CFI CFI Hardwood & Engineered Wood Flooring

Question 1

What is the minimum recommended acclimation period for solid hardwood flooring before installation in most US climate conditions?

Accepted Answer

3–5 days

Answer

24 hours

Answer

1 hour

Answer

10 days

Question 2

Which nail type is the industry standard for blind-nailing solid 3/4-inch hardwood flooring?

Accepted Answer

15.5-gauge cleat nail

Answer

18-gauge brad nail

Answer

16-gauge finish nail

Answer

16-gauge staple

Question 3

What expansion gap is required around the perimeter when installing solid hardwood flooring?

Accepted Answer

3/4 inch

Answer

1/16 inch

Answer

1/4 inch

Answer

1 inch

Question 4

Engineered wood flooring can typically be installed at or below grade because its cross-ply construction:

Accepted Answer

Reduces expansion and contraction from moisture

Answer

Is waterproof

Answer

Eliminates the need for acclimation

Answer

Requires no subfloor preparation

Question 5

When face-nailing the first row of solid hardwood flooring, nails should be placed:

Accepted Answer

1 inch from the wall edge through the face

Answer

Through the groove side only

Answer

At every other board only

Answer

Only at the ends of each board

Question 6

What minimum wood moisture content difference between the hardwood flooring and the subfloor does CFI recommend investigating before installation?

Accepted Answer

4%

Answer

1%

Answer

10%

Answer

15%