The Art of Floor Preparation - Ensuring a Solid Foundation for Hardwood Flooring





When it comes to achieving a beautifully finished hardwood floor that will stand the test of time, the secret often lies beneath the surface. Proper floor preparation is a critical step in the hardwood flooring installation process. It not only ensures a level and stable base but also plays a pivotal role in the long-term performance of your hardwood floor. In this comprehensive guide, we will delve into the art of floor preparation, highlighting the essential steps and considerations to guarantee a flawless hardwood flooring installation.

1. Assessing the Subfloor

Before embarking on any floor preparation, a thorough assessment of the existing subfloor is essential. The subfloor acts as the foundation for your hardwood floor, and its condition will significantly impact the final result. Here are some key factors to consider:


  • Type of Subfloor: Identify the type of subfloor you have, whether it's plywood, oriented strand board (OSB), concrete, or an existing hardwood subfloor. Different types may require varying preparation techniques.
  • Moisture Content: Ensure that the subfloor's moisture content is within an acceptable range. Excessive moisture can lead to issues such as warping or cupping of the hardwood planks over time.
  • Levelness: Check for any unevenness or dips in the subfloor. A level surface is crucial for preventing gaps and ensuring the hardwood planks lay flat.


2. Subfloor Repair and Reinforcement

Depending on your subfloor's condition, repair and reinforcement may be necessary. Here are some common issues and how to address them:


  • Squeaks and Loose Fasteners: Squeaks are often caused by loose or improperly secured subfloor panels. Tighten any loose screws or nails, and consider adding additional fasteners for reinforcement.
  • Subfloor Damage: If you encounter damaged subfloor sections, such as rotted wood or large cracks in concrete, these areas should be repaired or replaced before proceeding with the installation.
  • Plywood Underlayment: In some cases, adding a layer of plywood underlayment may be necessary to provide a smooth and even surface. This is especially true for subfloors with large gaps or unevenness.


3. Moisture Control

Moisture is one of the primary enemies of hardwood flooring. To prevent moisture-related issues, it's essential to implement effective moisture control measures:


  • Vapor Barrier: In areas with high moisture levels, a vapor barrier, such as a moisture-resistant underlayment or plastic sheeting, should be installed between the subfloor and the hardwood flooring.
  • Relative Humidity: Maintain a stable indoor relative humidity level to minimize moisture fluctuations. Using a hygrometer can help you monitor humidity levels.
  • Acclimate the Hardwood: Allow the hardwood flooring to acclimate to the room's temperature and humidity for a specified period, as recommended by the manufacturer. This helps prevent the planks from expanding or contracting excessively after installation.


4. Tar Paper and Underlayment

To further protect your hardwood floor from moisture and provide a smoother surface, consider using tar paper or an underlayment:


  • Tar Paper: Tar paper is a traditional moisture barrier that is rolled out over the subfloor. It helps prevent moisture from seeping into the hardwood and provides a cushioning effect.
  • Underlayment Options: There are various underlayment materials available, such as cork or foam, that can enhance the comfort and insulation of your hardwood floor. Consult with your flooring professional to determine the best option for your specific installation.


5. Sanding and Leveling

Achieving a perfectly level surface is crucial for a seamless hardwood flooring installation. Here's how to ensure your subfloor is ready:


  • Sanding: Grind down any high spots, ridges, or imperfections in the subfloor. A floor sander or hand sander can be used for this purpose. The goal is to create a flat surface that allows the hardwood planks to lay evenly.


6. Inspecting and Cleaning

Before proceeding with the actual installation, perform a final inspection and thorough cleaning:


  • Inspect the Subfloor: Double-check that the subfloor is free from debris, dust, or any remnants of the floor preparation process. Even tiny particles can create imperfections in the hardwood installation.
  • Sweep and Vacuum: Use a broom and vacuum to remove all dust and debris from the subfloor. A clean surface is essential for a successful hardwood installation.


7. Installation

Once the floor preparation is complete, you're ready to move on to the hardwood flooring installation. Proper installation techniques are equally important, so be sure to follow the manufacturer's guidelines and consult with a professional if needed.


In conclusion, floor preparation is a fundamental aspect of hardwood flooring installation that should not be overlooked. Taking the time to assess, repair, and prepare your subfloor adequately sets the stage for a flawless and long-lasting hardwood floor. By following these steps and paying attention to moisture control, leveling, and cleanliness, you'll ensure that your hardwood flooring investment stands the test of time, providing beauty and durability for years to come.



Last Words

We know how a flooring & decking project is a mammoth undertaking for you… and can be very expensive. But if you’re not in a rush, I encourage you to shop around. Then check us out. We're a Factory Direct Store, so our prices are cheaper than any other places. We import the woods ourselves, passing along the savings to you. And we have pro installers with 15+ years of experience, at your service. Should you have any further questions, please email us at hello@redeemedflooring.com.