Certified Carpet Installer Level I Exam

Certified Carpet Installer Level I Exam Practice Questions And Correct Answers (Verified Answers) Plus Rationales 2026 Q&A | Instant Download Pdf

• Which type of carpet backing is most commonly used in residential

installations?

• Jute
• Rubber
• Action backing
• Vinyl

Rationale: Action backing is widely used in residential carpets due to its

durability and flexibility.

• What is the standard width of most commercial carpet rolls?
• 10 feet
• 12 feet
• 15 feet 1 / 4

• 6 feet

Rationale: 12 feet is the most common width for commercial carpet rolls,

allowing efficient coverage of standard spaces.

• Which tool is used to stretch carpet during installation?
• Carpet knife
• Power stretcher
• Knee kicker
• Seam roller

Rationale: A power stretcher provides the leverage necessary to stretch

carpet across large areas and avoid wrinkles.

• What is the primary purpose of a carpet pad?
• Decorative appearance
• Reduce seams
• Cushioning and extending carpet life
• Prevent staining

Rationale: Carpet padding provides cushioning, reduces wear, and

improves comfort and insulation.

• Which seam method produces the most nearly invisible seam in

residential carpet?

• Overcast stitch
• Hot-melt adhesive
• Iron-on tape with seaming iron
• Butt seam 2 / 4

Rationale: Iron-on tape with a seaming iron fuses carpet fibers and backing

together, creating a nearly invisible seam.

• What is the recommended pile direction when installing carpet in a

room with one light source?

• Parallel to the window
• Toward the primary light source
• Away from the primary light source
• Diagonal across the room

Rationale: Installing carpet toward the primary light source enhances the

appearance and reduces shading.

• Which type of carpet fiber is known for its high resilience and stain

resistance?

• Wool
• Cotton
• Nylon
• Polyester

Rationale: Nylon fibers are highly durable, resilient, and resistant to stains,

making them ideal for high-traffic areas.

• What is the function of a tackless strip?
• Hold the carpet pad in place
• Secure the carpet edges along walls
• Attach seams
• Smooth out wrinkles 3 / 4

Rationale: Tackless strips anchor the carpet edges along walls and

baseboards to hold it in place.

• What is the standard minimum carpet pad thickness for residential

installations?

• 1/4 inch
• 1/2 inch
• 3/4 inch
• 1 inch

Rationale: A 1/2-inch pad is standard to provide comfort and durability

without affecting carpet appearance.

• Which tool is primarily used to trim carpet edges along walls?
• Seam roller
• Knee kicker
• Carpet knife
• Power stretcher

Rationale: A carpet knife allows precise trimming along walls and corners

for a clean fit.

• What is the primary cause of carpet wrinkling after installation?
• Excessive vacuuming
• Improper stretching
• High humidity
• Seams not aligned
• / 4