Hazmat Chemical Storage
Safely Store Corrosives, Toxics, and Other Hazardous Materials with FM Approved Buildings
DENIOS provides engineered hazmat storage solutions designed for the compliant storage of non-flammable hazardous materials. These buildings and containers are ideal for storing corrosives, pesticides, herbicides, fertilizers, and other regulated substances that require containment, but not fire-rated protection.
Our hazmat storage buildings are FM-approved for insurance and safety compliance, offering options such as walk-in configurations and rack-style containers. Built for both indoor and outdoor use, these non-fire-rated units physically separate chemicals from workspaces, other substances, and personnel, helping to reduce risk while supporting efficient workflows.
What is Hazmat Storage?
Hazmat storage involves the controlled containment of hazardous substances, like corrosives, toxic compounds, and regulated pesticides—under conditions that protect people, the environment, and surrounding operations. In this context, it refers explicitly to non-flammable hazmat, meaning substances that are dangerous but not fire-prone. Check out our article on Planning a Hazmat Storage.
Includes:
- Toxic or corrosive liquids
- Reactive or environmentally hazardous substances
- Pesticides, herbicides, solvents, fertilizers
- Lab chemicals not requiring fire-rated housing
Excludes:
- Explosives or volatile organics
- Reactive or environmentally hazardous substances
DENIOS does have fire-rated solutions for storing flammable and explosive materials. Click the link below to find out more.
Types of Non-Fire-Rated Hazmat Storage Buildings
Walk-In Hazmat Buildings
Designed for personnel entry and chemical handling tasks like dosing, decanting, or dispensing. Ideal for use cases that require workspace access to hazardous materials.
Industries that typically benefit from walk-in hazmat buildings include chemical manufacturing, laboratories, water treatment plants, and pharmaceutical facilities—any environment where workers need regular, hands-on access to hazardous materials.
Key Benefits:
Compact footprint with high storage density
Segregated racking for safe chemical separation
Easy forklift or pallet jack access
Ideal For:
Bulk chemical storage with minimal daily interaction
Segregation of incompatible substances
Outdoor placement or remote access locations
Rack-Style Hazmat Storage Containers
Rack-style buildings are non-occupiable units that maximize vertical space for drums, totes, or IBCs. These are ideal for bulk chemical storage, satellite waste collection, or remote installations where frequent access is not required.
Rack-style storage is commonly used in agriculture, waste management, logistics, public works, and fleet maintenance—industries that store chemicals in bulk and prioritize efficient, space-saving containment with minimal daily interaction.
Key Benefits:
Internal workspace for chemical handling
Enhanced organization and safety
Can include HVAC, lighting, and safety showers
Ideal For:
Facilities needing frequent access to hazardous materials
Operations requiring chemical transfer or measuring on-site
Indoor or outdoor installation
Regulatory Guidelines for Non-Flammable Hazmat Storage
DENIOS solutions help meet regulatory guidelines for non-fire-rated hazardous material storage:
OSHA (29 CFR 1910.106 & 1910.120):
Ensure compatibility between containers and substances
Maintain secondary containment to prevent environmental release
Keep storage areas organized and labeled
Learn More on OSHA.COM
EPA RCRA (40 CFR 264/265 Subpart I):
Use spill containment systems
Weekly inspections required
Substances must be kept closed and properly marked
Learn More on the EPA Website.
DOT (49 CFR 176):
Substances must be identified and properly segregated
Packaging must conform to DOT/UN standards for transport
Learn More on the US CFR page.
DENIOS provides free resources to help keep your storage organized and compliant.
DENIOS Customized Accessories for Hazmat Storage
The equipment plays a decisive role in the individual product configuration. Let our experienced experts coordinate your requirements with you and develop a tailor-made solution. We offer several add-ons to our Buildings; the most popular ones are:
Heating, ventilation, air conditioning, and cooling technology for regulation of the indoor climate. Reliable air conditioning for heat or frost-sensitive goods is necessary in many industrial areas to protect stored chemicals from harmful temperature influences.
As well as ramps, lighting, and eye shower stations, among others. See how DENIOS custom tailored a storage solution for our National Defense. If you need help with planning the perfect solution for you business, ask your sales representative for further advice!
Air conditioning
Optional HVAC equipment for electrically classified interiors.
Heating
Optional HVAC equipment for electrically classified interiors.
Technical ventilation
For effective cross ventilation of the hazmat storage.
The control technology is optimally matched to DENIOS chemical buildings. It triggers an optical and acoustic alarm in case of a deviation in measured data. In addition, automatic locking or extinguishing systems are activated, for example. All information is on the operating and display elements presented.
Comfort control
Modern touch panels/displays for indoor or outdoor use are easily used.
Dry Chem systems
Dry Chem systems provide extra safety in containers used to store flammable and non-flammable substances. DENIOS offers a wet or dry system.
Fire detectors
DENIOS fire detectors are equipped with approved multi-sensors that detect smoke and fire quickly and reliably.
What is the meaning of FM approval?
FM approvals are the independent testing arm of the international insurance carrier FM Global. FM approvals use scientific research and testing to ensure products conform to the highest safety and property loss prevention standards. Products that pass get the “FM APPROVED” mark.
Learn more on the FM Approvals website.
Frequently Asked Questions About Non-Fire-Rated Hazmat Storage Buildings
What is a non-fire-rated hazmat storage building?
A non-fire-rated hazmat storage building is an engineered structure designed to store hazardous materials that are not flammable or explosive. These buildings provide physical separation, spill containment, ventilation, and secure storage, but they are not built to withstand or contain fire. They are ideal for storing substances like pesticides, corrosives, herbicides, and industrial chemicals that don't require fire-rated protection. Learn about the DENIOS full suite of storage solutions in our Chemical Storage Presentation.
What types of materials can be stored in these buildings?
These buildings are suitable for storing a wide range of non-flammable hazardous substances, including:
Corrosive chemicals (e.g., acids and bases)
Pesticides and herbicides
Fertilizers and solvents (non-ignitable types)
Toxic or environmentally regulated compounds
Laboratory reagents not requiring fire protection
⚠️ Flammable or explosive materials (Class 3 liquids, etc.) must be stored in fire-rated storage buildings.
You can explore DENIOS Fire-Rated Buildings here.
What is the difference between walk-in and rack-style hazmat buildings?
Walk-in buildings allow personnel entry and are ideal for operations involving handling, dispensing, or mixing chemicals. They feature workspace configurations, HVAC options, and interior shelving.
Rack-style buildings are not designed for occupancy. They maximize vertical storage of drums and totes and are used primarily for bulk storage or remote containment.
Each style serves different needs based on workflow, space, and how often chemicals need to be accessed.
What industries typically use non-fire-rated hazmat storage?
Industries using these storage buildings include:
Chemical processing and manufacturing
Agriculture and landscaping
Laboratories and research facilities
Water and wastewater treatment plants
Public works and parks departments
Waste management and logistics centers
Each benefits from secure, compliant storage for hazardous materials that don’t pose a fire risk.
Are these buildings compliant with OSHA and EPA regulations?
Yes. DENIOS non-fire-rated buildings are designed to meet applicable requirements, including:
OSHA 29 CFR 1910.106 and 1910.120 for hazardous substance handling
EPA RCRA (40 CFR 264/265 Subpart I) for hazardous waste containment
DOT 49 CFR 176 for compliant packaging, labeling, and segregation of materials
They also carry FM approval, which ensures compliance with insurance and safety standards.
Can these buildings be used indoors or outdoors?
Yes, DENIOS hazmat storage buildings are engineered for both indoor and outdoor installation. They include features like:
Forkliftable bases and lifting eyes for easy relocation
Spill containment sumps for leak protection
Weather-resistant construction and optional environmental controls
Placement depends on site needs, but both environments are supported.
How do I know if I need a fire-rated or non-fire-rated building?
If you are storing flammable liquids, gases, or explosive substances, you will need a fire-rated building that meets NFPA 30 and fire-resistance standards. If your chemicals are non-flammable but still hazardous—such as corrosives, toxic compounds, or regulated pesticides—a non-fire-rated storage building is sufficient and more cost-effective.
What optional features can I add to these buildings?
DENIOS offers a range of custom accessories to optimize safety and performance:
HVAC systems for temperature control
Mechanical ventilation for fume management
Eye wash and safety shower stations
Lighting and ramps
Alarm systems and digital displays
These options are especially valuable in personnel-access walk-in units or facilities with heat-sensitive chemicals.
What is FM approval, and why is it important?
FM (Factory Mutual) approval is a certification from FM Global, an international insurance and risk management firm. It confirms that the product:
Meets high safety and loss-prevention standards
Has passed rigorous performance testing
Is eligible for insurance compliance and reduced liability risk
FM approval ensures reliability—even for non-fire-rated applications.
How can I request a quote or get help selecting the right solution?
You can request a quote directly through our website or contact a DENIOS storage specialist to help you design a custom solution. We’ll assess your storage needs, regulatory obligations, and space requirements to recommend the best configuration for your facility.