The framing takeoff shows a wall section 32 feet long and 9 feet high. What sheathing area is needed before openings?
Correct Answer
A) 288 square feet.
Wall sheathing area is length times height: 32 x 9 = 288 square feet.
Why This Is the Correct Answer
Wall sheathing area is length times height: 32 x 9 = 288 square feet.
Why the Other Options Are Wrong
Option B: 276 square feet total.
276 square feet total. is below the supported result for wall sheathing area calculation; it likely omits allowance, conversion, coverage, or final round-up.
Option C: 296 square feet total.
296 square feet total. is above the supported result for wall sheathing area calculation; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Option D: 320 square feet total.
320 square feet total. is above the supported result for wall sheathing area calculation; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Memory Technique
Measure to length, adjust for times, then let Estimating Framing set the finish line.
Reference Hint
Study anchor (closed-book): memorize Wall sheathing area calculation from California Residential Code, California Code of Regulations Title 24. / Title 24 California Residential Code wall sheathing quantity concepts; know the rule or calculation trigger without relying on exam-room lookup.
More Class B Trade Questions
A 2-inch horizontal sanitary branch must be installed at 1/4 inch fall per foot. What total fall is needed over a 24-foot run?
A 4-inch building drain is laid out with a required 1/8 inch fall per foot. What fall is required across 40 feet?
A rooftop unit schedule shows 3 tons of cooling. Using 12,000 Btu per hour per ton, what cooling capacity is this?
A pump motor is listed as 2 horsepower, and the coordination table asks for watts. Using 746 watts per horsepower, what is the approximate motor power?
A slab is 30 feet long, 18 feet wide, and 4 inches thick. How many cubic yards of concrete are needed before waste?
A footing is 80 feet long, 2 feet wide, and 12 inches deep. How many cubic yards of concrete are required before waste?
A patio subgrade must drain at 2 percent away from the building for 20 feet. What total drop is required?
A building pad needs 150 compacted cubic yards of fill. If the borrow material shrinks 10 percent after compaction, about how many loose cubic yards should be hauled in?
A roofing estimate shows 2,850 square feet of roof area. How many roofing squares is that?
A waterproof deck surface is 14 feet deep and must slope 1/4 inch per foot to the drain. What vertical fall is needed?