Sliding Window | H1200 x W1200

An aluminium sliding window measuring 1200mm high by 1200mm wide is a perfectly square residential architectural window engineered for bedrooms, home studies, dining rooms, stairwells, and larger bathrooms. Standing at 1.2 metres square, this H1200 x W1200 unit features two horizontal sashes that slide smoothly along an integrated track to deliver controlled airflow and bright natural daylight in clean, symmetrical proportions. Built from heavy-duty Australian aluminium, it provides dependable weatherproofing, low-maintenance operation, and crisp architectural sightlines for both new home builds and structural renovations.

Why Choose an H1200 x W1200 Sliding Window?

When you are planning window placement for a residential build or extension, an H1200 x W1200 sliding window offers a superb visual aesthetic by bringing true square geometry to your facade. The 1200mm by 1200mm dimensions create an ideal mid-sized opening that fits comfortably into bedrooms and home offices without dominating the entire wall. This leaves you with generous vertical wall space beneath the sill to position beds, desks, bookshelves, or entertainment units directly against the wall.

The 1200mm width provides a balanced horizontal span of glass that brightens interior spaces without requiring multiple vertical mullions to support the frame. Because the sashes slide horizontally inside the frame track, the window never projects outward over external garden beds, alfresco patios, or pathways when open. Inside your home, the operable sliding sash stays completely clear of curtains, roller blinds, and plantation shutters. You gain practical everyday airflow, symmetrical sightlines, and uncluttered outdoor views in a reliable design that every member of the household can operate with ease.

Technical Specifications & Features

• Dimensions: 1200mm height x 1200mm width (H1200 x W1200 overall frame size).

• Frame Profile: Heavy-duty Australian architectural aluminium engineered to prevent twisting, frame rattling, and structural deflection under high wind loads.

• Glazing Options: Supplied standard with clear toughened safety glass. Configurable upgrades include Grey Tint for glare reduction, Low-E glass for improved thermal efficiency, Satinlite Obscure glass for privacy, and Double Glazing for superior acoustic and thermal insulation.

• Colour Finishes: Available in Pearl White, Custom Black, or Custom Colour powder-coated finishes formulated to resist chalking, peeling, and fading under harsh Australian sun.

• Screen Options: Choose from No Screens, standard insect Flyscreens, Diamond Grille security screens, or high-tensile Stainless Steel Security Screens.

• Hardware & Locking: Fitted with a keyed sash lock and heavy-duty adjustable nylon rollers for smooth sliding operation and dependable home security.

• Weatherproofing: High-performance perimeter weather seals and internal frame drainage channels protect your interior sills from driving rain, wind, and dust.

Built for Australian Climate & Lifestyle

We engineer this H1200 x W1200 aluminium sliding window to withstand extreme Australian weather conditions and demanding daily use. Our aluminium frame profiles feature reinforced mullions and sturdy bottom tracks designed to maintain their structural shape over decades of operation. Whether your property faces coastal salt air or hot western Sydney summers, the powder-coated finish will not rot, warp, or swell over time.

This square-format window is particularly useful for homes that require dependable cross-ventilation in medium-sized bedrooms, studies, and functional utility spaces. Unlike timber frames that can absorb atmospheric moisture and require regular sanding and repainting, powder-coated aluminium remains completely stable and low-maintenance. A quick periodic wipe of the sill and tracks is all you need to keep the nylon rollers moving freely year after year.

How to Configure Your H1200 x W1200 Window

You can customise every functional aspect of your window directly on this page to match your architectural plans. For contemporary architectural builds and modern extensions, Custom Black powder coating creates a crisp, high-contrast outline around your outdoor view. Traditional brick or rendered properties often look best with Pearl White for a classic, clean aesthetic.

Because an H1200 x W1200 window features 1.44 square metres of glass surface area, your glazing selection makes a meaningful difference to daily indoor comfort. Standard clear toughened glass works well for shaded side yards and covered patios. If your window faces north or west and receives direct afternoon sun, upgrading to Low-E glass or Double Glazing helps keep your rooms cooler in summer while reducing your household heating and cooling costs. If you are installing this unit in a ground-floor bedroom, bathroom, or study facing a public walkway, selecting Satinlite Obscure glass gives you complete visual privacy while still letting in bright daylight. You can also add custom insect flyscreens or stainless steel security screens so you can leave your window open for cooling breezes with total peace of mind.

Certified Standards & Quality Guarantee

At New Age Construction Group, every aluminium window and door we manufacture complies with Australian Standard AS 2047. This certification guarantees tested wind resistance, structural deflection resistance, and water penetration resistance for residential building compliance across Australia.

We manufacture our aluminium windows at our Smeaton Grange base in NSW and deliver Australia-wide. Whether your project is in Sydney, Melbourne, Brisbane, Perth, Adelaide, or regional areas, you receive reliable trade-quality products ready for straightforward installation.

Frequently Asked Questions

Where is an H1200 x W1200 sliding window commonly installed? This symmetrical square size is most popular for bedrooms, home offices, studies, dining rooms, and larger bathrooms. The 1200mm height leaves plenty of room beneath the sill for desks or beds, while the 1200mm width provides a neat, balanced opening that fits comfortably into most standard wall layouts.

What rough stud opening size do I need for an H1200 x W1200 window? Your carpenter or builder should prepare a framed opening approximately 20mm taller and 40mm wider than the window frame. For this unit, a rough stud opening of 1220mm height by 1240mm width allows adequate room for squaring, plumbing, and packing during installation.

Can I upgrade to double glazing on an H1200 x W1200 sliding window? Yes. Double glazing is available and highly recommended for bedrooms and home offices to improve thermal efficiency and reduce external street noise. You can select double glazing directly in the configuration menu above.

Order Your Custom Sliding Window Today

Ready to bring more light and fresh air into your home? Choose your preferred frame colour, glass type, and screen upgrades above to view your instant price. For custom dimensions or bulk trade orders for an upcoming build, contact the New Age Construction Group team today.