Hardwood Floors February/March 2019

CHECK YOUR KNOWLEDGE RESOURCES

1. When installing a plywood subfloor, what is the appropriate expansion space between panels?

A. 1/8" B. 1/4" C. 1/2" D. 3/4"

2. When installing a plywood subfloor, what is the appropriate expansion space around vertical obstructions?

A. 1/8" B. 1/4" C. 1/2" D. 3/4"

3. What are the appropriate installation methods when installing wood subfloors over concrete? A. Nail-down and glue-down B. Glue-down, float, and screeds C. Nail-down, glue-down, and screeds D. All of the above 4. When nailing down a subfloor over concrete, which would NOT be an appropriate fastener? A. Powder-driven pins B. Pneumatic-driven nails C. Concrete screws D. Cleats 5. What trowel notch is appropriate when gluing down wood subfloors over concrete? A. V-notch B. U-notch C. Square-notch D. Whatever the manufacturer recommends

HOW DID YOU DO? See suggested NWFA University

learning path on page 78. Answer key is on page 94.

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