Do you need anything under vinyl flooring?

Author: Marquis Harber  |  Last update: Wednesday, July 1, 2026

Most LVP flooring is durable and does a good job defending against scratches, dents, and stains. To get the most out of your LVP you will want to consider what is underneath the flooring. An underlayment provides the proper support to make sure your LVP makes it the long haul.

Should I put something under my vinyl flooring?

Vinyl and PVC do not need moisture protection. And you shouldn't use padding to even out your subfloor as that will allow the floor seams to move more, you should level mechanically or with a compound.

What should I put down before laying vinyl flooring?

The most used types of underlayment for vinyl are cork, foam, felt, rubber, plywood, and OSB.
  1. Cork. When it comes to reducing noise in your home, cork is an excellent option. ...
  2. Foam. ...
  3. Felt. ...
  4. Particle Board. ...
  5. Rubber. ...
  6. Plywood and OSB.

Can you put vinyl flooring directly on subfloor?

Yes, you can install vinyl flooring over a wood subfloor, provided the subfloor is clean, dry, and level. It is important to ensure that the wood subfloor is properly prepared and free of any moisture issues. A moisture barrier may be necessary to protect the vinyl from potential moisture problems.

What happens if you don't put underlayment under vinyl plank flooring?

Under vinyl flooring, underlayment is essential for moisture control, sound deadening, warmth, and minimizing floor deflection.

Why You Need Underlayment For Your Floors

Can you lay vinyl flooring without underlay?

You might be surprised to learn that – so long as the surface you're installing it on is smooth, clean and level – you don't need an underlay for vinyl sheet flooring (also known as linoleum or lino).

What is the best backing for vinyl plank flooring?

Choosing a vinyl flooring with rubber backing is ideal. Rubber features several properties that make it a quality choice for a long-lasting floor. Rubber is a strong option that can withstand heavy loads. It also offers valuable shock absorption that can help to make your floor more comfortable to walk on.

What goes between subfloor and vinyl?

Underlayment sits between the subfloor and the finished floor covering. They can be made from a variety of materials like foam, cork, felt, and rubber.

Do I need a moisture barrier under vinyl plank flooring?

Typically, moisture barriers are needed when vinyl flooring is installed on top of a concrete subfloor or crawl space. Please refer to the manufacturer guidelines, installation instructions, and warranty information for more details.

How do you prep a floor for vinyl planks?

Prep your subfloor so it's clean, dry and level within 3/16-inch change per 10 feet. Use a self-leveler on low spots and/or sand high spots of wood or concrete. Don't sand old vinyl flooring as it may contain asbestos.

Can a beginner install vinyl plank flooring?

This project can be done in as little as an afternoon and is easy enough that even first-time home renovators can tackle it with relative ease. In this article, we'll take a look at how to install vinyl plank flooring in your house, step by step.

What is the best underlayment for vinyl flooring?

Felt underlayment is a popular choice for vinyl plank flooring due to its affordability and ease of installation. It is made from recycled materials and offers excellent noise reduction properties. Felt underlayment also provides a slight cushioning effect, making your floors more comfortable underfoot.

How long does it take to install 500 sq ft of vinyl plank flooring?

How long does it take to install 500 square feet of vinyl plank flooring? It takes a professional crew about half a day to a full day to install 500 square feet of vinyl plank flooring. For a do-it-yourselfer, it may take a day or two to install 500 square feet of vinyl plank flooring.

What does vinyl flooring sit on?

vinyl plank flooring in your kitchen or bedroom. You can easily install it over any rigid and level surface, including concrete, wood or even up to one layer of other vinyl.

Why does my LVP floor crackle when I walk on it?

When you walk on tile, you are pushing it down into the adhesive, and if the tile is not conformed, you are pushing it into contact with the adhesive which causes the clicking/crackling sound. To fix this, you can usually heat the area for at least a day, and then roll the tile using a 100-pound roller.

How do I know if I need underlayment for vinyl flooring?

If you're laying the LVP over an existing cushion-backed vinyl floor or a below-grade tile floor, you won't need to use an underlayment. However, you'll want to use one in every other application, including covering existing hardwood floors, uncushioned vinyl flooring, and concrete floors.

Do you need both underlayment and vapor barrier?

Very often, particularly in a below-grade installation on a concrete basement floor, a vapor barrier is recommended in addition to the underlayment. That vapor barrier would go between the subfloor and the underlayment.

Do you need plywood under vinyl plank flooring?

Vinyl flooring can go over a plywood subfloor without a vinyl flooring underlayment as long as the substrate is sturdy, smooth, and flat. If your plywood subfloor is in poor condition, you may need a thin plywood underlayment to smooth the surface out.

Do you need to leave a gap when installing vinyl plank flooring?

Luxury vinyl flooring is susceptible to slight expansions and contractions in response to changes in moisture and humidity levels. An expansion gap permits the flooring to adjust without distortion. Neglecting to incorporate this gap can lead to damage, particularly if the floor expands significantly.

Does anything go underneath vinyl flooring?

Underlayment is not required if the vinyl flooring will be laid over a cushion-backed vinyl floor or a tile floor below grade. In all other applications, however, you should use one, such as covering existing hardwood floors, vinyl flooring without cushion, and concrete floors.

What happens if you don't put a moisture barrier under vinyl flooring?

When moisture penetrates your flooring, it can cause mold, mildew, and the potential for water damage. A moisture barrier helps control the water vapor's movement to help protect your floors. Therefore, if you're installing floors in an area that sees moisture, even a little, a vapor barrier is needed.

Can I put flooring directly on the subfloor?

If you're gluing the new flooring to the subfloor, use a sander to remove paint, oil, wax, adhesives, sealers or other material and then thoroughly vacuum off dust and debris. Nail-down or floating floors may be installed over existing vinyl as long as it's no more than two layers thick.

What backing is not good for vinyl plank flooring?

Rubber, both the natural and synthetic, is not safe to use with vinyl floors because it reacts with the chemicals found in vinyl and causes staining. Heat from sunlight or even the friction of foot traffic on rubber-backed rug pads causes this chemical reaction.

What to do when water gets under vinyl plank flooring?

If water has seeped under the flooring, it's crucial to dry out the subfloor completely before reinstalling the vinyl. Use fans, dehumidifiers, or professional drying equipment to ensure all moisture is removed.

Does it matter which direction you lay vinyl plank flooring?

The path most traveled in a room also dictates a sensible direction for your vinyl planks. Laying the planks parallel to the main traffic flow does a couple of things. First, it creates a visual elongation of the space, making the journey through the room feel more direct and spacious.

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