing windows made of sash. They are also discrete and ideal for historic properties as well as conservation areas and listed properties. In the majority of cases, they can be installed without external access because they are operated from inside.
They are simple to operate using a hand, and can be open wide or left partially open for ventilation. They are effective at keeping out draughts, and also block harmful UV light. They can be used in conjunction with an insect screen to deter mosquitoes and other insects during the summer months.
Our Trackglaze horizontal sliding system provides all the advantages of modern double glazing to your original sash windows. It consists of PVC double sliding track on all four sides of cavity, a simple brush seal around each sheet of glass and finger pull angle handle to act as a hand and decrease bowing. It is available in kits of either 1m or 2m lengths of track and an angle, which can be joined to make larger spans.
The acoustic benefits of second glazing are extremely important and can improve noise reduction from outside especially road, rail & airport traffic. The use of laminated glass or toughened glasses improves the acoustic performance. Secondary glazing is a standard feature that can reduce outside noise to 52dB(Rw) and specialist glass like Stadip Silence Laminated Acoustic Glass can deliver even higher levels of acoustic performance.
It can boost the efficiency of your home by keeping it warmer for longer, and reducing dependence on central heating. It is much cheaper than replacing your sash windows and is installed almost everywhere without the need to take out the existing window or door frame.
Vertical Sliders
Secondary glazing is a cost-effective choice that is often more manageable than a complete window replacement. It is suitable for Listed Buildings & Conservation Areas. It's a great option to improve the look of traditional sash windows in Suffolk & Essex while retaining their originality.
Vertical Sliders are designed especially for sash windows, where regular hinged panels don't work. The system is comprised of two secondary sashes, which are secured one above the other within an outer frame. They are supported by spring balances to allow for easy movement. The system can be installed on the inside of a window to provide better thermal performance or fitted with a space between the glass and the frame to maximize acoustic properties.
They can be equipped with a variety of stops and handles to meet the needs of the homeowner by allowing the bottom or top pane to let in air, or they can be placed in a closed position for added security. They can also be equipped with an insulating bristle seal that can prevent draughts.
Imagine vertical sliders in 'Choices' secondary glazing has all the authentic timber detailing you'd expect from a vintage window treatment. It's available in a variety of colors to match your existing
sash window locks. It's nearly impossible to tell apart from the original
sash window restoration window with details such as the sash's horns and traditional butt joints incorporated into the design. It is available in various sizes and can take glass up to 6.8mm to add insulation to loss of heat. The tilt-in option permits the individual sashes of the window to be hinged inwards on safety stays for easier cleaning.
Hinged Casement
Our single-pane secondary glazing is able to be fitted on sash windows in any style including traditional box sash and casement. Our hinged units are manufactured with a secure multi-point locking system and are available with keys and a handle for the lock. This combination ensures the glazed panel is held securely in place and pulls tightly against the frame, forming a seal to minimize heat loss. Hinged windows can be side-hung or top-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 from different angles. This is unlike the horizontal sash window, which has movable sashes within the frame that move horizontally. They can be opened from the top and bottom to allow controlled airflow. For this reason, they can increase airflow and offer an effective alternative to traditional windows made of sash.
They are used in modern homes due to their slim "sightlines" which allow for an unobstructed view. However, they can also be installed in listed homes since they don't require mullions and transoms. They're also a great option for those who live in areas that are difficult to reach as they can be opened with the flick of the handle.
The primary disadvantage of this type of window is that it could block off large openings and limit the use of certain window treatments. They are also difficult to clean since 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 vary according to the type, thickness and materials you select for your frames and panes. uPVC frames are the least expensive followed by aluminium, and then wooden frames. Specialised glass can also increase the price and also any extra features, such as security or noise reduction.
The complexity of the installation will affect the cost. The more complicated the project will take longer and require more labor it will require. This is also applicable to older properties that have more complex design of sash windows.
Analyzing the condition of windows that are in use is a good way to start. You can get a reliable estimate of the cost by having them examined by an expert.
In general secondary glazing can have an insignificant impact on the look of your home. Modern FINEO double-glazing has thin and subtle frame lines. This allows you to get the most efficient heat without compromising aesthetics.
A popular choice of secondary glazing is horizontal sliding, which allows easy access to your existing sash windows to clean or ventilation. You can also get them with a tilt function, which you can activate by releasing the catch on your secondary glazing panel and then lifting it vertically to a set point. This is a great option for windows that aren't opened frequently and can be used to allow access to air cooling in bay windows. They can be used to open the middle sash of a traditional sash Bay Window to create a more symmetrical appearance.