Practice Test GeeksC33 - C-33 California Painting Contractor License Practice Test
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Wallcovering Installation and Preparation Flashcards

7 cards from real C33 practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Wallcovering Installation and Preparation flashcards as text

  1. What is the recommended minimum moisture content level for drywall before hanging wallcovering?

    Answer: Below 4%

    Drywall moisture content should be below 4% before wallcovering installation to prevent adhesion failure and mold growth.

  2. Which type of wallcovering is rated Type II and is most suitable for high-traffic commercial applications?

    Answer: Paper-backed vinyl weighing at least 13 oz per linear yard

    Type II wallcovering is paper- or fabric-backed vinyl weighing at least 13 oz per linear yard and is rated for high-traffic commercial use.

  3. Before hanging wallcovering on new drywall, what surface treatment is most commonly required?

    Answer: Apply an acrylic primer-sealer or sizing

    An acrylic primer-sealer or sizing is applied to new drywall to prevent the paper face from tearing when wallcovering is removed later.

  4. When measuring and cutting wallcovering for a room, how much extra length is typically added to each strip for trimming?

    Answer: 4 to 6 inches total (2–3 inches top and bottom)

    Adding 4–6 inches (2–3 inches per end) allows for pattern alignment, leveling adjustments, and trimming at ceiling and baseboard.

  5. Which adhesive type is most appropriate for hanging heavyweight commercial vinyl wallcovering?

    Answer: Heavy-duty clear or universal vinyl adhesive

    Heavy-duty clear or universal vinyl adhesive provides the tack and open time needed to support the weight of commercial vinyl wallcovering.

  6. When hanging the first strip of wallcovering in a room, what tool is used to ensure the strip is hung perfectly vertical?

    Answer: Plumb bob or level

    A plumb bob or spirit level is used to strike a true vertical reference line on the wall before hanging the first strip.

  7. What is the primary purpose of 'booking' a pasted wallcovering strip?

    Answer: To allow the adhesive to activate and the material to relax before hanging

    Booking lets the adhesive hydrate and the wallcovering expand to its final dimensions, preventing bubbles and seam gaps after installation.