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Spray Foam Insulation for Architects

Spray Foam Insulation
An Architects Guide

Spray Polyurethane Foam (SPF) insulation is a highly effective solution for meeting the National Construction Code (NCC) insulation requirements in Australia.


Building Code Marked Certified


0.0022 W/mk
to ASTM C518


Water absorption <3%
ASTM D2842

>95% Closed Cell Content
ASTM D6226

Fire Rated to AS1530_3 

Group 2 Classification
A2.4 BCA

Compressive Strength
>80 kPa
AS 2498.3

Core Density 34kg/m2
ASTM D1622

Spray Polyurethane Foam (SPF) insulation is a highly effective solution for meeting the National Construction Code (NCC) insulation requirements in Australia. Here's how SPF insulation contributes to achieving these requirements with ease:

  1. High Thermal Performance: SPF insulation offers superior thermal resistance (high R-value) compared to traditional insulations. This means it is highly effective in reducing heat transfer, thereby significantly enhancing the energy efficiency of buildings. The higher the R-value, the better the insulation's effectiveness, and SPF typically provides higher R-values per inch of thickness than many other insulation materials.

  2. Air Sealing Properties: One of the unique attributes of SPF is its ability to create an air-tight seal. Air leakage can significantly impact a building's thermal performance. SPF expands to fill gaps, cracks, and crevices, forming a continuous barrier against air and moisture infiltration. This helps in maintaining consistent indoor temperatures and reducing the load on heating and cooling systems.

  3. Moisture Control: SPF insulation provides an effective moisture barrier. By controlling moisture ingress, it helps in preventing problems like mold and mildew growth, which can affect the structural integrity of the building as well as indoor air quality.

  4. Versatility and Adaptability: SPF can be applied to various areas of a building, including hard-to-reach spaces such as attics, crawl spaces, and rim joists. Its ability to conform to any shape and fill irregular spaces makes it an ideal solution for complex architectural designs.

  5. Durability: SPF insulation is known for its long lifespan. It does not settle or degrade over time, maintaining its insulating properties for many years. This long-term reliability can be crucial for meeting and maintaining NCC requirements over the lifespan of a building.

  6. Contribution to Sustainable Building Practices: By improving energy efficiency and reducing the carbon footprint of buildings, SPF insulation aligns with the principles of sustainable construction. It supports the NCC's focus on energy-efficient building practices.

  7. Compliance with Fire Safety Standards: Modern SPF products are formulated to meet fire safety standards, which is a critical aspect of NCC compliance. They are often treated with fire retardants to reduce flammability.

  8. Ease of Installation: SPF application is relatively quick and can be less labor-intensive compared to installing traditional insulation materials, leading to reduced construction times and costs.

In summary, SPF insulation's superior thermal performance, air sealing properties, moisture control, and versatility make it an excellent choice for achieving NCC insulation requirements. Its ability to adapt to various building designs and contribute to long-term energy efficiency makes it a preferred insulation method in modern construction.

Industry Links


AMBA is an interest group of companies established to represent the use of polymers in the Australian construction industry.  Polymer-based materials are increasingly used in building and construction to make our buildings more sustainable and energy efficient.

As innovation drives new applications, AMBA will engage with construction industry stakeholders and regulators to ensure the use of polymers contributes to buildings that are safe, enduring and efficient.

The EEC is the peak body for Australia’s energy management sector. A not-for-profit membership association, EEC works to:

• Drive world-leading policy on efficiency, electrification and demand flexibility;
• Ensure we have the skilled workforce to deliver Australia’s energy transition; and
• Support businesses and households to rapidly decarbonise.

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If you are looking for a more cost effective traditional option for a project, such as insulation batts, check out our sister companies that have completed over 10,000 homes with Earthwool Insulation Batts.
They are the market leader for removing and installing insulation batts.

Batts vs Spray Foam?
Insulation Extract
brisbane Insulation
Sydney Insulation
Wall insulation with Spray foam

If you have adequate roof insulation, yet experiencing thermal inefficiencies, consider our
CAVITYWALL Insulation, that get pumped directly into your double brick cavity wall. As the only cavity wall solution Code Marked to Australian Building Code, this solution will increase the energy rating by upto R1.9 system value. It's a far more thermally impacting and a cost efficient solution to double glazing glass, or Spray Foam Insulation for residential buildings.


Cavity Wall Insulation

Spray Foam Advantages

Closed-cell spray foam insulation provides excellent insulation, air sealing, moisture control, noise reduction, and structural support while also being environmentally friendly and long-lasting.

Contact us for

* Data Sheets
* Technical sp
* Fire safety data
* Building code requirements

Thermal & Structural

Closed-cell spray foam insulation has the highest R-value of any insulation material, providing excellent thermal insulation and reducing energy costs.

Closed-cell spray foam insulation can increase the structural strength of a building by up to 300%, making it an excellent choice for areas prone to high winds, hurricanes, or earthquakes.

Air & Sound

Acts as a complete air barrier, which prevents air leakage and drafts, improving indoor air quality and reducing heating and cooling costs.

Reduces noise transmission by reducing vibrations making it an ideal choice for added soundproofing.

Water Barrier

Impermeable to water, which means it prevents mold and mildew growth.
It will also reduce the risk of water damage to the building structure.

Environmental & Sustainable

Closed-cell spray foam insulation is made with sustainable resources and is free of harmful chemicals such as formaldehyde and CFCs.

It also have certified VOC's with 100% off-gassing within 24 hrs.

Longevity & Integrity

Closed-cell spray foam insulation is long-lasting and doesn't degrade over time, unlike some other types of insulation.

Have a question about closed cell and open cell spray foam?

Need a solution for a unique project? 

As part of the Energy Efficiency Group we are a National Australian company specialising in delivering world leading insulation products and services for any application.

Who We Are

SFA is part of the Energy Efficiency Group, a National Australian company specialising in insulation services with over 90 employees.

Operating in NSW, WA, & QLD.

No-obligation quotes & advice.

Australian owned since 2014.

Insulated over 10,000 Australian homes.

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How we do it

We ensure only the best quality of products are used.

Safe & non-toxic.

Environmentally Friendly

Non ozone depleting.

Maximum energy efficiency.

Longest lasting insulation solution.

Our Memberships


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