CFI CFI Hardwood & Engineered Wood Flooring 2

Question 1

Which installation method is most commonly used for engineered wood flooring over a concrete slab?

Accepted Answer

Floating

Answer

Floating installation is commonly used for engineered wood over concrete because it allows the floor to move as a unit without being bonded to the slab.

Question 2

What does 'crowning' in hardwood flooring indicate?

Accepted Answer

The center of a board is higher than its edges due to moisture on the top surface

Answer

Crowning occurs when the center of a hardwood plank rises higher than its edges, typically caused by moisture absorbed from the top surface of the board.

Question 3

When installing hardwood flooring parallel to floor joists, CFI recommends:

Accepted Answer

Adding a layer of 3/8-inch plywood to stiffen the subfloor

Answer

Installing perpendicular to joists is ideal, but when parallel installation is required, adding 3/8-inch plywood provides needed rigidity to prevent deflection and squeaking.

Question 4

What is the purpose of staggering end joints in hardwood flooring installation?

Accepted Answer

To prevent a weak structural seam and improve aesthetics

Answer

Staggering end joints by at least 6 inches prevents weak structural seams and creates a more visually appealing random pattern.

Question 5

Which tool is used to pull the last few rows of hardwood flooring tight against the preceding row when a pneumatic nailer cannot fit?

Accepted Answer

Pull bar and rubber mallet

Answer

A pull bar hooked on the board's end combined with a rubber mallet drives the final rows tight without damaging the flooring surface.

(CFI) Certified Flooring Installer Practice Test

(CFI) Certified Flooring Installer Practice Test

CFI CFI Hardwood & Engineered Wood Flooring 2