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How to refinish hardwood floors - Quiz
Contributed by: Black
  • 1. What is the first step in refinishing hardwood floors?
A) Apply wood filler
B) Clear the room completely
C) Rent a drum sander
D) Apply a new coat of polyurethane
  • 2. What grit sandpaper is typically used for the first sanding pass?
A) 80-grit
B) 120-grit
C) 36-40 grit
D) 220-grit
  • 3. What type of sander is typically used for large, open areas?
A) Belt sander
B) Detail sander
C) Drum sander
D) Orbital sander
  • 4. What is the purpose of using wood filler?
A) Fill nail holes and gaps
B) Protect the floor from scratches
C) Add color to the floor
D) Make the floor shiny
  • 5. After sanding, what should you do before applying stain or finish?
A) Vacuum and tack cloth the floor
B) Apply a primer
C) Let the dust settle overnight
D) Wash the floor with soap and water
  • 6. What is the purpose of using a tack cloth?
A) Remove fine dust particles
B) Clean up spills
C) Apply stain evenly
D) Buff the finish
  • 7. What is a common type of finish used for hardwood floors?
A) Polyurethane
B) Latex paint
C) Acrylic sealant
D) Wallpaper paste
  • 8. How many coats of finish are typically recommended?
A) 1
B) 10+
C) 5-6
D) 2-3
  • 9. What should you do between coats of finish?
A) Lightly sand and clean
B) Apply more finish immediately
C) Wax the floor
D) Let the finish cure for a week
  • 10. What grit sandpaper is used for between coats of finish?
A) 80 grit
B) 100 grit
C) 220-320 grit
D) 40 grit
  • 11. What is 'screening' a floor?
A) Applying a sealant
B) Removing the old finish completely
C) Coloring the floor with stain
D) Lightly sanding between coats of finish
  • 12. How long should you wait before walking on a freshly finished floor?
A) 12 hours
B) Immediately
C) 1 hour
D) At least 24 hours
  • 13. What type of finish offers the most durability?
A) Water-based polyurethane
B) Wax
C) Shellac
D) Oil-based polyurethane
  • 14. What is 'grain raising'?
A) The wood becoming lighter
B) The wood shrinking when stain is applied
C) The wood becoming darker
D) The wood fibers swelling when water-based stain/finish is applied
  • 15. How can you minimize grain raising?
A) Apply a pre-stain conditioner
B) Skip sanding
C) Use oil-based stain only
D) Apply the finish thickly
  • 16. What is the purpose of staining hardwood floors?
A) To add shine to the floor
B) To change the color of the wood
C) To make the floor smoother
D) To protect the wood from moisture
  • 17. What is the correct order of operations when staining a floor?
A) Stain, sand, finish
B) Finish, sand, stain
C) Sand, stain, finish
D) Sand, finish, stain
  • 18. What is the purpose of an edger sander?
A) Sand large, open areas
B) Apply finish
C) Remove old stain
D) Sand along edges and corners
  • 19. What safety equipment is essential when sanding?
A) Dust mask and eye protection
B) Earplugs only
C) Bare feet
D) Gloves only
  • 20. What does 'feathering' mean in the context of sanding?
A) Sanding in circular motions
B) Sanding against the grain
C) Gradually reducing the pressure on the sander at the end of a pass
D) Using a coarse grit sandpaper
  • 21. What is a potential issue with using old or improperly stored finish?
A) It will be cheaper
B) It will be more durable
C) It may not cure properly
D) It will dry faster
  • 22. How should you dispose of oily rags after applying stain or finish?
A) Soak them in water and put them in the trash
B) Lay them flat to dry completely outdoors
C) Bury them in the garden
D) Throw them in the trash immediately
  • 23. What is the main advantage of water-based polyurethane?
A) Low odor and faster drying time
B) Easier application
C) Higher durability
D) Lower cost
  • 24. What is a common mistake made when applying finish?
A) Applying too thin of a coat
B) Sanding too lightly between coats
C) Applying too thick of a coat
D) Waiting too long between coats
  • 25. What type of brush is best for applying polyurethane?
A) Sponge
B) Paint brush
C) Natural bristle or foam brush
D) Wire brush
  • 26. How can you check for flatness after sanding?
A) Feel the floor with your hands
B) Use a long straightedge
C) Look at the floor from a distance
D) Use a level
  • 27. What can cause finish to bubble?
A) Using a high-quality brush
B) Applying finish in high humidity
C) Sanding with fine grit sandpaper
D) Applying thin coats
  • 28. What is the best way to clean hardwood floors after refinishing?
A) Use bleach
B) Use vinegar
C) Use abrasive cleaners
D) Use a pH-neutral cleaner
  • 29. What is the purpose of a moisture meter when refinishing hardwood floors?
A) To measure the thickness of the wood
B) To measure the flatness of the floor
C) To measure the moisture content of the wood
D) To measure the gloss of the finish
  • 30. What is 'back-lapping' when applying finish?
A) Skipping sections of the floor
B) Applying the finish in circles
C) Using a roller instead of a brush
D) Slightly overlapping each brush stroke
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