Can you put vinyl flooring directly on a subfloor?

Author: Kaden Littel  |  Last update: Friday, January 2, 2026

If the vinyl flooring product you choose doesn't have an attached underlayment, you can almost always install directly over the subfloor without one. But to maximize softness, warmth, moisture proofing, and noise reduction, an underlayment is key.

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

When you have a bump or dip in your subfloor, the uneven surface can cause vinyl planks click-lock-systems to become uneven. This will cause creaking or “popping” every time you walk over the floor. An underlayment can help fill in subfloor imperfections and leave your flooring a smooth surface to lay on.

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.

How do you prepare a subfloor for vinyl flooring?

Your subfloor should be clean, rigid, level and free of cracks. Remove any carpeting or old vinyl flooring and temporarily remove the baseboard. If you are installing vinyl planks in a bathroom, you may need to temporarily remove the toilet, or you can install around it.

Do I need underlayment for vinyl flooring on plywood?

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.

How To Prep Wood Subfloor for Luxury Vinyl Plank Flooring for Beginners. Fix High and Low Spots!

Does vinyl flooring go directly on subfloor?

Most modern vinyl flooring comes with an attached underlayment or pad, often with a built-in moisture barrier—unless the pad is cork. If the vinyl flooring product you choose doesn't have an attached underlayment, you can almost always install directly over the subfloor without one.

Do you need a moisture barrier under vinyl 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.

Should I put something under my vinyl flooring?

You may wish to use an underlayment with some additional cushion when installing vinyl flooring over a concrete subfloor. In addition, you may want one that provides some additional moisture protection, as well as some insulation. With concrete subfloors, a cushiony underlayment, such as foam or cork, is recommended.

What thickness plywood under vinyl flooring?

Cover the floor area with either a 4mm or 6mm plywood - the thickness selected should be determined by the quality of the surface being covered. Ply should be of suitable quality, eg SP101. Wood should be fixed using screws, twisted shank or ring shank nails, serrated or divergent staples.

What do you need to do before laying vinyl flooring?

Make sure your subfloor is dry, smooth, structurally sound, and free from debris (that means scraping off the old glue if you've ripped out old vinyl or laminate). Move your roll of vinyl into the room where it's being fitted at least 24-48 hours beforehand to allow it to acclimatise to room temperature.

How to stick vinyl flooring to plywood?

Make sure you've cleaned all the dirt and debris off the plywood. Apply one coat of latex primer, allow to dry, then peel and stick the tiles. That's the cheapest way I know of to do it and have the tiles stick.

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.

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.

Does vinyl flooring with attached padding still need underlayment?

While vinyl flooring with an attached pad provides a basic level of cushioning and sound absorption, investing in a high-quality rubber underlayment like Dura Undercushions can elevate the functionality and longevity of your flooring.

Is felt or foam backed vinyl better?

Choosing between felt or foam-backed vinyl flooring ultimately comes down to personal preferences, alongside the specific needs of the space where it will be installed. Felt-backed vinyl offers an enhanced underfoot experience that's warm, comfortable, and forgiving of minor subfloor irregularities.

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 smooth does subfloor need to be for vinyl plank?

Flat: All wood and concrete subfloors must be flat within 1/8” over a 6' span, or 3/16” over a 10' span. All areas of the subfloor must be checked prior to installation. High spots can be sanded or grinded down and low spots filled with appropriate patching compounds.

How soon can you walk on vinyl flooring after installation?

After you've installed brand-new vinyl flooring, you should wait at least a day before walking on it because: The seams need to cure: The adhesive under your vinyl plank or tile flooring needs at least a day to acclimate to the floor underneath it after installation.

What is the best thing to put under vinyl flooring?

Cork: Cork absorbs sound, which is why it is the most preferred material to be put under the vinyl floor. It can also be a good choice for minor moisture issues, but not for large amounts of water. It also proves to be a great material for combatting mold and mildew.

Can you put vinyl flooring directly on subfloor?

Generally speaking, LVP can be installed directly over subfloors such as concrete or ceramic tile assuming they're clean and level. Additional underlayment may be required if installing over existing hardwood or vinyl sheet floors to protect against moisture damage and sound transmission.

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.

Does it matter which direction you lay vinyl flooring?

Traffic flow

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.

Do you put a moisture barrier under a subfloor?

Yes. Hardwood flooring is quite sensitive to moisture and it's always worth adding a moisture barrier during installation. It is a necessity with concrete subfloors and damp areas, but water-resistive underlayments should be considered with other subfloors as well.

Do I need to leave a gap with vinyl flooring?

When installing floating vinyl floors it is necessary to allow for this expansion by leaving a gap around the perimeter of the floor or anywhere it meets another floor or vertical surface.

How do you stop moisture under vinyl flooring?

Use moisture barriers or underlayment specifically designed for LVP flooring to prevent moisture from seeping up from the subfloor. Proper sealing around the edges and at the joints can also prevent water from penetrating beneath the planks.

Previous article
Is Egyptian cotton cooling?
Next article
What time of year do washing machines go on sale?