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Materials that do not react with heat. Non-intumescent materials.
A specific construction consisting of a rated floor, a non-rated exterior curtain wall and fill and forming materials installed between the floor and and curtain wall to prevent the spread of fire vertically.
Firestopped pillows or cushions that are installed in unusual openings by compressing and stacking to fill voids on every side. They expand to fully seal the openings during smoke and fire.
Firestopping, non-hardening, compound designed to seal through-penetrations as well as certain membrane penetrations against the spread of fire, smoke and toxic gasses.
Acronym for Polyvinyl Chloride. A combustible thermoplastic resin used in the manufacture of certain nonmetallic pipes used primarily for DWV, cold water supply, and electrical applications.