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How to Sand Hardwood Floors in 10 Easy Steps

Posted on June 14, 2023

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Sanding Hardwood Floors: A Comprehensive DIY Guide in 10 Steps

Sanding your hardwood floors is not a project for the faint-hearted, but it’s certainly doable if you’re prepared to dedicate some time, patience, and elbow grease. Let’s break down this process into ten easy steps that anyone can follow.

Understanding the Basics: What is Floor Sanding?

Floor sanding is a process that removes the top surface of a wooden floor by sanding it with abrasive materials. The purpose is to smooth out imperfections and prepare the floor for refinishing. While it’s possible to do this yourself, the process requires care to avoid damaging your floors. Wood Floor Sanding

The Importance of Sanding Hardwood Floors

Sanding your hardwood floors can restore their beauty, remove stains, scratches, and imperfections, and provide a fresh, clean slate for staining and sealing. The result is a beautifully refreshed floor that can significantly enhance the look of your home.

The tools and materials you’ll need

Before you start, you’ll need to gather the necessary tools and materials.
  1. Drum or orbital sander
  2. Edge Sander
  3. Sandpaper (various grits: 36-grit, 60-grit, 80-grit, and 100-grit)
  4. Protective gear (dust masks, goggles, ear protection)
  5. Vacuum cleaner or dust collection system
  6. Hammer and Nail Set
  7. Plastic Sheeting
  8. Painters’ Tape
With your tools in hand, let’s dive into the ten steps to sanding your hardwood floors.

Step 1: Preparing the Room

The first step involves preparing the room for sanding. Remove all furniture, rugs, and miscellaneous items. Use your hammer and nail set to make sure all nail heads are below the surface of the floor to prevent damaging the sander. Cover all doors, windows, vents, and electrical outlets with plastic sheeting and painters’ tape to protect them from dust.

Step 2: Choosing the Right Sander

Your choice of sander is critical. A drum sander is powerful and great for large, open areas, but it can be difficult to control for beginners. An orbital sander is easier to handle and less aggressive, making it a safer choice for DIY enthusiasts.

Step 3: Starting with Coarse-Grit Sandpaper

Start with 36-grit sandpaper for the initial sanding pass. It’s coarse enough to strip away the old finish and level out minor unevenness in the floor. Impeccable herringbone floor sanding using Bona belt sander and HEPA-filtered dust extraction. Witness the effectiveness of Effect 2200 (220V, 40Hz) in effortlessly transforming your 350x550 mm herringbone floor with flawless precision and professional finesse.

Step 4: Sanding the Floor

Always sand along the grain of the wood, not against it, to avoid scratches. Start at one end of the room and work your way towards the other end. Move the sander forward and backward, overlapping each pass for an even finish.

Step 5: Edge Sanding

The edge sander comes into play for areas where your primary sander can’t reach, such as corners and edges. Use the same grit of sandpaper as your initial pass. Mr Sander® in Rickmansworth, WD3, using a 2200 effect, 230 voltage, 50 frequency, and 200x750 mm Bona belt sander for meticulous herringbone floor restoration. Equipped with a HEPA filter dust extraction system for clean, dust-free results.

Step 6: Repeat sanding with higher-grit sandpaper.

After the initial sanding, repeat the process with medium-grit (60-grit) sandpaper. This pass will remove any scratches left by the previous sanding. Remember to also use the edge sander.

Step 7: Final Sanding Pass

The final sanding pass should be with fine-grit (80-grit or 100-grit) sandpaper. This will leave your floor smooth and ready for finishing. Again, don’t forget to take care of the edges.

Step 8: Cleaning Up

After sanding, there will be a substantial amount of dust. Vacuum the room thoroughly, making sure to get into all the nooks and crannies. Follow this with a damp mop to pick up any remaining dust.

Step 9: Checking Your Work

Before moving on to finishing, check your work. Look for any missed areas or swirl marks. If necessary, perform a quick touch-up with fine-grit sandpaper.

Step 10: Applying the Finish

Once you’re satisfied with your sanding, you can move on to staining and sealing your floors. Be sure to follow the manufacturer’s instructions for the best results.


Sanding hardwood floors can be an intense DIY project, but it’s one that can breathe new life into your home. Take your time, be prepared, and remember that the key to a great finish is in the prep work. With these ten easy steps, you’re well on your way to beautifully refinished hardwood floors.

Some Useful Links:

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