A rated wall joint is filled with ordinary painter's caulk instead of the specified fire-resistive sealant. What is the issue?
Correct Answer
A) The rated joint detail may not be met.
Rated assemblies require approved joint and penetration materials; ordinary painter's caulk may not satisfy the rated detail.
Why This Is the Correct Answer
Rated assemblies require approved joint and penetration materials; ordinary painter's caulk may not satisfy the rated detail.
Why the Other Options Are Wrong
Option B: Accept a common sealant substitution if the joint looks continuous after tooling.
Accept a common sealant substitution if the joint looks continuous after tooling. may relate to another site control, but it does not remove or guard the rated joint sealants exposure being tested.
Option C: Proceed with the finish work where a rated wall joint is filled with ordinary painter's caulk instead of the specified fire-resistive sealant, and wait for the owner to notice any finish problem.
Proceed with the finish work where a rated wall joint is filled with ordinary painter's caulk instead of the specified fire-resistive sealant, and wait for the owner to notice any finish problem. may relate to another site control, but it does not remove or guard the rated joint sealants exposure being tested.
Option D: Treat the item as a color or trim preference where a rated wall joint is filled with ordinary painter's caulk instead of the specified fire-resistive sealant, instead of correcting the material or clearance issue.
Treat the item as a color or trim preference where a rated wall joint is filled with ordinary painter's caulk instead of the specified fire-resistive sealant, instead of correcting the material or clearance issue. may relate to another site control, but it does not remove or guard the rated joint sealants exposure being tested.
Memory Technique
Name the harm before the guard; accept, sealant, substitution cannot stand in for Checking Finish.
Reference Hint
Study anchor (closed-book): memorize Rated joint sealants from California Building Code, California Code of Regulations Title 24. / Title 24 California Building Code fire-resistance-rated joint systems; know the rule or calculation trigger without relying on exam-room lookup.
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