A penetration through a rated gypsum wall is patched with ordinary joint compound only. What must be maintained?
Correct Answer
C) Rated assembly.
Maintain the required rated assembly using the applicable penetration protection or approved repair detail. Surface appearance alone cannot establish rating; match the actual listed system and its installation conditions. Source: https://www.ul.com/thecodeauthority/knowledge/fire-resistance-rated-walls-adjoining-unprotected-steel-beams
Why This Is the Correct Answer
Maintain the required rated assembly using the applicable penetration protection or approved repair detail. Surface appearance alone cannot establish rating; match the actual listed system and its installation conditions. Source: https://www.ul.com/thecodeauthority/knowledge/fire-resistance-rated-walls-adjoining-unprotected-steel-beams
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