Fire Limitation Blanket Reference Specification for EV Fire Blankets

The DVM Fire Limitation Blanket Reference Specification provides a structured technical and procurement framework for evaluating Fire Limitation Blankets, commonly searched for as EV fire blankets, electric vehicle fire blankets, vehicle fire blankets or car fire blankets.

The framework is informed by DIN SPEC 91489:2024-11 and is intended for professional buyers, distributors, OEM customers, private-label partners, fire-safety organisations, quality managers, product managers and other technical decision-makers operating in international supply chains.

DVM Fire Limitation Blanket Reference Specification
Technical basis: Informed by DIN SPEC 91489:2024-11
Document type: DVM technical reference framework for professional product evaluation, procurement, supplier assessment and documentation review

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1. Purpose and Scope of Fire Limitation Blankets and EV Fire Blankets

This document defines a procurement-grade reference framework for Fire Limitation Blankets intended for use with electric vehicles. In commercial searches and international procurement, these products are frequently described as EV fire blankets, electric vehicle fire blankets, vehicle fire blankets or car fire blankets.

It translates relevant technical and documentary principles into an objective structure to support:

• professional buyer evaluation and tender preparation;
• supplier and product comparison;
• review of test reports and technical documentation;
• verification of model, size and construction traceability;
• OEM and private-label product development;
• assessment of markings, instructions and deployment information;
• inspection, storage and replacement planning;
• evidence-based comparison of products marketed as EV fire blankets, electric vehicle fire blankets, car fire blankets, vehicle fire blankets or battery fire blankets.

The framework applies to blankets designed to be placed over an electric vehicle to help limit the development and spread of heat, smoke and flames.

It does not define whether a blanket should be deployed in a particular incident, who is authorised to deploy it or which wider emergency response procedure applies. Those decisions belong within the relevant risk assessment, operational procedure, incident command structure and local requirements.

2. Fire Limitation Blanket, EV Fire Blanket and Industry Terminology

The official technical term used throughout the DVM Reference is:

Fire Limitation Blanket

In international searches, tenders, distributor catalogues and commercial communication, the same product category is often described using terms such as:

• EV fire blanket;
• electric vehicle fire blanket;
• electric car fire blanket;
• car fire blanket;
• vehicle fire blanket;
• EV battery fire blanket;
• battery fire blanket;
• fire containment blanket;
• vehicle fire containment blanket;
• fire suppression blanket for electric vehicles.

These terms improve discoverability and reflect real market language, but they are not always technically equivalent. Product pages and procurement documents should therefore connect each common term to the technically correct function of a Fire Limitation Blanket.

3. Operational Definitions

• Fire Limitation Blanket: a large flexible product intended to be placed over a vehicle to help contain heat, flames, smoke and burning particles and thereby limit fire development and spread.
• Electric vehicle: a road vehicle incorporating an electrically rechargeable energy-storage system and electric traction system.
• Traction battery: the rechargeable battery system that supplies electrical energy for vehicle propulsion.
• Instructed personnel: persons who have received suitable information, instruction and practical preparation for the intended deployment procedure and associated hazards.
• Product model: a defined blanket configuration with identified dimensions, construction, materials, seams, lifting or pull loops, markings, packaging and manufacturer documentation.
• Supporting evidence: test reports, declarations, technical data, product drawings, material reports, packaging documentation, application videos, traceability records and other objective information used to substantiate a product claim.
• Responsible supplier: the manufacturer, importer, distributor, private-label owner or other responsible party in the applicable supply chain.

4. Intended Function of an EV Fire Blanket

A Fire Limitation Blanket, often called an EV fire blanket or electric vehicle fire blanket, is intended to support incident control by covering the vehicle and limiting the movement of heat, flames, smoke and burning particles into the surrounding area.

Depending on the incident, operational procedure and product instructions, potential objectives may include:

• reducing flame spread to nearby vehicles or structures;
• limiting radiant heat exposure in the surrounding area;
• helping contain smoke and airborne particles;
• supporting evacuation and incident-area control;
• helping protect adjacent assets;
• supporting controlled movement or isolation of a vehicle where permitted;
• supporting professional firefighting and recovery procedures.

The blanket does not remove the stored energy in a traction battery and does not eliminate the possibility of continuing thermal runaway, gas generation, reignition or delayed escalation.

5. EV Fire Blanket Limitations and Non-Intended Uses

A Fire Limitation Blanket should not be represented as:

• an active extinguishing agent;
• a guaranteed method for extinguishing a traction-battery fire;
• a substitute for emergency services or incident command;
• a substitute for evacuation, isolation distances or site procedures;
• personal protective equipment;
• electrical insulating equipment;
• a respirator or protection against toxic gases;
• a universal solution for every vehicle, battery or fire scenario;
• a product intended for direct use on a removed and opened traction battery;
• a permanent heat shield or general-purpose industrial cover.

Procurement documentation should clearly identify the operational limits, storage conditions, reuse conditions, disposal instructions and any situations in which deployment is not recommended.

6. Product Design and Identification

The product configuration should be defined sufficiently clearly to enable a buyer, test laboratory or auditor to determine exactly which model is being evaluated.

Product documentation should identify:

• manufacturer and responsible supplier;
• product name and model designation;
• finished blanket dimensions;
• measured or declared product weight;
• material and composite-layer construction;
• coating type and coated sides where applicable;
• seam and edge construction;
• number, position and construction of pull or lifting loops;
• packaging or storage-container configuration;
• top and bottom orientation where the two sides differ;
• batch or serial traceability;
• applicable test-report references;
• supplied instructions and language versions.

Fire Limitation Blankets should be rectangular. A square blanket is also a rectangular configuration.

Where the two surfaces have different materials or functions, the top and bottom sides should be identified clearly.

7. EV Fire Blanket Dimensions and Vehicle Coverage

Blanket dimensions should be selected so that the intended vehicle can be covered with sufficient material reaching the ground around the vehicle.

Procurement evaluation should consider:

• vehicle length, width and height;
• mirrors, roof systems and external accessories;
• ground clearance and wheel position;
• available deployment space around the vehicle;
• the number and position of deployment loops;
• the number of instructed personnel required;
• the required handling time;
• the effect of wind, rain, water and uneven ground;
• storage and transport weight;
• the ability to achieve substantially complete coverage.

A nominal size alone is not sufficient evidence of suitability. Buyers should review the finished dimensions, measured weight, application test and instructions for the exact model being purchased.

8. EV Fire Blanket Deployment and Applicability

The ability to deploy the complete product is a central procurement requirement.

Under DIN SPEC 91489:2024-11, the manufacturer is expected to demonstrate the application of each model by no more than two people on a vehicle meeting the specified minimum dimensions, within the specified application time, with the blanket starting in its storage container.

The application demonstration should address both dry and wet vehicle conditions and should be documented by video.

Buyers should verify that deployment evidence applies to the actual size, weight, loop arrangement, packaging and folding method being supplied.

9. Flexibility and Deformation Resistance

The blanket should remain sufficiently flexible for storage, handling and deployment without damage or permanent deformation that impedes its intended use.

DIN SPEC 91489:2024-11 includes a rollability assessment using a bar with a diameter of 100 ± 10 mm along axes parallel to the adjacent sides.

Evidence should confirm that the evaluated blanket construction can satisfy the applicable deformation requirement after the prescribed conditioning.

10. Thermal Performance of Fire Limitation Blankets

Thermal performance should be supported by applicable test documentation for the complete material construction.

The evaluation should address:

• reaction-to-fire classification;
• resistance to direct flame exposure;
• continuous thermal loading;
• short-duration elevated thermal loading;
• temperature development through the material;
• visible damage, penetration, cracking or failure;
• transferability of results to other models or sizes;
• consistency between tested and supplied construction.

DIN SPEC 91489:2024-11 requires at least building-material class B with d0 in accordance with DIN EN 13501-1.

Where a supplier claims a higher reaction-to-fire classification, the exact classification and supporting report should be available.

11. Mechanical Stability

The product must remain mechanically usable during handling, deployment and foreseeable loading.

Mechanical evidence should address:

• cut resistance of the blanket material;
• tensile strength in relevant directions;
• strength of seams and edge construction;
• attachment strength of pull and lifting loops;
• stability of the complete blanket under load;
• damage after conditioning or exposure where applicable;
• consistency between tested samples and production products.

DIN SPEC 91489:2024-11 refers to cut-resistance testing in accordance with DIN EN ISO 13997 and requires at least performance level A.

Buyers should also review the applicable load or tensile test results for the complete blanket and loop arrangement, rather than relying solely on fabric strength data.

12. Resistance to Environmental and Operational Exposure

Depending on the applicable test programme and product claims, evidence may be required for resistance to foreseeable environmental or operational exposure.

Relevant considerations include:

• water and wet handling;
• vehicle fluids and chemical exposure;
• contamination by oil, fuel, coolant or cleaning agents;
• outdoor storage conditions;
• temperature and humidity during storage;
• abrasion, folding and transport damage;
• electrostatic behaviour;
• electrical hazards and safe operating limitations;
• radio-frequency permeability.

Any performance claim should be limited to the exact exposure conditions covered by the available evidence.

13. Radio-Frequency Permeability

The product should state whether it is radio-frequency permeable, including in relation to systems such as eCall and mobile communication.

This information is relevant because covering a vehicle may affect the operation of vehicle communication or warning systems.

Procurement documentation should therefore identify:

• whether radio-frequency permeability is claimed;
• the basis for that claim;
• where the information appears on the product or label;
• any limitations or conditions;
• the relationship with site communication procedures.

14. Materials, Coatings and PFAS Information

The material specification should identify the blanket fabric, coating, composite structure and any relevant chemical or environmental declarations.

DIN SPEC 91489:2024-11 indicates that PFAS-free materials should be used wherever possible because of ongoing regulatory activity concerning perfluoroalkyl and polyfluoroalkyl substances.

Professional buyers may request:

• material composition information;
• coating identification;
• PFAS declarations;
• REACH or other applicable chemical declarations;
• material safety information where relevant;
• disposal and end-of-life instructions;
• supplier change-control procedures.

15. EV Fire Blanket Marking and Product Identification

The blanket and its storage packaging should provide clear, durable and traceable product information.

Depending on the applicable requirements and product configuration, marking and documentation should identify:

• product name;
• manufacturer and responsible supplier;
• model or type designation;
• finished dimensions;
• product weight;
• batch, serial or production identification;
• applicable technical-rule reference and edition;
• top and bottom orientation where relevant;
• deployment direction and loop identification;
• radio-frequency permeability information;
• inspection and replacement information;
• reuse or disposal status;
• required warnings and limitations.

16. Manufacturer Information and Instructions

The manufacturer’s information should be sufficiently complete to support safe storage, preparation, deployment, inspection and end-of-life handling.

Relevant information includes:

• intended use and limitations;
• required number of instructed personnel;
• deployment method;
• illustrations or pictograms;
• folding and repacking instructions where applicable;
• storage temperature and environmental conditions;
• periodic inspection requirements;
• recommended annual visual inspection when the blanket is not in use;
• damage and rejection criteria;
• reuse conditions or single-use status;
• cleaning or decontamination limitations;
• disposal instructions;
• cut-protection level and applicable test method;
• radio-frequency permeability information;
• required PPE and operational precautions;
• emergency and post-incident considerations.

17. EV Fire Blanket Test Reports and Evidence Traceability

Test evidence should be sufficiently detailed to establish which product, model, size, materials, seams, loops, packaging and instructions were evaluated.

A procurement-grade test report should identify, as applicable:

• product model and type designation;
• manufacturer and responsible supplier;
• reference to the applicable technical rule and edition;
• measured dimensions and weight;
• application-test result;
• thermal-test results and temperature curves;
• mechanical-stability results;
• conditioning and test methods;
• deviations from the prescribed procedure;
• observed peculiarities or failures;
• test date;
• manufacturer declarations for items not tested by the laboratory;
• laboratory or expert body issuing the report or opinion.

The buyer should verify that the report covers the exact product being offered. Similar appearance, identical colour or a common supplier name does not establish technical equivalence.

18. Transfer of Test Results

Test results should not automatically be transferred between different products, sizes or private-label versions.

Before accepting transferred evidence, verify:

• whether the material structure is identical throughout;
• whether coatings and coated sides are identical;
• whether seams and edge construction are unchanged;
• whether loop design and attachment are unchanged;
• whether dimensions or weight affect deployment;
• whether folding and packaging remain equivalent;
• whether the manufacturer has documented the technical justification;
• whether the test report explicitly permits or supports the transfer.

Application testing should be reviewed for each product model because size, weight, loop configuration, folding and packaging may materially affect deployment.

19. Reuse, Replacement and Disposal

The manufacturer must state whether and under which conditions the product may be reused.

Procurement documentation should avoid assuming that every vehicle fire blanket is reusable. A product may have experienced:

• thermal degradation;
• cuts, tears or seam damage;
• contamination by hazardous substances;
• exposure to battery gases, smoke or fire residues;
• damage to loops or markings;
• unknown loading or handling;
• loss of traceability;
• deformation that affects future deployment.

After use, the blanket should be quarantined and assessed in accordance with the manufacturer’s instructions and the responsible organisation’s hazardous-material, occupational-safety and waste procedures.

If safe reuse cannot be demonstrated, the product should be replaced and disposed of appropriately.

20. Periodic Inspection

DVM recommends a documented visual inspection at least once every year when the blanket is not in use.

More frequent inspection may be appropriate where products are:

• stored outdoors or in vehicles;
• exposed to moisture, dirt, chemicals or temperature variation;
• handled frequently;
• used for training;
• stored in public or high-risk environments;
• subject to vibration or transport movement;
• part of a formal emergency-response system.

Inspection should address:

• storage-container condition;
• accessibility and location identification;
• blanket packaging and seals;
• loop condition and visibility;
• marking and instruction legibility;
• moisture, contamination or pest damage;
• known deployment or training history;
• model, batch and inspection traceability;
• continued suitability for the intended vehicle risk.

For the complete inspection and documentation structure, open the Fire Limitation Blanket Inspection Guidelines .

21. EV Fire Blanket Procurement Audit Summary

A professional buyer should request objective confirmation of:

• the exact product model and manufacturer;
• finished dimensions and measured or declared weight;
• material, coating, seam and edge construction;
• loop design, number, position and attachment strength;
• application evidence for the exact model;
• thermal-performance evidence;
• reaction-to-fire classification;
• cut-resistance evidence;
• mechanical-stability evidence;
• environmental and chemical-resistance information where applicable;
• radio-frequency permeability information;
• PFAS and other relevant material declarations;
• markings and user instructions;
• inspection, reuse, replacement and disposal instructions;
• product and batch traceability;
• test-report scope and edition;
• consistency between the tested and supplied product;
• change-control arrangements for OEM or private-label versions.

For the buyer-ready verification tool, open the Fire Limitation Blanket Procurement Audit Checklist .

22. OEM and Private-Label Requirements

OEM and private-label projects require controlled documentation because branding, dimensions, packaging, instructions or product construction may differ from the tested configuration.

The project file should identify:

• approved product specification;
• model and article number;
• approved dimensions and weight;
• material and coating specification;
• seam, edge and loop drawings;
• approved packaging and folding method;
• approved artwork and language versions;
• manufacturer, brand-owner and distributor responsibilities;
• applicable test reports and scope;
• batch and production traceability;
• change-control and revalidation procedure;
• inspection, reuse and disposal documentation.

A branding change alone may not affect performance, but changes to dimensions, weight, materials, coatings, seams, loops, folding, packaging or instructions may affect the applicability of existing evidence.

23. International EV Fire Blanket Procurement and Market Requirements

DIN SPEC 91489 can provide a useful technical reference for international procurement, but it does not automatically establish compliance with all legal, regulatory, occupational-safety or market-access requirements in every country.

Buyers and suppliers should determine:

• which technical-rule edition applies contractually;
• which national fire-safety requirements apply;
• which occupational-safety requirements apply;
• which product, chemical and waste rules apply;
• which languages are required;
• which responsible economic operators must be identified;
• which training and operational procedures are required;
• which test reports, declarations or certificates are required.

24. Claims and Certification Language

Product claims should distinguish clearly between:

• tested against DIN SPEC 91489;
• meeting identified requirements of DIN SPEC 91489;
• documented conformity with DIN SPEC 91489;
• certification under an identified certification scheme;
• material testing only;
• complete-product testing.

A test report is not automatically a product certificate. The term “certified” should only be used where an actual certification process and certificate apply.

Claims such as “extinguishes EV battery fires,” “stops thermal runaway,” “safe for all EV fires,” “reusable after every incident” or “maintenance free” should not be used without precise scope, conditions and adequate evidence.

For detailed product-page wording rules, open the Normative Annex for Fire Limitation Blanket Product Pages .

25. Relationship with the Supporting Reference Pages

The DVM Fire Limitation Blanket Reference consists of coordinated professional tools.

• Reference Specification
  Defines the central technical, documentary and procurement framework.
• Compliance Matrix
  Connects individual requirements to the evidence that should support them.
• Procurement Audit Checklist
  Converts the framework into a concise buyer and supplier-assessment process.
• Normative Annex for Product Pages
  Defines evidence-based wording and product-presentation requirements, including common search terminology such as EV fire blanket and electric vehicle fire blanket.
• Inspection Guidelines
  Provides inspection, storage, recording, quarantine and replacement criteria.
• Document Library
  Provides central access to available reference, technical, test and inspection documents.

Related Reference Pages

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Important: This Reference Specification provides professional technical and procurement guidance. It does not determine incident tactics and does not replace the current applicable technical rule, product-specific test reports, manufacturer instructions, site risk assessments, emergency procedures or national and local requirements.