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Spray-Applied Fireproofing (SFRM)

Updated Mar 26, 2026
Spray-applied fire-resistive material (cite: mineral fiber or cementitious) applied to structural steel for fire resistance ratings (1-4 hours). Thickness per UL assembly listing. Must pass bond/cohesion tests. Inspected before concealment.
TAGS
fireproofingsteelSFRMfire-ratingspray
DETAILS
types
Cementitious, Mineral Fiber
category
Fire Protection
thickness
1/2 to 2+ inches per rating
cost per sf
$2-$6
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