WLFI Tools, Equipment & Safety Standards 2

Question 1

Which piece of equipment should an inspector use to document precise gap measurements between flooring planks?

Accepted Answer

Feeler gauge or taper gauge

Answer

Feeler gauges and taper gauges allow precise measurement of gap widths between planks, providing objective data for inspection reports.

Question 2

What is the primary purpose of a thermo-hygrometer in a wood flooring inspection?

Accepted Answer

Record ambient temperature and relative humidity

Answer

A thermo-hygrometer records ambient temperature and relative humidity, which are critical because wood flooring expands and contracts in response to these conditions.

Question 3

When inspecting a glue-down installation, which tool helps determine if the correct trowel notch size was used?

Accepted Answer

Notched trowel gauge or transfer tape test

Answer

A transfer tape test (pressing tape onto the adhesive ridges) or notch gauge reveals the bead size, confirming whether the specified trowel notch was used.

Question 4

An inspector documents OSHA regulations on a jobsite. Under OSHA, what is the permissible exposure limit (PEL) for wood dust over an 8-hour TWA?

Accepted Answer

5 mg/m³

Answer

OSHA sets a PEL of 5 mg/m³ (as a total dust 8-hour TWA) for wood dust in general industry, though stricter limits apply for certain hardwoods.

Question 5

Which optical tool is commonly used by flooring inspectors to check for surface finish inconsistencies such as thin spots or missed areas?

Accepted Answer

UV/black light lamp

Answer

A UV/black light lamp reveals thin or missing finish coats on wood floors by causing the finish to fluoresce, highlighting inconsistencies invisible under normal lighting.

(WLFI) Wood and Laminate Flooring Inspector Practice Test

(WLFI) Wood and Laminate Flooring Inspector Practice Test

WLFI Tools, Equipment & Safety Standards 2