uPVC Sash Windows 101: Everything You Need to Know

uPVC sash windows have been one of the most preferred styles of windows installed by homeowners. This has been a widely renowned choice among people who are renovating their homes and installing new window frames. The weight of the uPVC sash windows is very less, so it is convenient to install and move these windows.

Why are uPVC Sash Windows so Useful?

The main component of these kinds of windows is the Unplasticised Polyvinyl Chloride, which is a rigid and high-endurance material. These windows are popular among people because of their low maintenance. Homeowners want cost-friendly options and resources on uPVC sash windows because it does not require repainting, even after longer use. Unlike frames made of timber, uPVC can protect against natural rot. Similarly, unlike aluminium sash windows, uPVC sash windows will not catch rust as it is heavily resistant to even damp weather. Therefore, uPVC windows are becoming more popular than ever.

What is a Sash in a Window?

Firstly, let’s know what a sash is in a window.

Window sashes are the frame that holds the window panes and keeps the glass in place while the window is opened or closed. Window sashes can be rectangular and slanted, which gives structural support to the windows. There are window sashes that can slide vertically, while other types of sashes can be opened horizontally.

How do uPVC Sash Windows Work?

uPVC windows can be opened vertically; instead of plunging the window downwards, users can push upward. These are helpful as the homeowners can have a window with a wider view. Similarly, while closing the uPVC sash, the upper and the lower window sashes can be connected within a midrail. This midrail restricts the upper stash from sliding back down. The weighted spring stops the sash from closing down quickly, without harming the fingers.

Types of uPVC Sash Windows

There are two types of sash windows. These include sliding sash uPVC windows and flush uPVC sash windows. Different sash styles in uPVC windows reflect the changes in customers’ design preferences.

Here’s a comparative assessment of sliding sash windows and flush sash uPVC windows.

Factors	Sliding Sash uPVC Windows	Flush Sash uPVC windows
Number of Window Sashes	Two window Sashes	Single-Window Sash
Configured to be installed with	Older period houses and traditional residences	Contemporary housing and architecture
Tilt-in	Windows can be tilted-in from the inside of the house, providing easy cleaning.	No Tilt-in feature.
Opening	Sliding vertically.	Inwards or Outwards.

Table: A comparison table between sliding sash uPVC windows and flush sash uPVC windows

Sliding Sash uPVC Windows

Sliding sash windows primarily have two sashes that help in sliding vertically within the frame. Both sashes are linked with a counterbalance mechanism that helps the sash to stay in place. These mostly have a traditional opening mechanism and give a classic look to the windows. You can open both sash windows using the sliding sash uPVC windows, which allows enhanced ventilation and makes the air flow smoothly. Hence, sliding sash windows can maintain the ideal insulation inside the room. In addition, it would also help to obstruct cold air from entering the room.

Flush Sash uPVC Windows

Flush sash windows have a pretty simple design. They give the house a minimalistic look. These windows are effective in creating an external outline that looks decent. Furthermore, they offer a slim appearance as it does not project an unsightly corner within the window frame. Moreover, flush sash windows have multi-point locking options, which help to provide additional security.

Energy Efficiency and Glazing Options

For users who focus on more energy-efficient homes, the sliding sash windows are very effective. Previously, the traditional sash windows had single glass panes, which made these windows the main reason for poor insulation.

uPVC is a poor conductor of heat. Hence, the uPVC windows are useful for reducing the insulation. This way, during winter, when you keep your home warm using a heater, uPVC windows will keep your home cooler for an extended time.

Double Glazed Sash Windows Benefits

Double-glazed sash windows would be an effective option for energy savings and an excellent variant for uPVC sash windows. This duo of window panes is made of glass and comes with an air-filled pocket. These help in decreasing the heat during summer and increasing it during winter. Plus, double-glazed windows are a good option for providing enhanced security.

The low heat conductivity of uPVC sash windows in Belfast has been proven to reduce energy consumption. uPVC windows are also responsible for improved heat and air conditioning from summers and heaters during winter. Therefore, people are looking to alternative materials to build their windows.

Comparing Glazing Options

Here are some significant differences between the two available glazing options for uPVC sash windows.

Single Glazing	Double Glazing
Single-glazing sash windows are lightweight.	Double-glazing sash windows are considerably heavier. Hence, it requires a precise and accurate installation method.
Single-glazing sash windows are not very effective in reducing the outside noise.	Significantly good in reducing the noise level (up to 35 decibels).
Altering the pane size is relatively effortless.	Double-glazing windows are not easily adjustable.

Table: Comparison between Single Glazing and Double Glazing Sash Windows

Installation and Maintenance of uPVC Sash Windows

While installing the uPVC sash windows, there are two different methods for this process. Both of these processes require precise measuring and knowledge regarding the positioning of the windows. Hence, the installation process for the uPVC sash windows can be delegated to professional hands.

Professional Installation and DIY

DIY installation of uPVC sliding sash windows can be seen as a tempting option, as there are multiple risks associated with the DIY installation process. Assembling the pieces and installing them in the right way requires a high level of expertise and precision. If the uPVC sash windows are installed abruptly, gaps can remain within the window frame. In addition, the window pane could not be properly fitted in the frame.

Plus, to install uPVC sash windows, it would require more than a hammer and some other tools. Without using specialist tools, the installation would not be able to be completed. Purchasing these tools just once would be costly.

DIY installation of uPVC sash windows would take significant time, which is normal if you do not have the required expertise. In the worst-case scenario, you can face issues like delay, your tools can malfunction, and you will eventually give up after experiencing some initial setbacks while installing these uPVC sash windows.

Here, the professional uPVC sash window installers come into the picture. There are multiple reasons for hiring a professional installer. Professional installers have the required expertise and experience as they know all the fittings and secure assembly functions. Furthermore, it is also crucial for guaranteeing the quality of their work, as they work with responsibility. In addition, the professional installers can also have the knowledge of using the right tools and materials, which may not be easily accessed when the DIY method of installation is tried.

How to Maintain uPVC Sash Windows

uPVC sash windows are famous for their low maintenance. For easy cleaning, the uPVC sash windows can be cleaned with just a wet microfiber cloth. However, you should clean your windows every week, as frequent cleaning would help them get a better look.

In addition to this, it is important to make sure that the locking parts are working efficiently. Hence, you can use lubrication to check the effectiveness of the sash windows. You can also clean the glass using a glass cleaner. Just giving it a gentle wipe will help you to gain an improved look for the window glass. The right time for cleaning is dry weather.

Conclusion: Are uPVC Sash Windows Right For You?

uPVC sash windows are highly appreciated by customers due to their low cost and convenience. It is also important for a better exterior condition. This sash window will be the right choice for you, considering the weather in Northern Ireland.