Architectural 3-Panel Aluminium Sliding Window | H1200 x W2100

The H1200 x W2100 architectural three-panel aluminium sliding window is a 2.1-metre wide unit featuring a central fixed glass pane flanked by two operable sliding sashes. This specific slide, fixed, and slide layout provides an unobstructed picture window in the middle while allowing independent ventilation on both ends. It is an excellent choice for Australian homes that require maximum natural light, heavy cross-ventilation, and a wide field of view without sacrificing valuable wall space.

Why the Three-Panel 2.1 Metre Format Excels

Choosing a window measuring 1200mm high and 2100mm wide offers a brilliant balance of scale and structural efficiency. At 2.1 metres across, you capture a substantial view of your outdoor surroundings. If you divided this specific width into a standard two-panel slider, the glass sashes would be over a metre wide each. Large moving panels create excessive weight on the bottom rollers and look visually blocky from the outside.

By breaking the 2100mm width into three neat sections, we resolve this issue completely. We place a large, heavy-duty fixed pane directly in the centre of the frame. We then install two narrower sliding panels on the left and right sides. This architectural approach delivers clear, central sightlines exactly where your eye naturally rests. You gain incredible flexibility with your airflow. You can slide open the left side, the right side, or both outer panels simultaneously to capture varying degrees of wind direction.

Key Features and Build Specifications

We engineer our aluminium sliding windows using heavy-duty materials. This approach ensures they perform flawlessly under constant daily use and survive the harshest weather conditions without failing.

• Overall Dimensions: 1200mm exact outer frame height by 2100mm exact outer frame width.

• Frame Profile: Commercial-grade extruded aluminium frame designed for high structural rigidity and minimal deflection.

• Operating Track: Heavy-duty bottom rollers allow the outer glass panels to slide smoothly and quietly over years of use.

• Hardware and Locking: Built-in key-lockable handles on both moving sashes ensure excellent physical security against forced entry.

• Glass Options: Available in Clear, Grey Tint, Low-E, Satinlite Obscure, and energy-efficient Double Glazed variants.

• Colour Selection: Customise your unit with classic Pearl White, modern Custom Black, or specify a Custom Colour.

• Screen Compatibility: Integrated exterior tracks hold your choice of standard Flyscreens, Diamond Grille, or Stainless Steel Security Screens securely.

• Weatherproofing: Premium perimeter rubber seals compress tightly when closed to block out wind, dust, and coastal moisture.

Ideal Applications for Your Home

Builders and homeowners specify this architectural 2.1-metre frame to make a serious visual impact. It completely transforms dark rooms into bright, welcoming environments.

Living and Dining Rooms This wide format completely changes how a living space feels. Replacing a solid brick or timber wall with 2.1 metres of glass draws immense natural light indoors. Because you can open both outer panels, the window creates rapid cross-ventilation. It pulls fresh air right across the room to cool your home naturally on sweltering summer afternoons, reducing your need for air conditioning.

Kitchen and Alfresco Serveries This three-panel setup is a staple for modern indoor-outdoor living. Installed flush with a kitchen benchtop, it becomes a highly functional servery window. You can slide the outer sashes open and hand plates or drinks straight out to the alfresco area. The large fixed centre pane blocks the wind, keeping your gas cooktop or food prep area protected while you cook.

Master Bedrooms Large master bedrooms benefit massively from wide architectural windows. The 1200mm height provides plenty of glass while leaving sufficient wall space directly below for a large bed headboard or a heating unit. You can lock the sliding panels slightly open at night to catch a cool breeze while remaining totally secure inside your home.

Customising Your Glazing and Finish

A 2.1-metre wide window brings a lot of solar energy into your property. The glazing you choose directly impacts your daily thermal comfort. Standard Clear glass works well for shaded patios or south-facing walls where the sun rarely hits directly. If your window faces the brutal western afternoon sun, standard glass will trap heat and create an uncomfortable greenhouse effect inside.

We strongly advise upgrading to a Grey Tint or Low-E glass for exposed walls. Low-E glass uses a transparent microscopic coating to actively reflect radiant heat. It drastically lowers the temperature inside during summer and keeps your heating trapped indoors during winter. To achieve a high Window Energy Rating Scheme (WERS) score and maximum energy efficiency, configure your window with Double Glazing. A double glazed window traps a layer of argon gas between two distinct glass panes. This creates a highly effective thermal barrier that slashes your air conditioning bills and heavily reduces outside street noise.

We protect all our aluminium frames with a tough powder coated finish that resists chalking and coastal corrosion. Pearl White reflects heat and suits traditional builds perfectly. Custom Black delivers a bold frame that highlights modern architectural designs. If you need a specific match for an extension, our Custom Colour service provides the exact shade you require.

Because this is a sliding window, all protective screens sit on the outside track. The beauty of a three-panel layout is that you only need to screen the two outer sliding sections. Your large central picture window stays completely free of mesh. You can fit standard Flyscreens to stop summer insects. For total protection, select our Stainless Steel Security Screens. These high-tensile screens resist impact and knife attacks, giving you absolute confidence to leave your windows open at night.

Built to Meet Australian Standards

The Australian environment punishes cheap imported building materials. We engineer our products using robust principles to ensure they last for decades. Aluminium sliding windows are incredibly low maintenance. Unlike timber frames, they will never rot, warp, or require repainting. You simply need to wipe the tracks clean periodically and wash the powder coated finish with warm soapy water to keep the window looking brand new.

Every custom window we manufacture strictly complies with AS 2047 building standards. This certification means your window design has passed mandatory laboratory testing for structural deflection, operating force, and water penetration resistance under extreme wind loads.

Proper installation is critical for large architectural windows. Your licensed builder will ensure the framing is square and plumb. They will pack the frame correctly to prevent the aluminium from bowing out of square, which ensures the sliding rollers continue to glide perfectly. Correct exterior flashing is also required by the National Construction Code to maintain full weatherproofing around the perimeter.

New Age Construction Group operates directly out of Smeaton Grange NSW, and we deliver our made to measure building products right across Australia. Whether your project is in Sydney, Melbourne, Brisbane, Perth, Adelaide, or a regional centre, we transport your custom windows securely to your site. You are investing in high-quality products built by an experienced local team who understands the exact demands of your climate.

Frequently Asked Questions

How does this differ from a sliding stacker window? A slide, fixed, and slide window has moving panels on the far outside and a stationary pane in the middle. A sliding stacker window features panels that slide and stack behind one another on multiple internal tracks. Stacker windows allow you to open up roughly two-thirds of the total frame width, whereas a three-panel sliding window opens the two outer ends only.

Are these windows supplied fully assembled? Yes. We manufacture and assemble the entire frame in our Smeaton Grange facility. The window arrives on your site fully glazed and ready for your builder or carpenter to install into the prepared structural opening.

What is the lead time for a custom H1200 x W2100 window? We build every unit entirely to order based on your chosen frame colour, glass type, and screen selections. Our standard manufacturing lead time is typically 12 to 15 working days from the date of your order. Our team will keep you informed throughout the build process and arrange a specific delivery date once the unit is complete.

Secure Your Custom Window Order Today

The H1200 x W2100 architectural three-panel sliding window provides brilliant natural light, reliable security, and excellent ventilation control. Use the configuration tools on this page to build your perfect unit. Select your glass, frame colour, and required exterior screens, then add the item to your cart for a secure checkout. If you need a custom size, technical advice on energy ratings, or bulk pricing for a renovation project, contact the New Age Construction Group team today.