How to Choose the Right Underlayment for Your Flooring

By | September 29, 2025

How to Choose the Right Underlayment for Your Flooring

When it comes to installing new flooring, one of the most important decisions you’ll make is choosing the right underlayment. Underlayment is the material that is installed between your subfloor and your new flooring, and it plays a crucial role in ensuring the longevity and durability of your flooring. With so many options available, it can be overwhelming to decide which underlayment is right for your specific needs. In this article, we’ll break down the different types of underlayment and provide guidance on how to choose the right one for your flooring.

What is Underlayment and Why is it Important?

Underlayment is a layer of material that is installed between your subfloor and your new flooring to provide a smooth, even surface for installation. It serves several purposes, including:

  • Providing a moisture barrier to prevent water damage
  • Reducing noise and foot traffic sound
  • Preventing unevenness and irregularities in the subfloor from affecting the flooring
  • Enhancing the overall performance and durability of the flooring

Types of Underlayment

There are several types of underlayment available, each with its own unique characteristics and benefits. Some of the most common types of underlayment include:

  • Plywood Underlayment: A cost-effective option made from layers of wood veneer. Plywood underlayment is suitable for most flooring types, including hardwood, tile, and carpet.
  • Oriented Strand Board (OSB) Underlayment: Similar to plywood, but made from strands of wood pressed together. OSB underlayment is a budget-friendly option, but may not be as durable as plywood.
  • Cement-Based Underlayment: A mix of cement, sand, and other additives that is poured onto the subfloor and allowed to set. Cement-based underlayment is ideal for tile and stone flooring, as it provides a strong, stable surface.
  • Foam Underlayment: A lightweight, flexible material made from foam. Foam underlayment is suitable for laminate and engineered wood flooring, as it provides a cushioned surface and helps to reduce noise.
  • Felt Underlayment: A traditional underlayment material made from felt paper. Felt underlayment is a cost-effective option, but may not provide the same level of moisture protection as other types of underlayment.

How to Choose the Right Underlayment for Your Flooring

With so many options available, choosing the right underlayment for your flooring can seem daunting. Here are some factors to consider when making your decision:

  • Flooring Type: Different types of flooring require different types of underlayment. For example, tile and stone flooring require a cement-based underlayment, while laminate and engineered wood flooring can use a foam underlayment.
  • Subfloor Condition: The condition of your subfloor will also impact your underlayment choice. If your subfloor is uneven or has cracks, you may need a more heavy-duty underlayment, such as a cement-based underlayment.
  • Moisture Concerns: If you live in an area with high humidity or plan to install flooring in a bathroom or kitchen, you’ll want to choose an underlayment that provides a moisture barrier, such as a plywood or cement-based underlayment.
  • Noise Reduction: If you’re looking to reduce noise and foot traffic sound, consider a foam or felt underlayment.
  • Budget: Underlayment can range from very affordable to quite expensive, depending on the type and quality. Set a budget and choose an underlayment that meets your needs and fits within your budget.

Tips for Installing Underlayment

Once you’ve chosen the right underlayment for your flooring, it’s essential to install it correctly. Here are some tips to keep in mind:

  • Follow Manufacturer Instructions: Read and follow the manufacturer’s instructions for installing the underlayment.
  • Ensure a Clean and Dry Subfloor: Make sure the subfloor is clean, dry, and free of debris before installing the underlayment.
  • Use the Right Fasteners: Use the correct fasteners, such as nails or staples, to secure the underlayment to the subfloor.
  • Allow the Underlayment to Acclimate: Allow the underlayment to acclimate to the environment for at least 24 hours before installing the flooring.

Conclusion

Choosing the right underlayment for your flooring is a critical decision that can impact the performance, durability, and overall success of your flooring installation. By considering factors such as flooring type, subfloor condition, moisture concerns, noise reduction, and budget, you can select the perfect underlayment for your specific needs. Remember to follow manufacturer instructions and take the time to properly install the underlayment to ensure a smooth, successful installation. With the right underlayment, you can enjoy beautiful, long-lasting flooring that enhances the beauty and functionality of your home.