CTI Tile Installation Techniques

Question 1

What is the ideal surface preparation before installing tiles?

Accepted Answer

Clean, dry, and level surface

Answer

Leave debris to add texture.

Answer

Roughen the surface with sand.

Answer

Wet the surface with water.

Question 2

Why is proper thinset application important?

Accepted Answer

To ensure tile bonding and stability

Answer

To make cleanup easier.

Answer

To prevent waterproofing.

Answer

To reduce tile height.

Question 3

Which tool is used to create consistent spacing between tiles?

Accepted Answer

Tile spacer

Answer

Notched trowel

Answer

Rubber float

Answer

Margin trowel

Question 4

What is the recommended trowel size based on tile size?

Accepted Answer

Larger tiles need larger notches

Answer

All tile sizes use the same trowel.

Answer

Smaller tiles need more thinset.

Answer

Use the smallest trowel possible.

Question 5

Why is back buttering recommended for large format tiles?

Accepted Answer

It ensures full coverage and prevents lippage

Answer

It increases adhesive waste.

Answer

It creates texture only.

Answer

It is only used for walls.

Question 6

What causes tile lippage?

Accepted Answer

Uneven substrate or inconsistent pressure during installation

Answer

Proper alignment of tiles.

Answer

Consistent thinset application.

Answer

Use of tile spacers.

Question 7

When should expansion joints be included in a tile installation?

Accepted Answer

Every 8 to 12 feet or near changes in plane

Answer

Every tile should have one.

Answer

Only in exterior tile installations.

Answer

They are not necessary.

Question 8

Why is proper grout curing important?

Accepted Answer

It enhances color consistency and strength

Answer

It makes cleaning easier.

Answer

It helps thinset dry faster.

Answer

It increases lippage.

Question 9

What is the purpose of a waterproofing membrane?

Accepted Answer

To prevent water penetration and mold growth

Answer

To help with tile alignment.

Answer

To increase the drying time.

Answer

To remove dust from the surface.