Floor Polishing Service
Floors Restored
Residential Sanding Service
27 Years Experience
Floor Renovation Service
Wood Flooring Association Certified

Wood Sanding Floors: Process and Importance of Proper Preparation

Posted on May 19, 2023


Essential Guide to Wood Floor Sanding and the Importance of Proper Preparation

While we often admire the timeless charm and elegance of wooden floors, maintaining them is a task that requires a substantial amount of work. One of the key steps in preserving the splendour of wooden floors and extending their longevity is sanding. This blog post aims to discuss the intricate process of wood floor sanding and why a lack of preparation can hinder you from achieving the desired results. Mr Sander® skillfully sanding a herringbone floor in Grove Park, SE12 using a powerful Effect 2200 Voltage 230 Frequency 50 Size 200x750 mm Bona belt sander. The dust extraction system with a HEPA filter ensures a clean and efficient result. Witness the expertise and attention to detail in action.

Understanding wood floor sanding

Wood floor sanding is a process that involves removing the top surfaces of a wooden floor by gradually scraping them off or wearing them away using sandpaper attached to a high-speed rotating drum, belt, or disc sander. Sanding your wooden floor can help eradicate old stains, smooth rough areas, level uneven parts, and prepare the floor for refinishing. It’s an essential step in restoring the natural beauty of your wood floor and making it look as good as new.

The process of wood floor sanding

The wood floor sanding process is a methodical one involving several steps. Each step needs to be executed accurately to ensure the overall success of the task. Let’s dive into these steps in detail.
  1. Assessment: Before sanding, assess the condition of your wooden floor. Check for protruding nails, deep stains, scratches, dents, or any signs of water damage. Also note the type of wood and the thickness of the surface. This will help you determine the right sandpaper grit to use and the amount of sanding required.
  2. Preparation: Remove all furniture, rugs, and other items from the room. Seal doorways, vents, and windows with plastic sheets to prevent dust from spreading. Use a vacuum or broom to clean the floor.
  3. Sanding: Depending on the floor condition, start with coarse-grit sandpaper to remove the old finish and any surface blemishes. Move the sander across the floor, going with the grain to prevent scratches. Ensure that you sand evenly across the entire floor.
  4. Intermediate Sanding: After the initial sanding, vacuum or sweep the floor to remove dust. Then perform an intermediate sanding using medium-grit sandpaper. This will smooth out any roughness left by the coarse-grit sandpaper.
  5. Final Sanding: Lastly, sand the floor with fine-grit sandpaper. This will give your floor a smooth and polished look.
  6. Cleaning: Clean the floor thoroughly to remove dust and debris. Vacuum and wipe down the floor using a damp cloth or mop. Let it dry completely before proceeding with the refinishing.

The Importance of Proper Preparation in Floor Sanding

The preparation phase plays a critical role in the wood floor sanding process. Neglecting this can lead to a host of problems, affecting the quality of your results. Here’s why preparation is so crucial:
  1. Preventing Damage: During preparation, you identify and fix potential problems like protruding nails or loose floorboards. If these issues are ignored, they can cause damage during sanding.
  2. Achieving Smooth Results: Properly prepped floors lead to smoother sanding results. Cleaning the floor before sanding ensures that no debris will scratch or gouge the floor during the process.
  3. Safety: Preparing your workspace by sealing vents, doorways, and windows keeps the dust confined to the work area, protecting the rest of your house and your health.
  4. Ensuring Proper Adhesion: Cleaning and prepping the floor before sanding ensures that the new finish will adhere properly. Any residue or debris left on the floor can prevent the finish from bonding correctly, resulting in an uneven and unattractive finish.
  5. Efficiency: By prepping your workspace properly, you ensure that the sanding process goes smoothly and efficiently. You avoid unnecessary interruptions and potential damage to your tools.
  6. Professional Results: A well-prepared floor is the foundation for a successful sanding job. It increases your chances of achieving professional-looking results.

The Consequences of Lack of Preparation in Floor Sanding

While it might be tempting to jump right into sanding without much preparation, doing so can lead to various problems. These can include:
  1. Uneven Sanding: If the floor isn’t properly cleaned and prepared, debris and dust can interfere with the sanding process, leading to uneven results.
  2. Damage to the Floor: Overlooking protruding nails or loose floorboards can lead to severe damage during the sanding process. They can gouge the floor or damage the sanding equipment.
  3. Health Risks: If proper safety measures aren’t taken, the dust generated from sanding can spread throughout the house, causing potential health risks.
  4. Poor Finish Adhesion: Any residue left on the floor can prevent the finish from adhering properly, leading to an uneven and blotchy appearance.
  5. Increased Costs: Lack of preparation can lead to mistakes that might require professional intervention to fix, leading to increased costs.

Final Thoughts

The process of wood floor sanding is an art that requires patience, skill, and a significant amount of preparation. The preparation phase, though often overlooked, is a crucial step that lays the foundation for a successful sanding job. Whether you’re a DIY enthusiast taking on a floor restoration project or a professional providing floor sanding services, understanding and implementing the correct preparation steps can make a world of difference in the results. By ensuring the floor and workspace are adequately prepared before starting the sanding process, you can prevent potential damage, ensure a smooth and efficient process, and increase your chances of achieving professional, high-quality results. After all, a beautifully sanded and refinished wood floor not only enhances the aesthetic appeal of your space but also increases its value. So, take the time to prepare properly, and your wooden floor will thank you with years of beauty and durability.

Some Useful Links:

More from our Blog:

Premium Wood Floor Sanding by Mr Sander® London How to Make Your Small Wood Floor Look Good as New Wooden Stairs and Banisters Sanding: Mr Sander®, London Matching Wood Floor Restoration to Your Personality: An In-depth Guide  
Four cheerful customers holding up signs with the Mr. Sander logo and the text 'We give Mr. Sander 5 stars', showing their satisfaction with the service provided.
Floor Sanding Service


We provide virtually dust-free sanding with our continuous belt machinery with mobile extraction units, giving you a safer environment for your family.

Floor Oiling Service


This organic finish not only adds beauty to your home but also has exceptional water-repellent characteristics, making it easier to clean and maintain.

Floor Waxing Service


This natural floor finish offers the softest and most mellow appearance – and leaves your floor able to breath.

Floor Buffing Service


Using soft buffing machines (and hand-polishing where required) will bring a wonderful sheen to your newly-finished floor.

Wood Floor Repairs


We offer a full assessment of your wooden floors to determine what repairs are needed to provide the perfect working surface for the later stages of sanding, staining and sealing. 

Floor Restoration Service


We offer a comprehensive restoration process designed to address floors that are improperly fitted or damaged over time through wear and tear.

Request a fixed price quote for your wood floor restoration now

Simply enter your postcode below to get started.