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Flooring Materials & Installation Techniques 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 Flooring Materials & Installation Techniques flashcards as text
  1. What is the minimum recommended acclimation time for solid hardwood flooring in most residential installations?

    Answer: 3–5 days

    Solid hardwood should acclimate for at least 3–5 days in the installation environment to equalize moisture content.

  2. Which underlayment type provides the best sound reduction for floating LVP installations over concrete?

    Answer: Cork or foam composite with IIC rating

    Cork or foam composite underlayments with a high IIC (Impact Insulation Class) rating provide the best sound attenuation for floating LVP over concrete.

  3. When installing ceramic tile using the thin-set method, the back-buttering technique is used to:

    Answer: Ensure full coverage on large-format or porous tiles

    Back-buttering applies thin-set directly to the tile back to achieve the required 95% mortar coverage for wet areas or large-format tiles.

  4. The maximum allowable moisture vapor emission rate (MVER) for most resilient flooring adhesive installations over concrete is:

    Answer: 3 lbs/1,000 sq ft/24 hrs

    Most resilient flooring adhesive manufacturers specify a maximum MVER of 3 lbs per 1,000 sq ft per 24 hours as measured by the calcium chloride test.

  5. Which type of trowel notch produces the highest ridges for maximum adhesive coverage with sheet vinyl?

    Answer: Square-notch

    Square-notch trowels produce the fullest, highest ridges, delivering maximum adhesive coverage for sheet vinyl and resilient tile.

  6. What does 'telegraphing' mean in the context of resilient flooring installation?

    Answer: Subfloor imperfections showing through the finished surface

    Telegraphing occurs when subfloor irregularities, fastener heads, or old adhesive ridges transfer their pattern through the resilient floor surface.

  7. When installing bamboo flooring, which installation method is NOT recommended over a radiant heat system?

    Answer: Floating

    Floating bamboo over radiant heat is not recommended because the floating gap allows heat to build unevenly, causing excessive expansion and movement.