10 Things You Learned In Kindergarden To Help You Get Started With Secondary Glazing Sash Windows

10 Things You Learned In Kindergarden To Help You Get Started With Secondary Glazing Sash Windows

Secondary Glazing For Sash Windows

Many homeowners aren't able to install double glazing to their house because of financial limitations or because the structure is listed and modifications to the exterior are not permitted.

Secondary glazing is an excellent alternative to sash windows. It can be installed in a variety of ways.

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

Fixed Inserts

There are a variety of styles of secondary glazing available for Sash windows. Each style has its own set of 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 inside the window frame. This adds a layer of insulation and noiseproofing to your home, increasing its energy efficiency.

However, it's not always possible to add double-glazed windows for your home particularly if you reside in a listed building or are subject to strict planning regulations that dictate what can and cannot be done to your exterior.

Secondary glazing is a great alternative in these circumstances. It can be installed relatively easily. It's a popular option for those who wish to update their period home without having to replace the original sash window a more modern version.

There are many different options for secondary glazing sash windows, each one of which is configurable to suit your existing frame. 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 can still be retained.

They can be installed using a variety of installation methods, including glazing clips and Velcro. These offer a more aesthetic solution than screw-fixed units, and are particularly suited to windows that aren't required to be opened regularly. You can also choose a fixed lift-out device that can be easily removed and reinstalled to open your windows.

double glazed timber sash windows  offer excellent thermal insulation and are the most popular solution for improving existing sash windows. They are also very discrete and suitable for older buildings, conservation areas & listed properties. They can be installed in the majority of cases without the need for access from outside as they are operated from inside.

They can be operated manually, and they can be left open or partially opened to allow ventilation. They are effective at preventing draughts, and they also block harmful UV light. In the summer they can be paired with a flyscreen to keep out insects and mosquitoes.



Our Trackglaze horizontal sliding system provides all the benefits of modern double glazing to your traditional sash windows. It consists of PVC double sliding track that runs across all four sides of the cavity with a brush seal around each glass sheet and a finger pull angle handle to act as a hand and decrease bowing. It is available in kits of 1m or 2m track and angle that can be stacked together to create bigger spans.

The acoustic benefits of second glazing are very significant and can dramatically improve noise reduction from outside especially railway, road and airport traffic. The addition of laminated or toughened glass further enhances acoustic performance. Standard secondary glazing can reduce outside noise to 52dB(Rw) and specialized glass like Stadip Silence Laminated Acoustic Glass can deliver even higher levels of acoustic performance.

It can improve the energy efficiency of your house by keeping it warmer for longer. This will decrease the use of central heating. It's much less expensive than replacing your sash windows, and can be installed almost everywhere without the need to take out the existing window or door frame.

Vertical Sliders

Secondary glazing is an affordable option that is typically simpler to manage than a full window replacement. It's suitable for Listed Buildings & Conservation Areas. It's a great option to upgrade traditional sash Windows in Suffolk & Essex while retaining their character.

Vertical Sliders are specifically designed for sash windows, where regular hinged panels don't work. They feature two secondary sashes which are secured to one sash over the other, within an outer frame and are supported by sturdy spring balances to allow for easy movement. The system can be placed on the inside of a window to provide greater thermal efficiency or fitted with an opening between the frame and the glass to ensure the best acoustic performance.

You can pick from a range of stop-strips and handles that suit your preferences. They can be fixed in the closed position to provide additional security, or propped open to allow ventilation on the glass's top or bottom. They can be equipped with an insulation bristle to block drafts.

Imagine vertical sliders in 'Choices' secondary glazing has all the authentic timber detailing you'd expect from an antique window treatment and comes in a variety of colors to match your existing sash. It's nearly impossible to distinguish from original sash windows, since details like sash horns as well as traditional butt joints are included in the design. It's available in an extensive range of sizes and accepts glass up to 6.8mm to add insulation to prevent loss of heat. A tilt-in option is also available allowing the sashes to be hinged inward on safety stays for easier cleaning.

Hinged Casement

Our single-pane secondary glazing can be fitted on sash windows of any design, including traditional box sash and casement. Our hinged units are manufactured with secure multi-point locking and are available with a key lock handle. This will ensure that the glass panel is secured securely in place, and it pulls tight to the outer frame creating a seal designed to minimise heat loss. Hinged windows are available either top or side hung and can also be constructed by double-glazing. Double-glazed windows offer enhanced sound insulation and are available in 43dB (for 47dB) or 51dB (for 51dB) or 47dB (for 49dB).

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 various angles. They can also be opened from both the top and bottom for controlled airflow. They can therefore improve airflow, and are a great alternative to traditional sash window.

They are typically utilized in modern homes as they have small "sightlines" and unobstructed views. They can also be used in listed homes due to the fact that they don't require mullions or transoms. They can also be utilized in areas that are difficult to access since they can be opened by turning the handle.

The primary drawback to this type of window is that they can block large openings and may restrict the use of certain window treatments. They are difficult to clean as they can swing outward. They also may require regular maintenance and servicing.

Lift Out Windows

Secondary glazing can be put in place using a variety methods. The cost of installation will vary according to your preference of the materials such as thickness, thickness and kind of glass. Upvc frames are the most expensive followed by aluminium, and then wooden frames. Specialized glass can also add to the cost and include extra features, such as security or sound reduction.

Another factor that affects the cost is the complexity of the installation. The more complex the project, the more time and labor will be required. This is also true for heritage properties with more intricate designs for sash windows.

A good place to start is to evaluate the condition of your current windows. The survey conducted by an experienced professional will give you an accurate estimate of what the price could be.

In general secondary glazing can have an insignificant impact on the appearance of your home. Modern FINEO double-glazing has thin and subtle frame lines. This allows you to improve thermal efficiency without sacrificing aesthetics.

The horizontal sliding secondary glazing is popular because it allows easy access to the existing sash window for cleaning or ventilation. They also come with a tilt function, that can be activated by unlocking the catch and raising your secondary glazing panel vertically up to a certain level. This is ideal for windows that aren't frequently opened. It can also be used to permit air conditioning access in bay windows. You can also use them to open the middle sash in a traditional sash Bay Window to create a symmetrical appearance.