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Class B TradeFraming & Structuralmedium20% of exam part

Subfloor panels are installed without required edge support where the layout calls for blocking. What is the issue?

Correct Answer

C) The panel edges lack the support required by the layout.

The stated layout requires blocking at these edges. Omitting it leaves their intended support incomplete; tongue-and-groove or other support alternatives must be part of the applicable detail, not assumed.

Answer Options
A
The missing blocking automatically increases allowable floor load.
B
Finish flooring always replaces structural edge support.
C
The panel edges lack the support required by the layout.
D
Closer nailing into an unsupported edge supplies the missing framing.

Why This Is the Correct Answer

The stated layout requires blocking at these edges. Omitting it leaves their intended support incomplete; tongue-and-groove or other support alternatives must be part of the applicable detail, not assumed.

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