fire block
Combustion-halting framing piece
A fire block is a piece of material—typically wood, gypsum, or mineral wool—installed in concealed spaces within walls, floors, or ceilings to slow the spread of fire.
Building codes require fire blocks at specific intervals to prevent flames from traveling through hollow cavities: The inspector noted missing fire blocks in the stairwell framing.
- fireproofingMaking materials resist combustion
- fireguardHearth spark barrier
- sealantGap-blocking substance
- compartmentalizationDivision into distinct sections
- firestoppingSealing penetrations against flames
flame retardant · construction · building code · intumescent · masonry · smoke detectors · barrier · burn through · emergency services · sprinkler systems · structural integrity · escape ladders · ember · evacuation plans · heat sensors · firefighting foam · flame · hydrants
fire blockkindling
Material for starting fires
tinder · chimney effect · fuel load · fuel source · fire starter
fire blockfire hazard
Combustion danger source
structural weakness · safety violation · code violation · penetration · breach
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