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Class B TradeFraming & Structuralmedium20% of exam part

A roof plane is 26 feet by 18 feet. How many square feet of roof sheathing are needed before waste?

Correct Answer

A) 468 square feet.

The roof plane area is 26 x 18 = 468 square feet.

Answer Options
A
468 square feet.
B
432 square feet.
C
486 square feet.
D
504 square feet.

Why This Is the Correct Answer

The roof plane area is 26 x 18 = 468 square feet.

Why the Other Options Are Wrong

Option B: 432 square feet.

432 square feet. is below the supported result for roof sheathing quantity; it likely omits allowance, conversion, coverage, or final round-up.

Option C: 486 square feet.

486 square feet. is above the supported result for roof sheathing quantity; it likely double-counts allowance, uses the wrong unit, or rounds too early.

Option D: 504 square feet.

504 square feet. is above the supported result for roof sheathing quantity; it likely double-counts allowance, uses the wrong unit, or rounds too early.

Memory Technique

Measure to plane, adjust for area, then let Estimating Framed set the finish line.

Reference Hint

Study anchor (closed-book): memorize Roof sheathing quantity from California Building Code, California Code of Regulations Title 24. / Title 24 California Building Code roof sheathing quantity concepts; know the rule or calculation trigger without relying on exam-room lookup.

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