Do I Need Underlayment for Vinyl Plank Flooring in the Basement?

Do I Need Underlayment for Vinyl Plank Flooring in the Basement?

Vinyl plank flooring has been gaining popularity for its affordability, durability, and ease of installation.

More homeowners are choosing this versatile material for its ability to mimic the look of hardwoods and ceramics without their associated costs or maintenance needs.

However, when considering vinyl plank flooring installation in a basement, specific conditions come into play.

Basements, inherently prone to moisture, present a unique set of challenges that demand careful consideration.

This blog post addresses the question: Is underlayment necessary for vinyl plank flooring in the basement? Let’s dive in to find out.

Factors Influencing the Need for Underlayment

Subfloor Conditions

I remember the first time I installed vinyl plank flooring in my basement. The state of my subfloor was the first thing I had to consider.

Basement subfloors can be a mixed bag of concrete, plywood, or even dirt in some old houses. If you have a smooth and level concrete subfloor, you may think you’re good to go.

But beware! Concrete can be notoriously cold, brutal, and unforgiving to walk on. An underlayment can provide that bit of cushioning that makes a world of difference to the feel underfoot.

Moisture Levels

My basement, like many others, had some moisture issues. Despite how well-sealed your basement might be, it’s practically impossible to avoid some degree of moisture.

It’s just the nature of basements. Water can seep through cracks or rise from the ground, and without a moisture-resistant underlayment, your beautiful vinyl planks could warp or even become a breeding ground for mold.

Trust me, dealing with mold isn’t something you want on your to-do list.

Temperature Fluctuations

Having lived in a region that experiences all four seasons, I can tell you basements can get pretty cold during winter.

And during summer, the basement’s coolness is its saving grace.

These temperature fluctuations can cause the flooring to expand and contract, leading to gaps or buckling over time.

Incorporating an underlayment can provide a thermal barrier, helping to stabilize the floor and maintain a consistent temperature underfoot.

It’s something I wish I had known before my first DIY flooring project.

How Underlayment Enhances the Performance

Underlayment isn’t just about protection and comfort. It also enhances the performance of vinyl plank flooring.

I realized this during the installation of my second floor, where I smartly used underlayment.

It improved the thermal properties of my floor, making the basement feel warmer.

Additionally, it smoothed out minor subfloor imperfections, ensuring a level surface for the vinyl planks.

Not to forget, it significantly reduced the noise when walking across the floor, a benefit that anyone living in a bustling household can appreciate.

Pros and Cons of Using Underlayment

Benefits of using underlayment

Trust me; the benefits of using underlayment for your vinyl plank flooring significantly outweigh the minor inconveniences. Here’s why:

1. Improved comfort

The underlayment provides an extra cushioning layer, making the flooring feel softer and more comfortable underfoot.

I remember walking into my basement barefoot after installing the underlayment. What a difference it made!

The chill was gone, and the floor felt evenly cool, not cold.

2. Excellent sound insulation

One of the most significant advantages of using underlayment is noise reduction.

After laying down the underlayment, walking across the floor no longer created that hollow, echoey sound.

Do you live in a busy household with kids running around? You’ll appreciate this benefit.

3. Enhanced thermal properties

This was a game-changer for me. The underlayment improved the thermal properties of my basement floor, preventing it from getting too cold during the winter and too hot during the summer.

Drawbacks of underlayment

Despite these advantages, there are a few potential drawbacks to be aware of:

1. Increased cost

Underlayment isn’t free, and it will add to the total cost of your flooring project.

However, considering its benefits, I consider it a worthwhile investment.

2. Installation complexity:

Installing an underlayment requires additional skills and time.

But with some practice and patience, you’ll get the hang of it.

In my case, I found several helpful YouTube tutorials.

In sum, while there are a few drawbacks to using underlayment, I believe the benefits make it a no-brainer. I hope my experience will guide you to make an informed decision for your flooring project.

Different Types of Underlayment

Let’s dive into the world of underlayment materials. Trust me, understanding their differences is key to choosing the right one for your needs.

Foam Underlayment

Foam underlayment is the most common type I initially considered for my basement.

It’s lightweight, easy to install, and affordable. The softness of foam underlayment gives a plush feel, making it great for areas where you’ll be standing for extended periods.

However, it’s not the most durable option and can compress over time, losing some cushioning benefits.

Cork Underlayment

Next, let’s talk about cork. When researching underlayment options, I was drawn to cork because of its eco-friendly nature and natural insulation properties.

It offers excellent noise reduction and is naturally resistant to mold and mildew—a plus for basements.

On the downside, cork is more expensive and slightly trickier to install than foam.

It’s a bit of a commitment, but I think it’s a great choice if you want a long-lasting, environmentally friendly-option.

Rubber Underlayment

Lastly, I discovered rubber underlayment in my search. This is the heavy duty of underlayments. It provides superior sound insulation and durability.

It’s also moisture-resistant, a significant advantage in a basement setting. The downside? It’s the most expensive of the three.

Based on my experience and the specific needs of a basement, I’d recommend either cork or rubber underlayment.

Both materials offer fantastic moisture resistance and excellent longevity. If budget is a crucial factor, foam is still a good option, remember it won’t provide the same durability as cork or rubber.

Ultimately, the choice depends on your specific needs and budget.

Installation Considerations

Installing Underlayment with Vinyl Plank Flooring

  1. Preparation: First and foremost, clean the subfloor thoroughly, removing any dust, debris, or protruding nails. I learned from experience that a smooth surface is essential for a perfect finish.
  2. Lay Down the Underlayment: Next, roll out your chosen underlayment across the room. I recommend starting from one corner and working your way across. Make sure it lies flat with no bumps or wrinkles.
  3. Trim Excess Material: Use a utility knife to cut off excess underlayment along the edges. I remember how satisfying it felt when I made the final trim in my basement – a sure sign of progress!
  4. Install Vinyl Planks: Now, you can install the vinyl planks. Remember to follow the manufacturer’s instructions closely. I ended up re-doing an entire section because I initially overlooked this step.
  5. Finishing Touch: Finally, install baseboards or quarter rounds at the edges to secure the plank flooring and provide a polished look.

Maintenance and Longevity

Maintaining the underlayment is just as important as caring for your vinyl planks.

You can’t see it daily, but not giving it the attention it deserves can lead to issues down the line.

I learned this the hard way when I noticed some of my planks lifting at the edges just six months after installation.

The culprit? Neglected underlayment. Here’s what you can do to prevent such problems:

  1. Keep it Dry: Make sure your underlayment stays dry, not just during installation but also afterward. Avoid wet mopping your vinyl plank flooring because excessive moisture can seep through and damage the underlayment. I use a damp mop or a specialized vinyl floor cleaner for routine cleaning.
  2. Monitor for Damage: Regularly check for signs of damage to your floor. If you notice any vinyl planks lifting or bulging, it might be a sign of damage to the underlayment beneath. Don’t wait to address the issue – I waited, which led to a few more planks bubbling up. Seeking professional advice at the earliest could save considerable time and money in the long run.
  3. Prevent Heavy Pressure: Avoid placing extremely heavy furniture or appliances on your vinyl plank flooring. This can cause pressure on the underlayment and lead to uneven surfaces. An easy tip that saved my living room floor was using furniture pads under heavy items. This distributes the weight more evenly, helping to protect the underlayment and, in turn, extend the life of your floor.


Hi! I’m Kobby, one of the co-owners of and the newest house owner in town. I’m a huge fan of most things natural. Over here on this site, I'm happy to share all the exciting hacks, tricks, and tips I have learned and continue to learn each day about taking care of natural stones.

Recent Posts