PROMASPRAY®-P300 is a spray or trowel applied, single package factory controlled premix, based on vermiculite and gypsum, for internal use. 

PROMASPRAY®-P300 is a lightweight coating that provides very efficient fire resistance with minimal thickness to steel and concrete frames, metal floor and roof decks, and to return air plenums.

Structures protected with PROMASPRAY®-P300 can provide fire resistance for up to 240 minutes. Building types that will benefit from the use of PROMASPRAY®-P300 include a wide range of educational, leisure and entertainment centres, and commercial projects.


  • lightweight and durable coating suitable for fire resistance of up to 240 minutes
  • economic and quick application
  • improve acoustic and thermal insulation
  • fire protection of steel ribbed slabs