What is the focus of a post-installation inspection for fireproofing?

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Post-installation inspection for fireproofing centers on confirming that the installed material meets the project’s specifications in practical, verifiable ways. The most important focus is verifying the as-built thickness to ensure the fire-resistance rating is achieved; too little or too much thickness can compromise performance and diverge from contract requirements. Checking cure status is essential because a fully cured, properly bonded coating or concrete-like spray must reach its intended strength and adhesion before the space is put into service. Patching quality and the overall condition are also critical, since any repairs or surface damage must be addressed with compatible material and proper workmanship so there are no weak spots that could reduce protection. Together, these checks ensure the fireproofing will perform as specified under fire conditions.

Other options miss the mark because they don’t assess the performance or long-term integrity of the installed fireproofing: air quality tests are about health during application, color is an aesthetic cue rather than performance, and measuring interior temperature does not reflect the integrity of the fireproofing system.