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SEL Number: 01SF-01-HODP
Title: Hood, Particulate Blocking Protective, Structural Fire Fighting, NFPA 1971


Last Updated: 7/21/2023 3:06:03 PM

Previous SEL Number: 01SF-01-HODP

Description: Structural fire fighting particulate blocking protective hood (certified as compliant with the optional particulate blocking requirements of NFPA
National Fire Protection Association
1971).

ImportantFeatures: The particulate blocking hood includes one or more layers that attenuate the passage of particulates and are intended to limit the amount of particulate that reaches the firefighter's face. These hoods are required to have composite layers that provide for at least 90% particle holdout for particle sizes ranging from 0.1 to 1 microns with coverage in the hood for those areas which are like to be externally exposed to smoke environments including the sides and front of the face around the opening for the SCBA
Self Contained Breathing Apparatus
. Some hoods may have a particulate blocking layer throughout the entire hood. Many hoods are made of similar knit materials that are used in standard structural firefighting hoods. These hoods must meet all of the requirements applied to standard hoods -- flame resistance, heat resistance, thermal insulation, hood opening retention, burst strength, and cleaning shrinkage resistance, but also have to meet minimum particulate blocking criteria and offer minimum levels of breathability.

Operating Considerations: Structural fire fighting includes rescue, fire suppression, and property conservation in buildings, enclosed structures, vehicles, marine vessels, or like properties that are involved in a fire or emergency situation. While the primary intent of structural fire fighting protective clothing is to protect against high heat and incidental flame contact while providing adequate thermal insulation in a range of fire ground conditions, structural fire fighting protective clothing is also designed to protect against some hazardous liquids, including blood and body fluids, and physical hazards. Nevertheless, structural fire fighting protective clothing does not protect against chemical agents or toxic industrial chemicals. The hood should be selected to be compatible with the coat and other elements of the structural fire fighting protective ensemble.

Particulate blocking hoods should be used when concerns exist for preventing particulate exposure to the interface hood/helmet/garment area of the ensemble. Particulate blocking hoods need to be selected that integrate successfully with the selected SCBA
Self Contained Breathing Apparatus
, helmet, and protective coat.

Use considerations are provided in OSHA Title 29 CFR
Code of Federal Regulations
Sections 1910.132 and 1910.1030, and NFPA
National Fire Protection Association
1500, Standard on Fire Department Occupational Safety and Health Program. Selection, care, and maintenance requirements are provided in NFPA
National Fire Protection Association
1851, Standard on Selection, Care, and Maintenance of Protective Ensembles for Structural Fire Fighting and Proximity Fire Fighting. May be used with both structural and proximity fire fighting ensembles.

Training Requirements: Core Training: NFPA
National Fire Protection Association
1851, NFPA
National Fire Protection Association
470 Chapters 6 and 8 as applicable, OSHA 1910.132.
Initial Training: Moderate (1-2 days)
Sustainment Training: Moderate (1-2 days)

Mandatory Standards:


Applicable Standards and References: