Alu Clad Timber · Slim Line · Triple Glazed
The slim-line Alu Clad timber windows architects specify — and homeowners want to live with.
European made. Triple glazed as standard. Certified to AS 2047 N6/C4 and Passive House SLIM. Whether you're specifying for a project or building your own home, this is the window.
Get a QuoteArchitect's Spec Pack
Alu Clad TimberSlim Line ProfilesTriple Glazed StandardAS 2047 · PH SLIM
Specifying for a project?
You bring the brief. We bring the engineering, documentation and certified performance to make sure the slim sightlines you drew are the slim sightlines that get built.
- CAD
- U-value & SHGC data
- AS 2047 N6/C4 and PH SLIM certificates on file
- Direct line to the founder
- Samples and project mockups on request
Building or renovating?
You want the windows that finally do justice to the home you've spent months designing. Slim, warm timber inside; tough aluminium outside; triple-glazed comfort and lower energy bills for the life of the home.
- Get a no-obligation quote from your plans
- Project-managed from order to delivery
- Warranty and after-care direct from EcoSky
What we make
Alu Clad timber, engineered slim — and triple glazed as standard.
EcoSky windows offer the best of both worlds through our premium AluClad timber systems. Inside, a minimalist, slim-timber frame brings natural elegance to your interiors. Outside, robust aluminium cladding delivers uncompromising weather resistance. At the core, advanced triple glazing ensures exceptional thermal performance.Slim line by design, certified by performance.
Alu Clad Timber SLIM — Windows
The signature EcoSky window: a slim-line timber frame, aluminium-clad externally, triple glazed as standard. Fixed, tilt-turn, or oversized — all to PH SLIM performance.
Explore the SLIM SystemAlu Clad Timber — Doors
Lift-and-slide, hinged and pivot entry. Same Alu Clad timber construction and performance. Certified for cyclonic regions.
Explore DoorsBespoke Engineering
Corner glazing, oversized fixed lites, sliding façade systems, bronze or glass cladding finishes — engineered to your detail, not adapted from a catalogue.
Custom CapabilityAlu Clad Timber SLIMThe EcoSky Signature System
A slim spruce frame, an aluminium skin, and the slimmest sightline we can certify.
The Alu Clad Timber SLIM is engineered in-house at EcoSky. A natural spruce timber frame on the inside — warm, low-conductivity, beautifully detailed — clad in precision aluminium outside, where the weather is. Triple glazed as standard. Certified by the Passive House Institute. Drawn to the slimmest sightline the performance brief allows.
Volume Alu
Premium Alu
EcoSky SLIM
Indicative sightline comparison — actual figures available on request as part of your project spec pack.
For Architects
What you actually want from a bespoke, engineered window manufacturer.
EcoSky is designed and engineered around the architect's brief — Alu Clad timber, Thermally Broken aluminium, slim-line profiles, triple glazed as standard, every detail resolved upstream of fabrication. Here's what that means in practice.
Sightlines that disappear.
The slimmest profiles we can engineer without compromising performance. Maximum glass, minimum frame — the brief drives the section, not the other way around.
Bespoke is the default, not the upcharge.
Sizes, configurations, corner glazing, finishes — designed around your detail. We don't ask you to redesign your window schedule to fit our catalogue.
Spec-ready documentation.
DWG details, U-value & SHGC data, AS 2047 certificates — supplied early enough to land in your specification, not after issue.
Performance certified, not claimed.
AS 2047 tested to N6 / C4. PH Slim certified by the Passive House Institute. Independent test reports on request.
One system, one responsible party.
Frame, glass, seals — engineered as a system, supplied by us.
A direct line to the people who make them.
You'll talk to the founder who owns the company. No call centre, no account-managed buffer.
For Homeowners
For the home you're actually going to live in.
You only build or renovate once or twice in a lifetime. The windows you choose now will shape how warm, quiet, comfortable and beautiful your home feels for the next 30 years. EcoSky is engineered for exactly that decision.
Warmer in winter, cooler in summer
Triple-glazed Alu Clad timber reaches U value — 1. Less heat loss, less reliance on heating and cooling, lower energy bills.
Genuinely quieter inside
Triple glazing with engineered seals takes the edge off road noise, wind, neighbours and weather. You notice it the day you move in.
The view, not the frame
Slim-line profiles mean more glass. The view you bought the land for is the view you actually get.
Built to last, backed by EcoSky
European-engineered components, certified to AS 2047 N6/C4, supplied by us . One point of contact, for the life of the windows.
How it works
From first conversation to installed window — in four steps.
Whether you're specifying as an architect or ordering for your own home, the EcoSky process is the same. Clear, engineered, and project-managed end-to-end.
Tell us about your project
Send us drawings or a sketch for an indicative quote.
Week 0Detailed quote & spec pack
We finalise sizes, glass build-up and finishes. You receive a fixed quote and full spec pack.
Weeks 1–2European manufacture
Your windows are engineered and built in our 20,000 m² European factory. Triple-glazed, Alu Clad timber, finished to your selections.
Lead time agreed upfrontDelivered & installed
Coordinated delivery to site. We support your installer or supply our recommended team.
On siteReady for a quote on your project?
Send us your drawings or a quick description of your build or renovation. We'll come back within two business days with an indicative quote and a tailored window strategy.
Selected Projects
A portfolio built one brief at a time.
From coastal homes to inner-city renovations — every EcoSky project starts with the architect's intent and ends with a window you barely notice, in the best possible way.
Featured Project
Coastal House — Northern Beaches
Full-height fixed glazing & lift-and-slide doors • N6 cyclonic site
Residential
Heritage Renovation — Mosman
Slim restoration windows • Passive House detailing
Penthouse
Skyline Penthouse — Bondi
Oversized fixed lites • Acoustic-rated glass
Country
Yarra Valley Retreat
Corner glazing • Triple-glazed for thermal mass
Inner City
Terrace Reimagined — Paddington
Slim sash replacements • Heritage-sensitive profile
Specified By
Trusted by architects and builders across Australia.
Align Architecture
Outlier Studio
Kaigan Architecture
MDC Architects
Next 50
Leanhaus
Elridge Anderson
From the people who buy us
What architects and homeowners say about EcoSky.
Architects who specify EcoSky
★ ★ ★ ★ ★
The sightlines we wanted weren't available off any local catalogue. EcoSky engineered around our detail rather than asking us to redesign for theirs.SMSara MarcheseDirector, Marchese & Co Architects
★ ★ ★ ★ ★
Documentation arrived spec-ready — U-values, AS 2047 certificates, CAD details, all on time. It saved us weeks in the specification phase.DHDaniel HolmPrincipal, Holm Studio
★ ★ ★ ★ ★
You speak to the engineer who detailed your job, and the founder who runs the company. That alone makes EcoSky different from the rest of the market.RBRobert BellDirector, Bell & Hardy
Homeowners who chose EcoSky
★ ★ ★ ★ ★
We compared three slim-line systems. EcoSky was the one that took our brief seriously, explained the engineering in plain English, and didn't oversell. Two years in — no regrets.CTCatherine T.New build · Mosman, NSW
★ ★ ★ ★ ★
The first winter in the new house we expected the heating bills we used to get in our old place. They were less than half. The triple-glazing genuinely works.JPJames & PriyaRenovation · Hawthorn, VIC
★ ★ ★ ★ ★
From the showroom visit through to install, we always spoke to the same team. The windows are beautiful — but the experience was just as important.MKMichael K.Coastal home · Northern Beaches
Start a project
Specify it. Order it. Live with it.
Architects: send us a brief and we'll deliver a spec-ready window strategy. Homeowners: send us your plans and we'll come back with a quote and a clear path to installed windows.