Sliding Windows

48mm Sliding Window
  • There are no unfinished or exposed edges and no internal projection of transom and sash sections. The top and Bottom sash rails are concealed within the sill and frame.
  • The sash sits completely inside the frame which resists rolling off the top and bottom sash rail under high wind loads, with increased daylight opening.
  • Heavy duty double rollers are standard on all Wintec sliding windows which last longer and operated smoother than conventional types.
  • Our handles are also ergonomically designed for ease of use especially for the elderly and disabled.
100mm Commercial Sliding Window
  • Ultra high performance design
  • Extended product limitations for large configurations
  • Tested to cyclonic requirements
  • High performance roller and locking hardware
  • Slider over slider and slide-slide configurations
  • Single and double glazing options.
  • Developed specifically for multi-storey residential and architecturally designed housing.
Ultimate Aluminium Sliding Window Solution In Sydney
  • Designed with heavy-duty double rollers.
  • Great durability and smooth operation.
  • No exposed edges.
  • Easy to maintain.
  • Built with hollow sections for added strength.
  • Designed for better energy efficiency.
  • No internal projection of transom or sash sections.
  • Built with a high-quality sealing system.
  • Available in a variety of frame widths of 48mm, 65mm, 75mm & 100mm.

Fraser 48mm sliding windows
Structural performance (up to)
Serviceability Limit State Wind
Pressure: 3000Pa max
Ultimate Limit State Wind Pressure: 6000Pa max
Water Penetration Resistance Pressure: 600Pa max

Maximum recommended size (up to)
Height: 1550mm
Height with low light: 2750mm
Width: 3000mm

Glazing – Maximum Thickness (up to)
Single Glazed: 12.38mm
Double Glazed: 16mm





Get In Touch With The Sliding Window Replacement Experts in Sydney

TWT Aluminium Windows And Doors is well recognised as one of the most reputable companies in the Sydney area for providing sliding window replacements. We are a reputable business that appreciates the significance of delivering high-calibre goods and services to our valued customers. We have worked in the industry for more than 10 years, and we are dedicated to delivering the most effective sliding window replacement services that are currently available.
TWT Aluminium Windows & Doors - Sliding Door, Bifold Doors, Awning Window, Stacking Door

You can rely on our specialists for assistance with everything from size to installation to sliding window replacements. We realise that the windows in your house are an essential component, and we are committed to ensuring that they get the maintenance and attention they need, as well as being replaced when necessary.

TWT Aluminium Windows And Doors are the most knowledgeable company in this industry, and we have years of expertise repairing and replacing sliding windows in the quickest and most effective manner possible. Our staff of highly-trained and experienced staff is able to assist you with any kind of sliding window repairs, from minor adjustments to complete overhauls. We are pleased to provide our services in Sydney and are always available to assist you.

When Should You Consider Replacing Your Sliding Windows?

Window replacement is essential for a variety of reasons. When your window begins to show signs of failure, it may lead to a variety of issues inside your house, including a decrease in the amount of insulation and air circulation, an increase in the amount of noise, and draughts. In addition, if you do not have outdated or damaged windows professionally fixed, they might pose a threat to the safety of you and your family.
The following are the four most important warning indications that your sliding window may need to be replaced:

It is becoming more difficult for you to open or shut your window. This might be because the mechanism has completely ceased operating, or it could be because the window itself has been broken.

You may be experiencing an increase in noise coming into your house from the outside; this may be the result of damaged window seals, which allow outside noises such as wind or traffic to enter your home.

The damaged seals on your sliding window are allowing draughts to enter your house, which has the effect of reducing the amount of insulation and air circulation in your home.

TWT Aluminium Windows & Doors - Sliding Door, Bifold Doors, Awning Window, Stacking Door
You have had incidents in which young children got their hands caught in the space between the door and the frame of the sliding window. This is typically the result of mechanisms that are either outdated or improperly installed, as they fail to prevent children from opening and closing the door in an excessively rapid manner. You may have had these accidents. Call TWT Aluminium Windows And Doors to fix it.

The Importance of Having Professionals To Replace Sliding Windows

Sliding window replacement from experienced technicians like us is something that should be prioritised for a few reasons. For starters, the window will be replaced in an appropriate way since our specialists have previous experience working on problems of this kind and are experts in the field. In addition to this, a member of our staff will check the whole of the region around the window to ensure that there are no further problems that need to be resolved. Last but not least, TWT Aluminium Windows And Doors will provide you a warranty on the work.

Our crew has extensive expertise dealing with a wide variety of windows, which means that you can be certain that we will complete the task to your satisfaction. Call us immediately if you need to replace one or several windows in your whole house.

TWT Aluminium Windows & Doors - Sliding Door, Bifold Doors, Awning Window, Stacking Door

Reach Out to Us Right Away

A sliding window replacement is an essential repair that should only ever be carried out by trained experts such as us. A damaged or missing sliding window can also be a safety threat for you and your family. If you have this problem, you should have it fixed as soon as possible. In addition, if you have any damaged or missing sliding windows in your house, this may lead to significant difficulties with air penetration and heat loss. These issues, if left ignored, may result in the formation of hazardous mould as well as other dangers to one’s health.

Why not receive an estimate from our specialists for the sliding window replacements before the issue becomes a problem? TWT Aluminium Windows And Doors is here to assist you every step of the way, from assisting you in making an accurate evaluation of the problem to assisting you in selecting the most appropriate sliding window replacement components for your particular requirements. Get in touch with us at (02) 8740 4751 right now to schedule a no-cost consultation for the replacement of your sliding windows!


If you notice drafts or air leaks around your windows, difficulty opening or closing them, or if you see condensation between the glass panes, it’s probably time for a sliding window replacement. Other signs can include water damage or rotting frames. Don’t ignore these signs! Get your replacement sliding windows from TWT Aluminium Windows & Doors today! 

Factors like the size of the window, complexity of the installation process, and any additional modifications needed can affect the time frame. It’s always best to consult with our professional window installer who can assess your specific situation and provide a more accurate estimate.

So, call us now for a quick sliding screen door replacement in Sydney! 

Yes, you can replace your sliding window yourself if you have the necessary skills and tools. However, hiring a professional, like the ones at TWT Aluminium Windows & Doors, is recommended if you’re unsure about the process or if it’s a complex installation. Our Sydney company has the expertise and experience, ensuring a proper fit and avoiding any potential damage.

Vinyl is a popular choice due to its durability and low maintenance. Aluminium is another option known for its strength and sleek design. For those seeking a more traditional look, wood frames provide a classic aesthetic. Ultimately, the material you choose will depend on your personal preferences and budget.

So, connect with TWT Aluminium Windows & Doors for sliding door window replacement services in Sydney! 

Factors like the size of the window, the material used and any additional features you might want can influence the price. It’s always best to reach out to TWT Aluminium Windows & Doors for a personalised quote that suits your specific needs. We’ll be happy to provide you with all the information you need!

Make sure you check out windows that have awesome insulation and low-E glass (low emissivity glass). These features keep your home nice and cosy all year round by preventing heat from escaping in the winter and blocking it out in the summer. It’s also a good idea to look for windows with multiple panes and gas fills because they give you even more insulation goodness. By going for these options, you can save on energy costs and enjoy a super comfy living space.

If you want a quote for our sliding window replacement near you, please call us now. 

Well, there are a few things to consider when it comes to how long windows last. It depends on factors like how well they’re made, how well you take care of them, and how much wear and tear they go through. But as a general guideline, it’s usually a good idea to think about replacing them after 15-20 years. 

Of course, if you keep an eye on them and fix any issues that come up quickly, you might be able to make them last even longer. 

If you start noticing drafts, leaks or having trouble opening or closing the windows, that’s a sign it might be time for an upgrade.

Of course! If you’re thinking of ditching your old sliding window, you’ve got plenty of options to consider. You can go for a classic sliding window or spice things up with a trendy double-hung or casement window. It’s all about what works best for you and your style. Just remember to chat with an expert at TWT Aluminium Windows & Doors for sliding window replacement services.

First off, sliding windows are great for saving energy because they prevent drafts and improve insulation. Plus, they come with fancy locking systems that make your place more secure. On top of all that, sliding windows give your space a modern and stylish vibe. And let’s not forget, they can even increase the value of your home and lower those pesky energy bills over time. Sounds like a win-win!

In most cases, it is not necessary to replace the entire sliding window. Our team of experts can assess your situation and determine if certain parts can be repaired or replaced, saving you both time and money. We prioritise efficiency and strive to deliver the best results for our clients.

Our replacement sliding windows are designed to accommodate window screens effortlessly. Whether you need protection from insects or added privacy, we can install window screens that perfectly fit our sliding windows. Just let us know your requirements, and our expert team will take care of the rest!

When replacing your sliding windows, we offer a wide range of colour options to match your existing ones perfectly. Our experienced team will work closely with you to ensure that the new windows seamlessly blend in with your current décor. You can trust us to deliver exceptional results every time! So, call us for sliding window replacement services today! 

Look for features like sturdy locks and reinforced frames to deter potential intruders. Additionally, consider windows with tempered or laminated glass for extra durability and resistance to breakage. Don’t forget to check if the windows meet local building codes and regulations for safety standards. Call TWT Aluminium today if you wish to learn more about our sliding window replacement and other services to make your home or commercial property more stylish and secure. Contact 0403 972 493 for a free quote.

TWT Aluminium

Residential & Commercial Aluminium Windows and Doors Supply in Sydney

Please remember, bringing you reliable doors and windows is our No.1 goal !

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