Hardwood Floors Oct/Nov 2019

CHECK YOUR KNOWLEDGE RESOURCES

1. In what state should a house, apartment, or other living area be when bringing a wood floor inside to acclimate? A. Normal living conditions B. Fans operating in the space C. Dehumidifiers operating in the space D. Between 40-60 degrees with low relative humidity 2. What is the acclimation time required for a factory- finished engineered wood floor? A. 7 days on the jobsite B. If wrapped in plastic, none C. If moisture content of wood and subfloor is the same, none D. Whatever the manufacturer states in its installation instructions 3. When the relative humidity requirements on the flooring product specifications do not coincide with the conditions of the home in which the flooring is to be installed in, what is the best option? A. Do not sell wood flooring to the client B. Educate the client as to the importance of achieving and maintaining the required conditions C. Make certain the client purchases engineered flooring from you since it is more stable than solid flooring D. None of the above 4. What must the temperature and humidity be for wood flooring to have a moisture content of 6–9 percent? A. 60–80° F (15–27° C) with 30–50 percent RH B. 70–80° F (21–27° C) with 55–60 percent RH C. At least 70° F (21° C) with 55 percent RH D. None of the above

HOW DID YOU DO? See suggested NWFA University learning path on page 90. Answer key is on page 102.

5. The amount of dimensional change in wood is determined by which of the following factors?

A. Relative humidity B. Species of wood C. Cut of wood D. All of the above

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