Build an Energy-Efficient, Sustainable Home with SIPs
Imagine a home that's comfortable year-round, costs far less to heat and cool, and gives you the design freedom to build exactly what you've pictured - all while easily meeting the 7-star NatHERS rating now required for new builds.
Build Your Dream Home with Smart SIPs
Structural Insulated Panels (SIPs) let you build the sustainable home you've been picturing, even on the most difficult blocks, without the usual limitations of stud walls and conventional framing. Their strength and flexibility mean you and your building designer can get creative, free from the constraints of trusses and support beams.
A SIPs home is also built to handle what Australia's climate throws at it, with greater resilience to severe weather and natural disasters, and typically less structural damage and repair cost when they occur.
Don't settle for outdated methods that limit your options. Build a custom home that meets your design brief and your budget with SIPs.
Why an Airtight, Well-Insulated Home Matters
Most new-home buyers have heard the term "7-star energy rating" but aren't sure what it actually takes to achieve or why it matters day to day.
What does "airtight" actually mean for your home?
An airtight home stops the constant, invisible leakage of warm or cool air through gaps in standard framing and insulation. Less air leakage means your heating and cooling has to work far less to keep your home comfortable — which is the difference between a home that feels cold in winter no matter how high you turn the heater, and one that simply stays warm.
How do SIPs help meet the 7-star NatHERS rating?
SIPs form a continuous insulated panel across your walls and roof, avoiding the small gaps and thermal bridging points common in standard timber framing. This continuous insulation is one of the most direct ways to lift a home's NatHERS rating without relying on expensive add-ons after the build.
Lower Bills, All Year Round
A more energy-efficient home isn't just better for the planet, it's better for your household budget for the life of the home.
Standard Timber Frame | Smart SIPs | |
|---|---|---|
Heating & cooling energy use | Baseline | Up to 85% lower |
Air leakage | Higher - gaps at frame joins | Minimal- continuous insulated panel |
Ongoing energy bill impact | Standard | Panels typically pay for themselves in as little as 3.5 years through energy savings |
Design the Home You Actually Want
Because SIPs carry the structural load themselves, you and your designer have more room to plan:
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Larger open-plan living spaces without visible support beams
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Vaulted or raked ceilings without complex truss work
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Homes on difficult or sloping blocks that standard framing struggles to accommodate
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Architectural features built around your brief, not the limitations of the frame
Explore what's possible with our Home Design Services.
A Home That's Built to Last
SIPs homes are built to last. Here’s why:
Are SIPs suitable for bushfire-prone (BAL-rated) areas?
Yes. Our cement-skin cSIPs panels carry a 30/30 fire rating and meet AS 3959-2018 requirements for construction in BAL-40 areas, the highest bushfire attack level rating below flame zone, building the structural wall and fire-rated cladding in a single step.
How do SIPs perform in extreme weather compared to standard framing?
Our system was tested on a real, fully exposed three-storey home built on a severely sloping block in Melbourne, monitored through more than two years of extreme conditions, from 44°C heat to freezing nights, high wind gusts, heavy rain, and even a 5.4 magnitude earthquake.
Homes built with SIPs also typically see reduced structural damage and repair costs after severe weather events, thanks to their strength and resilience compared to traditional stud wall construction.
What Does Building with SIPs Actually Cost?
It's a fair question, and one worth answering honestly upfront: SIPs typically cost around 5% more than standard timber framing at the panel stage. Here's where that's recovered:
Faster build time
Fewer framing days means less time paying for labour and site costs
Lower ongoing energy bills
Savings that compound every year, typically paying back the difference in as little as 3.5 years
Less rework and waste
Precision-cut panels reduce on-site errors and material waste
Potential tax incentives
Depending on your project and location, energy-efficient builds may be eligible for relevant incentives
One Team, From Design to Move-In
Building a new home usually means coordinating a long list of separate consultants, trades, and approvals yourself.
With Smart SIPs, one team supports your whole journey:
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Design
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Specifications
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Estimating
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Engineering
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Energy rating
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Training
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Installation
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Heating & ventilation
We're with you at every stage, Australia-wide.
Common Questions from Homeowners
1. Are SIPs homes more expensive than timber frame?
Panels cost around 5% more upfront than conventional framing, but this is typically recovered within about 3.5 years through lower energy bills, alongside savings from faster installation and reduced waste.
2. How do SIPs help meet the 7-star energy rating?
The continuous insulated core reduces thermal bridging through the wall and roof assembly, helping deliver the consistent thermal performance needed to meet the 7-star NatHERS minimum.
3. Are SIPs suitable for bushfire or cyclone-prone areas?
See the compliance section above.
4. Do I need to do anything differently when applying for council approval?
Every Smart SIPs project includes a complete engineering design from our independent consulting engineer, matched to your site and building requirements, plus an energy rating report - documentation your certifier or building surveyor can work from directly.
