CFI Measurement & Layout Planning 5

Question 1

What tool is used to transfer a contoured wall or obstacle profile onto a flooring piece for a precise scribe cut?

Accepted Answer

Compass or scribing tool

Answer

A compass or scribing tool is dragged along the irregular surface to transfer the exact profile onto the flooring material for an accurate fit.

Question 2

A room measures 220 sq ft. Hardwood flooring is sold in cartons covering 20 sq ft each. How many cartons are needed with a 12% waste factor?

Accepted Answer

13 cartons

Answer

220 × 1.12 = 246.4 sq ft; 246.4 ÷ 20 = 12.32, so 13 cartons must be ordered (always round up).

Question 3

Why might an installer choose to start a plank floor installation from the center of the room rather than from one wall?

Accepted Answer

It ensures balanced border rows on opposite walls, improving appearance in symmetrical spaces

Answer

A center start creates equal border widths on opposing walls, which is preferred in formal or visually prominent rooms where symmetry is important.

Question 4

When a doorway transition between two rooms requires flooring to pass under the door jamb, what measurement determines how much material must be undercut?

Accepted Answer

The thickness of the new flooring plus the underlayment

Answer

The jamb must be undercut to a height equal to the new flooring thickness plus any underlayment thickness so the flooring slides cleanly underneath.

Question 5

An installer is working in a room where two walls are not square to each other. What is the correct method to establish a true square layout line?

Accepted Answer

Use the 3-4-5 (or 6-8-10) triangle method from a fixed point to snap a true perpendicular reference

Answer

The 3-4-5 triangle method creates a true 90-degree angle from a fixed reference point, establishing a square layout independent of the out-of-square walls.

(CFI) Certified Flooring Installer Practice Test

(CFI) Certified Flooring Installer Practice Test

CFI Measurement & Layout Planning 5