Fireproofing

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Spray gypsum-based plaster fireproofing being installed.
Circuit integrity fireproofing of cable trays, using calcium silicate boards.
Damaged spray fireproofing made of rockwool, cement and admixtures at a Toronto car dealership; 28 December 2013.

Fireproofing is making a part or a structure resist a fire, while still keeping the function it was designed for. Fireproofing is a passive fire protection measure. There are different levels of certifications; higher levels of certification mean that a part or a structure can withstand a fire longer.