When can visual inspections of TFIFRM occur?

Visual inspections of thermal fireproofing materials (TFIFRM) are typically conducted after the product has dried or cured. This is crucial because inspecting the material before it has fully cured or dried could lead to inaccurate assessments of application quality, thickness, and overall integrity. Once the fireproofing has dried, inspectors can better determine if the application meets the required standards, including uniformity, texture, and coverage according to applicable codes and specifications.

Inspectors look for issues such as surface defects, adherence to substrates, and whether the overall thickness of the fireproofing meets the design specifications. Conducting inspections at this stage helps ensure that the fireproofing will perform effectively in the event of a fire.

Visual inspections during the application phase may not yield reliable results due to the material's wet and fluid state, while inspecting before it has cured would also be premature, as any defects may not be visible. Inspecting after installation, but before curing is completed, can overlook critical performance indicators that only become apparent once the material has set. Therefore, the correct timing for these visual inspections is indeed after the drying or curing process has completed.