A porcelain tile floor measures 1,125 sf after cabinet deductions. The installer orders 12 percent extra for cuts and breakage. What order area is required?
Correct Answer
D) 1,260 sf
Order area is 1,125 x 1.12 = 1,260 sf. Other choices use a smaller allowance, add too much, or apply waste before deductions.
Why This Is the Correct Answer
Order area is 1,125 x 1.12 = 1,260 sf. Other choices use a smaller allowance, add too much, or apply waste before deductions.
Why the Other Options Are Wrong
Option A: 1,180 sf
tile flooring, choice a: 1,180 sf counts a different spacing, panel, or repeated member quantity.
Option B: 1,310 sf
tile flooring, choice c: 1,310 sf counts a different spacing, panel, or repeated member quantity.
Option C: 1,350 sf
tile flooring, choice d: 1,350 sf counts a different spacing, panel, or repeated member quantity.
Memory Technique
Say the tile flooring rule aloud as a chain; the chain ends at 1,260 sf, not an intermediate stop.
Reference Hint
Open Principles and Practices of Commercial Construction, 11th Ed., 2024; use the index entry or section for "Tile flooring quantity allowance" to confirm that Order area is 1,125 x 1.12 = 1,260 sf.
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