Do You Need an Underlay for Engineered Wood Flooring? (2024)

Do You Need an Underlay for Engineered Wood Flooring? (1)

Abagael Wiese

Do You Need an Underlay for Engineered Wood Flooring? (2)

An underlayment is a thin sheet of material that sits between your floor and subfloor. There are many benefits to using an underlay beneath your engineered wood flooring, including extra moisture resistance and more durable flooring. Do you need an underlay for engineered wood flooring? While it’s not always necessary, it can greatly improve your flooring and bring extra comfort to a room. Learn more about using an underlay with engineered wood flooring with this guide.

Reasons To Use an Underlay

Underlays are helpful for any type of engineered wood flooring. While you can install engineered wood floors without an underlayment, the extra support and insulation add a lot to a room. To get the most out of your underlayment, you’ll have to look into which materials work best with the type of wood floor you have. No matter what you choose, however, you’ll benefit from the following reasons to use an underlayment beneath your floors.

Eliminate Subfloor Imperfections

If you want your engineered wood floor to last a long time, you need an even subfloor. Underlays smooth out the subfloor and cancel out minor dips and flaws that might otherwise affect your new floors. The even surface an underlay provides creates more stability for your engineered wood floors.

Make a Room More Comfortable

Underlays add an extra layer to your flooring. This makes them softer and more comfortable beneath your feet. Underlays also act as extra insulation, improving the warmth and energy efficiency of a room. The added insulation also helps muffle sounds. This is particularly useful when you want engineered wood flooring in a second-story room. The underlayment will reduce the sound of footsteps, creaking, and other noises.

Improve Moisture Resistance

Moisture is a big deal for wooden floors. While engineered hardwood is more moisture-resistant than solid hardwood, it can still take damage from spills, standing water, or excess humidity. An underlay—especially one with a built-in vapor barrier—adds extra protection against water damage and other moisture issues.

Underlays and Different Installation Methods

There are several ways to install new engineered wood floors. The installment method you choose influences how much you need an underlay. For example, when you use the floating method to install your new flooring, your wood planks won’t actually be attached to the subfloor. As your wood floors expand and contract during humidity changes, they’ll need additional support to prevent major buckling or separation. An underlay grants extra support and stability to floating floors as they fluctuate with the seasons.

Do you need an underlay for engineered wood flooring? The choice is up to you. No matter what you decide, you can get the supplies you need at From the Forest. Our natural engineered wood flooring creates the beauty, stability, and comfort you need to make your home shine.

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Do You Need an Underlay for Engineered Wood Flooring? (2024)

FAQs

Do You Need an Underlay for Engineered Wood Flooring? ›

If you want your engineered wood floor to last a long time, you need an even subfloor. Underlays smooth out the subfloor and cancel out minor dips and flaws that might otherwise affect your new floor. The even surface an underlay provides creates more stability for your engineered wood floor.

Do engineered wood floors need underlayment? ›

You should always install engineered wood over an underlayment. Moisture barriers and underlayment prevent moisture build-up under your floors, keep your floors warm, reduce noise, and even out subfloor imperfections.

What do you lay under engineered wood flooring? ›

Underlay is simply a thin layer of cushioning material which is laid in between the subfloor and the wood flooring. It's usually made of polyurethane foam, cork, sponge rubber, or recycled fibres.

What is the best underlayment for engineered wood? ›

Foam underlayment for engineered hardwood

The combination foam is the right choice where high-humidity conditions exist in the room or in space beneath the room where hardwood floors are installed. This underlay is similar to the foam underlay for laminate.

Do you need plywood under engineered wood flooring? ›

Foam or cork underlayment helps to reduce noise transmission and provides a cushioning effect, enhancing the comfort underfoot. Plywood or OSB subfloor provides a stable and even surface for the engineered wood planks to be installed on.

Should I glue or float engineered wood floors? ›

If you are trying to decide between the two, then for engineered wood flooring floating is usually the best option as you can install it quickly and don't have to worry about which glue to use and how long to wait for it to dry. If you are installing hardwood flooring then using glue may give you a more stable result.

How thick should underlay be for engineered wood flooring? ›

The thickness of the underlayment for engineered wood flooring will depend on the specific requirements of the manufacturer and the condition of the subfloor. In general, a standard thickness for foam or cork underlayment ranges between 2mm to 6mm.

Can you install engineered hardwood over subfloor? ›

If installing the engineered hardwood flooring over a concrete subfloor, the concrete must cure for at least 60 days before the floor is installed.

Do you nail or glue engineered wood floors? ›

If you have a concrete subfloor, then you should glue your hardwood down, if you have a wooden subfloor then you can choose either method of installation. However, if you are planning on fitting your hardwood floor to joists, then you will need to secret nail them into place.

Is expensive underlayment worth it? ›

The long-term advantages of choosing premium underlayment far outweigh the cost-savings of value-grade options. Premium underlayment offers benefits like moisture reduction, soundproofing, floor heating and increased durability.

What flooring needs underlayment? ›

As a general rule, use a vapor barrier underlayment for:
  • Any floating floor or engineered wood floor on an unsealed concrete subfloor.
  • Laminate and engineered wood installed over an unheated space.
  • Laminate and engineered wood installed over a wet room like a bathroom or kitchen.
Apr 18, 2023

What type of flooring needs underlayment? ›

If your laminate flooring doesn't have an attached pad, underlayment should be installed. Protect your floors from moisture with a polyethylene or silicone underlayment. If you're looking to reduce sound, use an acoustical or cork underlayment.

Can you float tongue and groove engineered hardwood? ›

Some engineered hardwood floors are designed with tongue-and-groove boards. You can turn these into a floating hardwood floor by applying a bead of glue in the groove, and then inserting the tongue of the next board.

Can you install hardwood floors without underlayment? ›

The answer to this question isn't a 'yes' or 'no. ' If you have a plywood subfloor already installed, and the subfloor is level and smooth, you don't need underlayment for your floor. Plywood has moisture resistance properties compared to solid wood and creates a smooth surface.

Can you install engineered hardwood over plywood? ›

Nail-Down Installation Over a Plywood Subfloor

With a nail-down engineered hardwood floor, follow the same subfloor preparation steps as above, including underlayment and laying spacers around the room's perimeter to maintain the manufacturer's recommended expansion gap.

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