In a fire, the fireproofing delays an increase in temperature behind the element. Where flammable material is stored behind the element, the fireproofing can prevent ignition of the material, hopefully until the fire is extinguished.
Mesh might be used to retain char on the substrate. It might be used to retain the fireproofing material on the substrate before a fire even if the fireproofing material adheres to the substrate.
The development of a line of products that would allow safe and effective sealing of nearly any through penetration could be considered nothing less than a work of art. We have mastered the art of firestopping.
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