Flame-Resistant Workwear Safety Guide

How to Select, Wear, Maintain & Retire Flame-Resistant Workwear

This guide helps you select, wear, maintain, and retire flame-resistant (FR) workwear, so you reduce the risk of burn injuries, fabric ignition, or heat-transfer hazards.

Understanding Thermal & Flame Hazards

Workers exposed to fire, flames, radiant heat, molten metal, or flash fire conditions face serious risks including:

• Burns or injuries when clothing ignites, melts, or drips
  
• Heat transfer through materials causes thermal stress or injury
  
• Damage to seams, closures, or fabrics reduces protection
  
• Heat stress due to wearing heavy FR garments in hot/humid conditions
  

The Hierarchy of Controls

Before relying on FR clothing, follow the hierarchy of controls:

• Eliminate the hazard (e.g., remove ignition sources)
  
• Substitute with a less hazardous process or material
  
• Engineering controls (barriers, insulation, ventilation)
  
• Administrative controls (procedures, work rotation, training)
  
• Personal Protective Equipment (PPE) - FR workwear is the last line of defense.
  

Selecting the Right FR Workwear

When selecting FR workwear, ensure the garment meets the hazard and standards. Key factors include:

• Type of hazard: flames, radiant heat, molten metal splash, short-duration fire event
  
• Standard(s) to which the garment is certified: e.g., AS/NZS 4824:2021 (for wildland firefighting clothing) plus equivalent standards for industrial use
  
• Materials, closures, thread, and reflective tape are all vis-à-vis the hazard category
  
• Fit, comfort, mobility, and coverage (arms, torso, legs)
  
• Manufacturer’s documentation: intended use, limitations, maintenance instructions
  

Use & Fit

• Choose a correct size, snug but not restrictive; wrists, ankles, and other openings properly covered
  
• Ensure the garment is fully closed/fastened: no exposure gaps
  
• Don’t modify the garment (no uncertified patches, emblems, extra pockets) without approval; modifications may void certification
  
• Inspect the garment before each use for burns, holes, seam issues, and hardware damage
  

Care, Maintenance & Replacement

• Follow the manufacturer’s cleaning/maintenance instructions, use approved detergents, and  correct temperatures
  
• Store garments in a clean, dry place, away from direct sun, chemicals, or sharp edges
  
• Maintain an inspection log if part of a critical PPE set
  

Replace garment when:

• Exposed to a direct flame/radiant-heat incident
  
• Shows visible damage (burns, holes, seam separation)
  
• Service life from the manufacturer is exceeded
  
• Contaminated by oils/chemicals that may degrade FR properties
  

Roles & Responsibilities

Employers should:

• Provide the correct FR workwear certified for the hazard
  
• Train workers on correct use, limitations, and maintenance
  
• Ensure inspection, record-keeping, and replacement procedures
  
• Monitor wearer comfort and heat-stress risk when FR clothing is used
  

Workers should:

• Wear the FR workwear as intended and fitted correctly
• Inspect it regularly, report damage or contamination
  
• Follow care and storage procedures
  
• Never alter the garment without approval
  

Quick Safety Checklist

• Hazard assessment completed, and other controls applied first
  
• FR workwear certified to the appropriate standard and hazard matched
  
• The garment fits correctly and covers all required zones
  
• Garment is inspected, maintained, and stored appropriately
  
• Workers trained in use, limitations, and maintenance
  
• Garment is retired when damaged, exposed to hazards, or at the end of service life
  

Key Takeaway

Flame-resistant workwear is a critical back-up protection layer. Choose garments that meet recognized standards (such as AS/NZS 4824:2021 or equivalent), wear them properly, maintain them diligently, retire them when needed, and always use them in combination with other hazard controls to keep workers safe.