Practice Test Geeks(CLC) Certified Lead Carpenter Practice Test
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Material Takeoff & Ordering Flashcards

7 cards from real CLC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Material Takeoff & Ordering flashcards as text

  1. When calculating the number of 4x8 sheets of plywood needed for a 480 sq ft subfloor, how many sheets are required with no waste factor?

    Answer: 15 sheets

    Each 4x8 sheet covers 32 sq ft; 480 ÷ 32 = 15 sheets.

  2. A lead carpenter is ordering crown molding for a room with perimeter of 56 LF. The room has one 8-ft doorway with no molding. With a 10% waste factor, how many linear feet should be ordered?

    Answer: 52.8 LF

    (56 - 8) × 1.10 = 48 × 1.10 = 52.8 LF.

  3. Which document is the primary source used to perform an accurate material takeoff?

    Answer: Architect's construction drawings and specifications

    Construction drawings and specifications provide dimensions and material requirements needed for takeoff.

  4. When ordering dimensional lumber, what does 'board foot' measure?

    Answer: Volume equal to 1 inch × 12 inches × 12 inches

    A board foot equals 1 inch thick × 12 inches wide × 12 inches long (144 cubic inches).

  5. A carpenter needs 2x10 joists at 16" OC spanning 14 feet across a 20-foot-wide deck. How many joists are needed (including both end joists)?

    Answer: 16

    20 ft ÷ 1.333 ft (16" OC) = 15 spaces + 1 = 16 joists including both ends.

  6. What is the purpose of adding a waste factor to a material takeoff?

    Answer: To account for cuts, defects, and installation losses

    Waste factors cover material lost to cuts, damaged pieces, and installation inefficiencies.

  7. When performing a takeoff for roof shingles, which unit of measurement is typically used to order materials?

    Answer: Squares (100 sq ft)

    Roofing materials are ordered by the 'square,' which equals 100 square feet of coverage.