For patching SFRM repairs on a project, which material is permitted?

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Multiple Choice

For patching SFRM repairs on a project, which material is permitted?

Ensuring the patch preserves fire-resistance performance by using the same spray-applied fireproofing material as the original installation. Using the same SFRM guarantees consistent composition, bonding, cure, density, and thermal behavior, so the repaired area carries the same fire rating as the surrounding material. If you select a different patch material, like a cementitious or epoxy patch, or rely on metal mesh reinforcement alone, you risk mismatched properties, weaker adhesion, and altered expansion and heat response, which can reduce the effectiveness of the fireproofing system. Therefore, the patch should be the same SFRM used on the project, applied according to the manufacturer’s guidelines.

Ensuring the patch preserves fire-resistance performance by using the same spray-applied fireproofing material as the original installation. Using the same SFRM guarantees consistent composition, bonding, cure, density, and thermal behavior, so the repaired area carries the same fire rating as the surrounding material. If you select a different patch material, like a cementitious or epoxy patch, or rely on metal mesh reinforcement alone, you risk mismatched properties, weaker adhesion, and altered expansion and heat response, which can reduce the effectiveness of the fireproofing system. Therefore, the patch should be the same SFRM used on the project, applied according to the manufacturer’s guidelines.

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