Can you install vinyl sheet flooring over subfloor?

Author: Mr. Lisandro Kling  |  Last update: Wednesday, April 29, 2026

The subfloor must be perfectly level and free of gaps, seams, or gouges that could transfer to the surface of the soft vinyl. For deeper dips, repair the subfloor using the trowel and spread the compound over gaps and seams until the floor is flat and level.

Can you put sheet vinyl on a subfloor?

If your vinyl flooring has a pad attached, you can install it directly over the concrete subfloor. If you don't have a pad attached then consider using a 1mm or less foam pad to help the floor float properly.

Do I need underlayment for vinyl flooring on subfloor?

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.

Can vinyl flooring be laid over 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.

What goes between subfloor and vinyl flooring?

When installing over a concrete subfloor, a felt underlayment is the best choice. Felt does a fantastic job of insulating the flooring from the cold concrete. It will also provide shock absorption. This will help absorb the impacts of everyday foot traffic, making the flooring more comfortable.

How To Install Sheet Vinyl Flooring | Menards

Does sheet vinyl need underlay?

Because the underlay of sheet vinyl itself is self leveling, it is no longer necessary to add an additional underlay after having a high-quality and qualified underlay.

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 you need a vapor barrier for vinyl plank flooring on plywood subfloor?

Plywood Subfloor: With plywood, an added moisture barrier isn't necessary, but you will want one that offers more comfort and reduces sound noise.

How to prep floor for sheet vinyl?

Prep the Floor

Use a grinder to lower the high spots and a chisel to remove any bumps. If you have old linoleum or vinyl flooring, you can leave it be if it's in good condition. If you see indentations or a rough texture, use an embossing leveller to create a smooth surface.

Can you install LVP directly on a subfloor?

When installing LVP flooring in your home, it's important to know what types of surfaces it can be installed over. Generally speaking, LVP can be installed directly over subfloors such as concrete or ceramic tile assuming they're clean and level.

What is the best subfloor for sheet vinyl flooring?

The best underlayment for vinyl flooring varies; foam offers extra cushioning, felt provides sound control and insulation, and cork is great for noise reduction, but not a moisture barrier.

Is a moisture barrier necessary for vinyl flooring?

A plastic moisture barrier acts as a shield, preventing moisture from reaching the vinyl flooring above. This protection is especially crucial in areas prone to dampness, such as basements, bathrooms, and kitchens.? Preservation of Subfloor Integrity: The subfloor serves as the foundation for your vinyl 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.

Should sheet vinyl flooring be glued down?

Your new vinyl floor will require an adhesive. A full-bond floor will have adhesive applied to the entire surface area. A perimeter-bond floor will need to be secured only around the edges of the room. Match the proper adhesive to your type of floor.

What kind of plywood goes 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.

Does floor have to be level for vinyl sheet flooring?

Vinyl will suffer from surface imperfections or a poor aesthetic appearance if the floor below is not perfectly smooth and level. It is therefore essential to install a leveling compound to ensure an integrally sound, smooth, and level substrate for the floor covering.

What are the disadvantages of sheet vinyl?

Disadvantages of Vinyl Flooring
  • Cannot be repaired.
  • Can emit volatile organic compounds.
  • Shorter lifespan than wood floors.
  • Difficult to remove, especially if adhesive is used during installation.
  • Not eco-friendly; challenging to recycle.

How to install vinyl sheet flooring on plywood?

How to Glue Down Sheet Vinyl Flooring
  1. Cut and Nail Down Underlayment. Cut and fasten the flooring underlayment and stagger the seams of the plywood panels, leaving a 1/32-inch gap between panels to allow for expansion. ...
  2. Apply the Adhesive. ...
  3. Cure the Adhesive and Lay Floor. ...
  4. Apply Caulk.

Do you need a roller for vinyl sheet flooring?

Start unrolling the sheet vinyl in one corner of the room. As you unroll the vinyl, press it onto the subfloor and carefully work your way to the opposite wall. Ensure a secure bond by using a floor roller to press the vinyl to the adhesive on the subfloor.

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.

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.

What do you put under vinyl sheet flooring?

The best underlayment for sheet vinyl flooring will depend on the specific conditions of your subfloor. However, some of the most common and popular options include: Foam underlayment: Foam underlayment is a good choice for most subfloors. It is relatively affordable and provides good insulation and noise reduction.

What adhesive for vinyl sheet flooring?

What kind of glue do you use for vinyl flooring? Acrylic-based adhesives are very efficient and strong when it comes to gluing vinyl floors. Acrylic-based adhesives are heat-resistant, can handle fluctuations in temperature and do not loosen up due to moisture.

Do you have to remove old vinyl flooring before installing new vinyl flooring?

Vinyl flooring is a popular option. It's inexpensive and easy to install. If you are ready to upgrade your existing floor, you will need to remove the old vinyl first.

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