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10 Things We All Are Hating About Secondary Glazing Sash Window
How Secondary Glazing Can Improve Your Sash Window Insulation

If you're looking to reap the benefits of double glazing, but you aren't able to - or don't wish to replace your current windows with sash, then secondary glazing is an ideal solution.

It is a cost-effective solution that improves insulation and reduces draughts, without changing the appearance of the house. It can be utilized in cases where the property deeds stipulate that original features must be kept.

Improved Main Page can be difficult to insulate sash windows when your house is older and you have older windows with sash. This is usually due to the limitations of planning or due to the difficulty of changing an old-fashioned window without the risk of losing its distinctive appeal. Secondary glazing is an ideal way to boost the insulation of your home. This involves adding a second pane of glass to the existing frame, adding an additional layer of insulation that will keep your home warm for longer, and also reduce the cost of energy.

The additional glass pane that is added to the windows you already have serves as insulation, trapping air and heat inside your home. Additionally, the secondary pane helps to reduce the noise outside. This is particularly useful when you live in an area where noise can be an issue. It will help keep your home peaceful.

It is important to know that, while secondary glazing will improve your home's insulation however, it will not be as effective as installing double-glazed windows. This is due to the gap that is left between the two panes glass does not provide as much thermal efficiency as a true double-glazed window.

We offer a range of bespoke secondary glazing options which are designed to match your original sash window and the specific requirements of your property. We can even create secondary glazing that opens in conjunction with the original sash window, allowing you to enjoy the benefits of increased insulation without having to give up your beautiful historic windows.

This option is very popular with homes and listed buildings in conservation areas. It lets you benefit from improved energy efficiency while not having to compromise the appearance and feel of your home. Utilizing innovative methods like vacuum double glazing, we can achieve the highest level of insulation while still permitting the sash windows to be opened.

We also provide a variety of decorative finishes that will match your existing window sash and improve the appearance of your home. This includes shutters, blinds and curtains. All of them can also increase the thermal performance of your home by acting as a barrier to block cold air from entering.

Reduced noise

Sash windows are an essential element of many homes. They can be noisy and draughty. One way to improve sash window insulation is to install secondary glazing. This is a low-cost solution that can improve thermal efficiency and reduce outside noise. It is also an ideal option for older homes, since it keeps the original design and protect them from burglars.

Sliding secondary glass is available in a range of styles and sizes and styles, making it easy to find the ideal design for your home. Fixed inserts are aluminium frames which can be inserted into the sash window you have already installed. They can be put in permanently or semi-permanently, depending on the requirements of your. They're a straightforward DIY option for homeowners looking to make their own improvements.

A wide selection of glass is available, including toughened safety glass and laminated acoustic glass. Using acoustic glasses in the secondary glazing can help reduce outside noise and can increase the privacy within your home. This is especially important if you live close to a busy road or other loud areas.

Secondary glazing can greatly reduce noise pollution and make it easier to relax and enjoy your home. It is also a great idea for those who have pets or children, as it will reduce the amount that enters your home. It can also help stop external noises from disrupting your sleep cycle.

If you live in an historic or listed building, it may not be possible to install double-glazed windows without altering the design of your home. You can boost your energy efficiency by adding another glass to your sash window. It's a cost-effective, durable option that can offer numerous benefits, including less noise, increased security, and increased heat retention.

The best thing about secondary glazing is it can be incorporated into your existing sash window and preserve the charm and character while increasing your home's insulation and energy efficiency. It is also cheaper than replacing every sash windows with new ones.

Enhance the appearance of your home

A great option to replace your windows with sash by installing double glazing, secondary glazing adds another glass pane within the frame. This creates a barrier that reduces heat loss and improves the energy efficiency of your home. It also helps reduce noise from outside, creating a peaceful and peaceful environment. It's also a much more efficient way to improve the insulation of your home, without changing the original appearance.

The addition of a second glass layer to the sash windows you already have provides excellent insulation, reducing heat losses by up to 60 percent. It will keep your home warmer for longer, and will save money over the long run. The secondary glazing will also reduce black mould and condensation, since it stops moisture from getting into wooden window frames.

There are a number of different secondary glazing systems, that can be used with a variety of different sash windows. Some systems have a sash which can be closed and opened and closed, while others are fixed, or are only open to allow ventilation. There are also options that do not require a mullion or transom which makes them suitable for heritage and listed homes. There are a myriad of colours and finishes to choose from so you can find the perfect style for your home.

It's an excellent option for homes with historic or period style that aren't able to afford replacing their sash windows with identical replacements. It's also a popular choice for those who reside in a conservation area or in a listed structure in which there are restrictions on what can be done to the building's windows.

Secondary glazing has a slim sightline, that doesn't obstruct the original sash window. This is an excellent option for homeowners seeking to upgrade their current windows with sash to reduce noise pollution and improve energy efficiency.

Reduced condensation

Condensation is a typical issue with sash windows. It occurs when the warm air inside the property is pushed against the cold surface of the window, which causes water droplets to form. This can cause mould and damp problems in the home. Secondary glazing can help to alleviate this issue by creating an additional layer of insulation that stops the transfer of heat between the window and the room. This means you'll be able to keep your home warmer for longer and use less energy, saving you money on heating bills.

The addition of an extra pane of glass also improves the acoustic quality of windows with sash. It separates the movement of the sash from the frame, which reduces resonance between the two and limiting sound leakage. The second pane is improved in acoustical efficiency by using acoustic-laminated or a thicker glass.


Secondary glazing for windows in sash is not double glazed and doesn't require the removal of the old window. It simply adds another pane of glass to the existing frame. This makes it an excellent option for listed homes and heritage buildings in which it can be difficult or impossible to install new double-glazed windows.

Secondary glazing for sash windows comes in many different styles. They include vertical sliders as well as hinged cases. These are popular options for listed buildings, as they can be installed without mulliations or transoms. This keeps the original appearance of the window. Both styles are available with a lift-out facility to make cleaning and maintenance easier.

For properties that don't require regular ventilation, or where opening the original sash window could be risky A fixed secondary glazing option is available. These can be equipped with a stay to keep them in a pre-determined minimum level, eliminating the need to open manually the windows manually. In these circumstances, it is recommended to check humidity levels using a hygrometer and make steps to reduce the amount of moisture in the property. This may include enhancing ventilation, installing a dehumidifier and addressing any leaks around the building.

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