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Vinyl & Resilient Flooring Flashcards

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

Read the first 7 Vinyl & Resilient Flooring flashcards as text

  1. Which ASTM standard governs the in-situ relative humidity (RH) probe test for concrete slabs under resilient flooring?

    Answer: ASTM F2170

    ASTM F2170 covers the standard practice for determining relative humidity using in-situ probes in concrete floor slabs.

  2. When a floating LVP floor is installed in an L-shaped room, what must be placed at the inside corner where the two sections meet?

    Answer: A T-molding transition

    A T-molding transition at the inside corner of an L-shaped room allows each section to expand and contract independently without buckling.

  3. What is the recommended overlap when installing an underlayment pad beneath floating LVP?

    Answer: Butt the edges — no overlap

    Underlayment sheets should be butted edge-to-edge and taped at the seams to prevent ridges that would telegraph through the flooring.

  4. Which type of resilient flooring contains a fiberglass-reinforced core that provides superior dimensional stability?

    Answer: WPC (Wood Plastic Composite) LVP

    WPC luxury vinyl plank includes a foamed wood-plastic composite core with fiberglass reinforcement, making it highly stable against temperature and humidity changes.

  5. What is the standard maximum moisture vapor emission rate (MVER) allowed by most resilient flooring adhesive manufacturers for concrete slabs?

    Answer: 5 lbs/1,000 sq ft/24 hr

    The industry-standard maximum MVER for most resilient adhesive systems is 5 lbs per 1,000 sq ft per 24 hours per ASTM F1869.

  6. When installing sheet vinyl with a full-spread adhesive, a 75 lb (or 100 lb) roller is used primarily to:

    Answer: Ensure full contact and eliminate air pockets

    Rolling with a floor roller ensures full transfer between the adhesive and the vinyl backing by eliminating trapped air bubbles and voids.

  7. Which type of seam is recommended for sheet vinyl installed in a high-traffic commercial kitchen?

    Answer: Heat-welded seam

    Heat-welded seams fuse the vinyl into a monolithic surface that resists moisture infiltration, grease, and the heavy cleaning common in commercial kitchens.