In the rainscreen wall section, what material is keynote 23?
Correct Answer
C) mineral wool insulation
The keynote list identifies 23 as mineral wool insulation.
Why This Is the Correct Answer
The keynote list identifies 23 as mineral wool insulation.
Why the Other Options Are Wrong
Option A: air barrier
air barrier skips the written authority, scope, price, notice, or release control needed for section/detail keynote lookup.
Option B: Z-girt
Z-girt skips the written authority, scope, price, notice, or release control needed for section/detail keynote lookup.
Option D: fiber cement panel
fiber cement panel skips the written authority, scope, price, notice, or release control needed for section/detail keynote lookup.
Memory Technique
When list clashes with identifies, let the contract speak before Exterior Envelope.
Reference Hint
Open-book path: turn to sheet A-421 in the plan packet, then use the WALL SECTION - RAINSCREEN note/table before checking P&P Commercial Construction plan-reading guidance.
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