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How To

How to Avoid Having Circles From Sanding

Contributor
By Cameron Easey
eHow Contributing Writer
(0 Ratings)

Refinishing hardwood floors involves running a large disk sander over the floor to remove any old finish. One issue that can occur when sanding hardwood floors is the circles or swirl marks that can appear from the use of the disk sander. These sanding circles will need to be removed before applying new finish to the floor. Your can remove sanding circles in your hardwood floors by trying different sanding techniques.

Difficulty: Moderate
Instructions

Things You'll Need:

  • Drum floor sander
  • Sanding disks
  • Vacuum
  • Sandpaper
  1. Step 1

    Attach a heavy grit sandpaper to the bottom of the drum floor sander. The heavy grit sandpaper is used to remove the old finish from the floor.

  2. Step 2

    Choose a section of floor to start on and then turn on the sander. Hold the handle firmly to prevent the sander from pulling away.

  3. Step 3

    Run the sander along the grain of the wood up and down the length of the floor. Do not leave the sander in one spot because you can gouge or cut into the floor.

  4. Step 4

    Make an initial pass to remove the majority of the finish and then use a vacuum to clean up the wood dust.

  5. Step 5

    Examine the floor to see how it looks and if there are sanding circles left from the sander.

  6. Step 6

    Attach a finer grit sandpaper to the bottom of the sander and go over the floor again. A second pass with a finer grit sandpaper will smooth out any rough sanding circles from the initial pass.

  7. Step 7

    Clean up the wood dust from the floor using the vacuum and examine the floor for any sanding circles that remain.

  8. Step 8

    Attach a very fine sandpaper to the bottom of the sander and make a final pass over the floor. The final pass will remove or blend together any sanding circles that are left.

Tips & Warnings
  • You can rent a drum floor sander at your local home improvement store.
  • Sanding circles typically occur when the sander is left in one location for too long.
  • Blending sanded areas together is a process known as feathering.
  • Follow the directions for the sander to make any adjustments that may be needed.
  • The sander will cut into the floor if the cutting depth on the sander is set too low.

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