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Can I fill my walls with expanding foam?

If you’ve ever wondered whether filling your walls with expanding foam is a viable option, the answer is a resounding yes—particularly in commercial kitchens and food premises. At Spray Foam Australia, we specialise in cavity wall foam fill processes that meet stringent Australian Standards, ensuring your food establishment not only meets compliance requirements but also maintains the highest levels of hygiene and safety.


Why Spray Foam Is Superior for Kitchens & Food Premises

Compliance with Australian Standards

When constructing or renovating food premises, adhering to regulations is paramount. Australian Standard AS 4674-2004 outlines essential guidelines for the design, construction, and fit-out of food premises. These standards ensure compliance with Food Safety Standards (Standard 3.2.3), safeguarding the integrity of both new and renovated food establishments.


Using expanding foam for cavity wall injection plays a critical role in solid wall construction, which is a key requirement for food safety and hygiene. This process ensures seamless compliance with Safe Food Australia AS 4674-2004 and the Building Code of Australia (BCA), including Section J for thermal and energy efficiency.


Importance of Solid Wall Construction

Solid wall construction is integral to maintaining a hygienic environment in food premises. It serves as:

An Impervious Barrier: Prevents pest infestations and stops contamination.

A Hygienic Solution: Creates smooth, easy-to-clean surfaces ideal for high-standard food preparation areas.

A Food Safety Measure: Ensures compliance with Food Safety Standards, reducing risks of contamination and safeguarding public health.


With cavity wall foam fill, you can achieve solid wall construction quickly and efficiently, making it an ideal choice for busy commercial kitchens.


The cavity wall foam fill process involves:

1. Drilling Strategic Points: Holes are drilled into wall cavities for targeted injection.

2. Injecting Foam in Two Stages: Expanding foam is injected to fill voids completely.

3. Ensuring Reinforcement: Wall sheeting is reinforced to handle the added density and pressure from the foam.


This process creates a strong, durable, and hygienic barrier that meets and exceeds Australian Standards.


Once installation is complete, Spray Foam Australia provides a Certificate of Compliance, verifying that your food premises adhere to all relevant regulations, including:

AS 4674-2004 for solid wall construction.

ASNZS 1530.0 for heat and smoke release compliance.


This certification ensures peace of mind and confidence in the quality and safety of your food establishment.


Plan Ahead: Defer the installation of certain equipment to ensure clear access for foam injection.

Reinforce Wall Sheeting: Apply adequate glue and screws, particularly when using thinner materials, to support the foam’s expansion.


Key Benefits of Expanding Foam in Food Premises

Hygiene: Impervious walls that are easy to clean and maintain.

Efficiency: Faster installation compared to traditional methods.

Longevity: Durable, solid construction that withstands the demands of commercial kitchens.

Compliance: Meets the highest standards, including AS 4674-2004 and the BCA.


Trust Spray Foam Australia for Your Cavity Wall Injection Needs

By choosing Spray Foam Australia, you are investing in a safe, hygienic, and compliant solution for your commercial kitchen or food premises. Our expertise ensures that your establishment aligns with Australian Standards, offering superior quality and unmatched durability.


For more information or to get started, contact us today! Spray Foam Australia is here to help you meet and exceed the highest standards in food premises construction.





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