Indoor Flammable Solids Storage Requirements
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Indoor Flammable Solids Storage Requirements

Post date: Feb 29, 2024
Indoor Flammable Solids Storage Requirements by Wholesale Safety Storage Australia

Safety is paramount in any industrial or manufacturing setting. Ensuring the proper storage and handling of hazardous materials is crucial for both the well-being of employees and the environment. One such category that must never be overlooked is indoor flammable solids.

Indoor Flammable Solids Storage Requirements by Wholesale Safety Storage AustraliaFlammable solids are classified as class 4.1 dangerous goods and are among the many hazardous materials that require careful and special attention. As its name suggests, flammable solids are prone to chemical reactions, are highly combustible, and may cause or contribute to a fire.

As an industry leader with extensive experience and a strong commitment to safety, Wholesale Safety Storage Australia (WSSA) offers a wide variety of indoor storage options to suit the needs and regulations of numerous industries. All WSSA products comply with Australian safety regulations and are built to the highest standards.


Understanding Indoor Flammable Solids.

Flammable solids are materials with the capability to ignite and burn under specific conditions. When these materials are ignited, they burn with a flame that may cause a raging fire or in the event there is a fire already going on, may contribute to its spread.

These flammable solids are characterised by their potential to ignite through friction, heat, or contact with open sources of flame. They are also capable of releasing flammable gases when they come in contact with moisture.

Flammable solids come in various forms such as powders, shavings, dust, or fibres used in industrial or manufacturing processes, research, and production across different sectors.

Some examples of indoor flammable solids include aluminium powder, magnesium, sulphur, and some organic materials such as cellulose nitrate. These materials can pose potential dangers making proper handling and storage imperative.

A unique set of challenges comes with storing and handling flammable solids due to their propensity to ignite when exposed to moisture, air, or other reactive substances. Therefore, storing them in specialised containers becomes imperative to mitigate the risk of ignition and fire.

The Australian Dangerous Goods (ADG) Code is an extensive guide that defines each class of dangerous goods. The ADG Code divides Class 4 Dangerous Goods into 3 divisions:


  • Class 4.1 Flammable Solids.
  • Class 4.2 Spontaneously Combustible.
  • Class 4.3 Dangerous When Wet.

The Code specifies that Class 4.1 Flammable Solids are readily combustible solids and solids that can cause fire through friction.


Risks Associated with Flammable Solids.

According to the Code, flammable solids are chemicals such as self-reacting chemicals, polymerising chemicals, and solid-desensitised explosives.

Chemicals classified as flammable solids can:

  • Combust
  • Self-react
  • Produce exothermic reactions
  • Cause fire
  • Contribute to a fire
  • Explode

Another issue related to handling and storing flammable solids is that the product can emit flammable gases. Flammable gases emitted by flammable solids are much denser than air and can swiftly accumulate in storage spaces and rooms with low-lying areas.

The biggest risk associated with these gases is that if they reach an ignition source, they will ignite and cause fire. Careful management of these substances is therefore required to mitigate these serious flammable solid risks.


Flammable Solids vs. Flammable Liquids.

The difference between flammable solids and flammable liquids is that they differ in their physical state and behaviour.

Flammable solids, as the name suggests, are solid in form which can easily ignite and burn. Flammable liquids, on the other hand, are typically liquid in state at room temperature.

Flammable liquids are prone to leaking, spilling, and spreading, and can potentially cause large fires or explosions. Whereas flammable solids are less likely to leak but can still ignite and cause fire if exposed to the right conditions.

Risks associated with flammable liquids can be controlled by using specialised containers to prevent leakage and spillage, while flammable solids need containers designed to minimise the risk of spontaneous combustion.

Businesses must understand that both flammable solids and liquids are regulated under different safety standards, and businesses must be well-versed between these distinctions to ensure compliance and safety in the workplace.

Understanding the differences between these two hazardous materials is vital for safe handling and storage in manufacturing and industrial settings.

Flammable Solids
Flammable Liquids
Physical State Solid at room temperature Liquid at room temperature
Ignition and Combustion Ignite with a heat source, burn with a flame, release flammable gases when ignited Ignites easily due to low flash points, burns quickly, is prone to spreading, and may cause large fires or explosions
Leakage and Spillage Less prone to leakage or spillage More prone to leakage and spillage
Storage and Handling Require measures to prevent the generation of flammable gases, safe storage cabinets or containers Require approved containers, spill containment systems, proper ventilation, use of safety equipment
Regulatory Requirements Specific regulations focusing on ventilation, segregation, and fire protection Separate regulations emphasising labelling, designated storage areas and safety equipment like flame arrestors and fire extinguishing systems


The table above provides comparisons and key differences between flammable solids and liquids. Note that both flammable solids and flammable liquids pose fire hazards though they differ in their physical states, ignition characteristics, and the associated safety requirements.

When it comes to the safe storage and handling of hazardous materials, WSSA stands as a paragon of expertise and reliability. Among our range of safety storage equipment, we offer a comprehensive range of indoor flammable solid storage solutions that meet Australian safety regulations. WSSA is your trusted partner in creating a safer workplace environment.


Australian Indoor Flammable Solids Safety Storage Requirements.

Australia perhaps has the most stringent safety regulations in place, for good reason. Safety is required when the lives of those working with and around hazardous materials are at stake.

The safe storage of indoor flammable solids has requirements that cover various aspects including storage location, segregation, ventilation, and fire protection. These regulations require strict compliance, not just as a legal obligation, but also to keep people, your property, and the environment safe.

Here are some key aspects of Australian indoor flammable solids safety storage requirements:

Safety Aspect
Storage Cabinets Utilise specially designed and comply with AS5026-2012 indoor flammable solids storage cabinets, constructed with fire-resistant materials to confine flammable solids. Meets AS/NZS 5026:2012, section 5.7.3 meaning its doors release in the event of pressure build-up.
Proper Ventilation Adequate ventilation is crucial to prevent the build-up of flammable gases. Storage areas must also be equipped with appropriate ventilation systems to maintain safe conditions.
Segregation Flammable solids must be segregated from other incompatible materials to prevent reactions or cross-contamination.
Fire Protection Fire-resistant storage units and fire suppression systems are essential to minimise the risk of fires and to be able to contain them should such incidents occur.
Labelling and Signage Clear labelling and signage must be used to indicate the presence of flammable solids and provide instructions for safe handling and storage.
Training Ensure that personnel handling flammable solids receive adequate training in safe storage and handling procedures.
Regular Inspections Implement routine inspections to check for any signs of damage, leaks, or corrosion in the storage containers and cabinets.
Emergency Response Plan Develop and maintain an emergency response plan to handle potential incidents, including fire and chemical spills.



Secure Your Workplace with Indoor Flammable Solids Cabinets.

Safety should always be a top priority in any workplace, more so if you work with dangerous goods and hazardous materials. Safety is non-negotiable especially when working with flammable solids.

Flammable solids are dangerous when left exposed primarily due to their reactive nature and their potential to ignite and cause fire or explosions. Even a small spark or an increase in temperature can trigger a fire that burns rapidly and intensely.

Not only can they produce a significant amount of heat, but they also have the potential to release flammable gases and toxic fumes that can further compound the problem. Additionally, chemical fires are very challenging to extinguish as regular water-based extinguishers may not be as effective.

Don’t gamble with safety, invest in top-notch indoor flammable solids cabinets from WSSA today. Take action now to comply with Australian safety regulations and ensure the well-being of your team by taking a proactive step towards a safer, more secure workplace.

Contact us now and explore our range of safety storage solutions that meet the strictest Australian safety standards.

Streamline processes, manage workplace compliance, and reduce risk when dealing with Dangerous Goods


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Important: Assistance with unloading


For items over 30kg, select Tailgate delivery if no forklift is available for unloading. Tailgate deliveries do not qualify for free metro delivery. Tailgate delivery is to the front door, carport, or closest practical delivery point as deemed by the driver. There must be reasonable vehicle access with height clearance.


Any additional fees from courier companies will be passed on if not advised in advance.


Feel free to contact us immediately after placing your order if required.

Tailgate Delivery Terms and Conditions

Any additional handling or manoeuvring to get the items in to position that requires specialised equipment, such as a tailgated truck or a truck mounted forklift, is not covered by any free freight offers.

For those who are new to freight, a tailgate truck (also known as a tail-lift truck or hydraulic truck) has a rear platform which can be lowered to the ground for convenience when unloading heavy goods.  This is a requirement for unloading freight over 30kg when a forklift is not available on site to unload the delivery vehicle.  Carriers class this as a specialised delivery service, and charge a premium for tailgate deliveries.

Tailgate delivery is to the front door, carport, or closest practical delivery point as deemed by the driver. There must be reasonable vehicle access with height clearance.

Tailgate shipping adds an extra $135 + gst to shipping fees during checkout to cover costs.

NOTE: Selecting the WRONG answer in regards to tailgate shipping means the carrier may be unable to unload your items and may need to re-deliver it.  The Customer will be liable for any further charges for re-delivery should this occur.  Should you have questions or if you are unsure please contact us first.

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