Custom-Made Windows & DoorsInstallation in Sydney & Melbourne
IMLANG offers full custom-made aluminium windows and doors, manufactured to your exact size and professionally installed. From sliding doors to bi-fold systems — every product is built to order with a 7-year warranty.
Our Windows & Doors
Every window and door is custom-manufactured to your exact measurements and professionally installed. We serve Sydney and Melbourne with full-size, made-to-order products.
Sliding Windows
Custom-made aluminium sliding windows built to your exact measurements. Smooth operation, easy to clean, excellent ventilation — designed for Australian conditions.
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French Casement Windows
Elegant French casement windows with no centre post — both sashes open outward for a completely unobstructed opening and panoramic views.
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Awning Windows
Custom-sized awning windows that let fresh air in while keeping rain out. Top-hinged design perfect for Australia's changeable weather.
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Sliding Doors
Premium aluminium sliding doors custom-made to fit your space perfectly. Connecting your indoor and outdoor living with superior sealing.
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Bi-fold Doors
Stunning bi-fold doors manufactured to your exact opening width. Open up entire walls for seamless indoor-outdoor flow.
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Stacker Doors
Multiple panels slide and stack behind each other, creating extra-wide openings up to 6+ metres. The ultimate choice for maximum opening width.
Learn MoreWhy Choose IMLANG
Custom-made products, direct factory sourcing, 7-year warranty, and professional installation — we bring unmatched value to every project.
Custom-Made to Size
Every window and door is manufactured to your exact measurements. No off-the-shelf compromises — perfect fit guaranteed.
7-Year Warranty
All our products and installations come with a comprehensive 7-year warranty for complete peace of mind.
Direct from Factory
Manufactured in our Foshan facility — the world's leading hub for aluminium windows and doors — and shipped direct to you.
Free Measure & Quote
We come to your property, take precise measurements, and provide a detailed quote — no obligation, no charge.
Tested & Certified to Australian Standards
Every IMLANG product is tested and certified to meet Australian Standards — giving you confidence that your windows and doors are built for Australian conditions.
Compliance with Australian Standard for windows, doors, and roof windows — covering structural performance, weather resistance, and operation.
Safety glass selection and installation in accordance with Australian requirements for human impact, wind load, and thermal stress.
All glass used in our products meets the Australian Standard for safety glazing materials — tested for fragment retention and impact resistance.
Test reports and compliance documentation available on request.
Serving Sydney & Melbourne
We provide free on-site measure and quote across Sydney and Melbourne. Also available for large projects in Perth, Adelaide, Brisbane, and Canberra.
Sydney
Melbourne
Perth, Adelaide, Brisbane & Canberra — available for large projects, contact us to discuss
Ready to Transform Your Home?
Get a free on-site measure and detailed quote. No obligation, no pressure.
Book Your Free MeasureFrequently Asked Questions
Common questions about our custom-made windows and doors installation services.
What areas do you service?
Sydney and Melbourne metro areas. Sydney showroom at 85 Rookwood Rd, Yagoona NSW 2199. Melbourne showroom coming soon.
Large projects also available in Perth, Adelaide, Brisbane, and Canberra.
How long from order to installation?
12–14 weeks from order to delivery (custom-manufactured to your measurements).
Installation takes 1–2 days for most projects, 3–5 days for larger ones.
Do you offer a warranty?
Yes — 7-year warranty covering both materials and workmanship on all products and installations.
What types of glass do you offer?
Standard: double-glazed insulated glass units (IGU).
Upgrades available: triple glazing, laminated, Low-E coating, and smart tinted privacy glass.
Do you replace windows in existing frames?
We do full remove-and-replace — old frame comes out, brand new custom unit goes in. Perfect fit, proper sealing, site left clean.
Get Your Free Quote Today
Whether you need new windows, replacement doors, or a complete upgrade — contact IMLANG for a free, no-obligation measure and quote.