Sound-control insulation in a multifamily party wall is missing in several stud bays before drywall. What should be done?
Correct Answer
B) Install acoustic insulation before cover.
Specified acoustic insulation should be installed before drywall covers the wall assembly.
Why This Is the Correct Answer
Specified acoustic insulation should be installed before drywall covers the wall assembly.
Why the Other Options Are Wrong
Option A: Leave the rough condition in place where sound-control insulation in a multifamily party wall is missing in several stud bays before drywall, and expect trim or covering work to mask the defect.
Leave the rough condition in place where sound-control insulation in a multifamily party wall is missing in several stud bays before drywall, and expect trim or covering work to mask the defect. addresses a neighboring field issue, but not the condition or method control required for acoustical insulation.
Option C: Close the inspection item where sound-control insulation in a multifamily party wall is missing in several stud bays before drywall, without correcting the installation before the next trade.
Close the inspection item where sound-control insulation in a multifamily party wall is missing in several stud bays before drywall, without correcting the installation before the next trade. addresses a neighboring field issue, but not the condition or method control required for acoustical insulation.
Option D: Use plumbing primer as sound sealant.
Use plumbing primer as sound sealant. addresses a neighboring field issue, but not the condition or method control required for acoustical insulation.
Memory Technique
The field condition asks; acoustical insulation answers in work boots for Checking Multifamily.
Reference Hint
Study anchor (closed-book): memorize Acoustical insulation from California Building Code, California Code of Regulations Title 24. / Title 24 California Building Code sound transmission and insulation concepts; know the rule or calculation trigger without relying on exam-room lookup.
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