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Exploring Alternatives to Spray Foam Insulation: Why Spray Foam Still Leads the Pack


In the ever-evolving world of home construction and renovation, insulation remains a pivotal component in enhancing energy efficiency and comfort. There are a plethora of insulation options available, each with its unique set of advantages and disadvantages. However, amidst the myriad of choices, Spray Foam Insulation often emerges as the superior contender. In th

Spray Foam Insulation Perth

is article, we'll delve into the alternatives to spray foam insulation and explore why, despite the competition, spray foam insulation continues to be a prominent choice for homeowners and builders.

Fiberglass Insulation:

Fiberglass insulation is one of the oldest and most commonly used insulation types. Comprising tiny glass fibers, it’s usually found in batts or rolls and is relatively inexpensive.

Cellulose Insulation:

Produced from recycled paper products, cellulose insulation is treated with chemicals to resist fire and pests.

Mineral Wool Insulation:

Mineral wool is made from molten glass, stone, or industrial waste and is available in batts, rolls, or loose-fill forms.

Insulation Types Comparison Table

Insulation Type



Spray Foam

Exceptional thermal resistance (r-value).

Superior air sealing capabilities

acts as moisture and mold barrier.

Enhance structural integrity.

Long Lasting without sagging or setting.

Versatile and adheres well to different surfaces.

Contains fire-retardants to improve fire performance.

Higher Initial Cost Per m2.

Requires professional installation.

Improper installation leads to major issues.




Widely available.

DIY friendly.

Irritates Skin and Lungs.

Often includes Formaldehyde as a binder.

Can retain water.

Less effective air sealing.


​Environmentally friendly.

Good thermal performance.

​Settles and moves over time.

Can absorb moisture, leading to mold and ceiling sag.

Less Effect Air sealing.

Mineral Wool

Highest Fire resistant rated insulation.

CanIrritate Skin and Lungs.

Less effective air sealing.

Why Spray Foam Insulation is Superior:

Spray foam insulation, particularly polyurethane spray foam, surpasses its counterparts due to several key advantages.

  1. Exceptional Thermal Resistance: Spray foam offers a higher R-value per inch, ensuring optimal thermal resistance and lesser heat transfer.

  2. Air Sealing Excellence: It expands upon application, filling cracks and gaps, reducing air leaks, and thereby, enhancing energy efficiency.

  3. Moisture and Mold Barrier: It provides a potent barrier against moisture, mitigating the risk of mold and mildew.

  4. Structural Integrity: It reinforces the strength of the building structure by adding rigidity and resilience.

  5. Longevity: It doesn’t sag or settle over time, maintaining its efficiency and reducing the need for replacement or replenishment.

  6. Versatility: Suitable for various applications, it adheres well to different surfaces and can be used in awkward or hard-to-reach spaces.

Spray Foam Insulation Perth


While the alternatives to spray foam insulation have their places in the construction and renovation industries, spray foam insulation undoubtedly stands out for its unparalleled benefits. Its ability to offer superior thermal resistance, exceptional air sealing, moisture protection, and structural reinforcement make it an ideal choice for those seeking long-term, energy-efficient solutions.

Opting for spray foam insulation might require a higher initial investment, but the long-term savings on energy bills and reduced maintenance needs make it a cost-effective solution in the grand scheme of home insulation options.

Final Thoughts:

When contemplating insulation options, considering your specific needs, budget, and long-term goals is crucial. While alternatives like fiberglass, cellulose, and mineral wool have their merits, spray foam insulation's exceptional benefits often make it the most advantageous choice for achieving a comfortable, energy-efficient, and durable home environment.

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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.

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