


Stud opening sizes for reveal frames only
Height: 450mm
Width: 900mm
Need a different size? Request a custom order.
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Made-to-measure windows, doors and glass are manufactured to your specifications and cannot be returned for change of mind. Please check sizes, colours, glazing and configuration carefully before you order.
If an item arrives damaged or faulty, contact us within 48 hours of delivery or pickup at sales@newageconstructiongroup.com.au with your order number and photos. Faulty goods are repaired, replaced or refunded in line with the Australian Consumer Law.
Ready for immediate dispatch or warehouse pickup, this In-Stock Aluminium Sliding Window (H400mm x W850mm) is the perfect solution for fast-track renovations, bathroom privacy openings, and compact utility ventilation. Pre-built in a popular Monument matte powder-coated finish with standard Clear Safety Glass, this complete window unit comes pre-fitted with an external Flyscreen and a primed 90mm Timber Reveal for effortless structural installation. Manufactured in Smeaton Grange by New Age Construction Group to comply with AS 2047 Australian Standards, this Fixed / Slide window delivers reliable weatherproofing and smooth operation without the custom manufacturing wait time.
When your building schedule cannot wait for custom fabrication lead times, our In Stock Now range provides professional-grade Australian joinery ready for immediate delivery. Measuring 400mm high by 850mm wide, this compact horizontal sliding window is ideal for above-sink kitchen installations, laundry rooms, garage workshops, and toilet or ensuite renovations where reliable natural airflow is essential.
50 Per Cent Ventilation Opening: Engineered in a classic two-panel Fixed / Slide configuration, one glass pane remains permanently secured while the operable sash slides smoothly across the horizontal track to open half of the frame width.
Heavy-Duty Carriage Rollers: The operable sash runs on height-adjustable, corrosion-resistant nylon rollers designed to glide effortlessly without catching, scraping, or jumping the track.
Positive Weather Sealing: Integrated perimeter weather gaskets and interlocking meeting rails seal tightly when latched shut, protecting your interior against winter draughts, dust, and heavy rain.
Secure Cam-Catch Locking: Fitted with a robust internal cam latch that locks the sliding sash firmly into the frame for everyday home security.
Architectural Monument Powder Coat: Finished in Australia's most popular contemporary dark grey shade, the matte Monument powder coating resists UV fading, chalking, and peeling under intense sun and coastal humidity.
Clear Safety Glass: Glazed with standard clear safety glass that maximizes natural daylight transmittance and provides crisp exterior viewing.
To save your carpenter time and labor on site, this in-stock window arrives as a complete installation-ready package:
Included External Flyscreen: Fitted with a matching Monument aluminium flyscreen frame and durable fibreglass insect mesh, allowing you to slide the window open for fresh air while keeping flies and mosquitoes outside.
Included 90mm Timber Reveal: Comes pre-fitted with a quality primed 90mm timber reveal around the perimeter, making it ready to drop straight into standard Australian timber or steel stud wall framing.
| Specification | Details |
| Product Code / SKU | IS-SL-400850-MON |
| Stock Status | In Stock Now (Ready for immediate dispatch or Sydney pickup) |
| Window Type | 2-Panel Aluminium Sliding Window |
| Configuration | Fixed / Slide (Left or right sliding sash orientation) |
| Overall Frame Height | 400mm (Excluding reveal) |
| Overall Frame Width | 850mm (Excluding reveal) |
| Frame Material & Finish | Powder-Coated Structural Aluminium in Monument (Matte) |
| Glass Specification | Clear Safety Glass (High visible light transmittance) |
| Included Screen | Pre-fitted External Flyscreen (Monument frame with fibreglass mesh) |
| Included Reveal | Pre-fitted 90mm Primed Timber Reveal |
| Ventilation Capacity | 50% Clear Opening Airflow |
| Australian Standard Compliance | Fully compliant and tested to AS 2047 |
| Energy Rating Compliance | Engineered to support WERS (Window Energy Rating Scheme) targets |
| Manufacturing Location | Smeaton Grange, Sydney NSW 2567 (New Age Construction Group) |
| Delivery Scope | Immediate Australia-wide shipping or local Sydney warehouse collection |
| Warranty | 10-Year Structural & Joinery Warranty |
Delivery is calculated at checkout from your delivery address. We deliver up to 160 km from our Smeaton Grange location, with the rate based on distance so you only pay for the kilometres we travel.
Free pickup is available from 2/16 Blackmore Rd, Smeaton Grange NSW 2567. Select pickup at checkout and we will let you know when your order is ready to collect.
Delivering further than 160 km? Email sales@newageconstructiongroup.com.au with your order details and address and we will send you a delivery quote.
Made-to-measure windows, doors and glass are manufactured to your specifications and cannot be returned for change of mind. Please check sizes, colours, glazing and configuration carefully before you order.
If an item arrives damaged or faulty, contact us within 48 hours of delivery or pickup at sales@newageconstructiongroup.com.au with your order number and photos. Faulty goods are repaired, replaced or refunded in line with the Australian Consumer Law.
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