CFI Estimating, Layout & Planning 3

Question 1

When estimating tile with a large pattern repeat (e.g., 24-inch repeat), what must be added to the material calculation?

Accepted Answer

Additional material to account for aligning the pattern at seams and doorways

Answer

An extra box for color variation

Answer

A 2% adhesive waste factor

Answer

Extra grout for wider joints

Question 2

A chalk line is snapped and then a second line is snapped at a 90° angle to it. What tool is most reliably used to verify the angle between the two lines is truly perpendicular?

Accepted Answer

Tape measure using the 3-4-5 method

Answer

Level

Answer

Speed square held against the wall

Answer

Plumb bob

Question 3

For LVP/LVT floating floor installation, what is the typical minimum end-to-end stagger between planks in adjacent rows recommended by most manufacturers?

Accepted Answer

6 inches

Answer

1 inch

Answer

4 inches

Answer

12 inches

Question 4

When planning hardwood plank direction in a long, narrow hallway, in which direction should the planks generally run?

Accepted Answer

Parallel to the longest wall (length of the hall) to elongate the space visually

Answer

Perpendicular to the longest wall to widen the appearance

Answer

At a 45-degree diagonal for visual interest

Answer

In the direction of the subfloor joists only

Question 5

A 'story pole' (or story board) is used during flooring layout planning primarily to:

Accepted Answer

Mark out tile spacing along a wall or step to preview grout joint placement and border tile sizes

Answer

Record wall heights for baseboard ordering

Answer

Document installation sequence for warranty purposes

Answer

Measure subfloor flatness tolerances

Question 6

When planning flooring layout in a room with an inward-swinging door, what clearance must be maintained under the door after the new flooring is installed?

Accepted Answer

Sufficient clearance so the door swings freely without dragging on the finished floor surface

Answer

No clearance is needed—doors are trimmed after installation

Answer

At least 1 inch of clearance above the finished floor

Answer

1/2 inch gap equal to the expansion space required

Question 7

What is the purpose of establishing a 'pyramid' or 'staircase' layout sequence when installing large-format tile?

Accepted Answer

To maintain grout joint alignment across the field by working outward from a center point in an organized sequence

Answer

To create a decorative diagonal pattern automatically

Answer

To speed up adhesive application in high-temperature conditions

Answer

To reduce the number of full tiles needed in the center field