Can you glue engineered flooring to underlay?

Author: Willa Champlin PhD  |  Last update: Wednesday, June 18, 2025

Straight Plank Engineered Wood Flooring can be floated on underlay or glued down. It is easier and quicker to float on underlay, but more secure to glue down.

Can you glue engineered hardwood to underlayment?

Engineered wood flooring installation glue-down laying

When installing a wooden floor, do not place an underlay on the glue. The only element between the substrate and the floorboard is glue. Likewise, when installing using a floating floor system, it starts with the preparation of the substrate.

Can you glue flooring to underlay?

Solid wood flooring is not a dimensionally stable product so needs fixing down to the subfloor to give it stability and strength. Glued underlay will allow you to fix the flooring to the subfloor by placing glue in the slots of the underlay.

Is it better to glue down or float engineered wood floors?

The choice between floating and glue-down installation for an engineered wood floor depends on various factors such as subfloor type, room dimensions, and personal preference. Floating installation offers easier DIY and allows for expansion, while glue-down provides a firmer feel and minimizes movement.

Can you glue down underlayment?

No, you should not glue down your underlayment. Underlayment is is a floating material, the same as your laminate flooring. In most cases, you should not glue or nail your underlayment down. You should always check with the installation instructions of the underlayment for proper installation instructions first.

3 Methods for How To Install Engineered Hardwood Flooring

Should you glue down the sub floor?

The strength and solidity of floors are essential structural elements of all buildings. When flooring is installed, subfloor adhesive is applied below the panels to secure them at the panel-to-joist connection, which minimizes squeaks and prevents uneven flooring.

How do you secure floor underlayment?

Do not lay out and fasten the whole floor! Fit panels into place first before fastening. Fasten the underlayment with either staples or nails. Start on one corner of the panel and fasten the 8' edge first, spacing 2” along the entire edge.

Can engineered wood flooring be glued down?

Straight Plank Engineered Wood Flooring – Can be either floated on underlay or glued down.

What are the disadvantages of glue down flooring?

Challenging installation

The biggest drawback to glue-down vinyl flooring is the complexity of the installation process. This method requires more skill, precision, and time compared to floating vinyl flooring. Most homeowners choose to hire a professional for glue-down installation, which increases labor costs.

How do you fix a bouncy engineered wood floor?

Filling Gaps With Construction Adhesive

Small gaps between the subfloor and joists can contribute to bounce. Fill these gaps using construction adhesive: Identify gaps by looking for spaces between the subfloor and joists. Apply construction adhesive into the gaps using a caulking gun.

What glue to use for underlay?

Floor adhesive is a durable permanent glue for bonding carpet, laminate flooring, and underlay to subfloors.

Can you glue down click lock engineered hardwood flooring?

When it comes to engineered hardwood floors, two common methods of installation are floating and glue-down.

Can I glue LVT to underlay?

If you added a layer of underlay between the LVT glue-down flooring and the subfloor, this would break that connection. As a result, there could be movement in the floor tiles which is undesirable. Therefore, underlay is not recommended or required with LVT glue-down flooring.

What is the best underlayment for engineered wood?

When installing hardwood or engineered wood flooring, the best underlay options are cork and foam. However, foam does have more give than cork so, while it is the more popular option, we recommend cork.

What is the expansion gap for engineered wood?

Most of the time the expansion gap will be hidden beneath a skirting board or beading so it is recommended that a 15mm expansion is left. There are some circumstances where it would be preferable to have less of a gap than 15mm, but we recommended consulting with us first.

What is the best glue down engineered hardwood flooring?

Opt for urethane adhesive for installing wood floors

hardwood floor installation. It creates a strong bond with wood but has elastomeric properties; it will allow the wood floor to move.

Is it better to glue down or float engineered flooring?

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.

Is it better to click or glue down flooring?

Click flooring will be more comfortable, due to the extra thickness and underlay. However, gluedown is less likely to move and feel the effects of increased foot traffic if it's firmly attached to the subfloor. For this reason, we'd recommend using gluedown LVT in these areas that see heavy footfall.

How long before you can walk on glue down flooring?

Tiles or planks that are glued down, however, need time to set. This process takes at least 48 hours. Like luxury vinyl, carpet and laminate that is not glued to the subfloor can be walked on immediately. Brands that must be glued down are not ready for furniture for at least 24 hours.

What are the problems with floating engineered wood floors?

Floating engineered wood floors are more vulnerable to moisture and humidity fluctuations compared to solid wood. This sensitivity can cause warping or swelling, especially in humid conditions or in rooms like kitchens and bathrooms.

How much does it cost to remove glued down engineered hardwood?

Unless you should happen to hire the services of companies that specialize in flooring removal, plan on ten square feet per hour as a high guesstimate. National and local companies today generally charge between $ 2.50 and $ 3.50 per square foot.

How to install underlay for engineered wood flooring?

Once the surface is prepared, you can apply your engineered underlay. Place a roll at one end of the room and unroll it from the wall. Simply use scissors or a knife to trim at the opposite end. Continue across the room, making sure the edges meet but don't overlap as this will create an uneven floor.

How do you keep underlay in place?

Each piece of underlay should be laid side by side, with the edges butting up against each other but without overlapping, as this can create an uneven surface for the laminate. Remember to tape the seams together with underlay tape to keep the pieces securely in place and prevent any moisture from seeping through.

What is the best glue for underlayment?

Titebond Solvent-Based Subfloor Construction Adhesive is a professional strength formula that is specifically designed for subfloor installations and general plywood use.

How do you secure underlay?

Stick your underlay to your subfloor – use adhesive glue or staples to make sure that your underlay is firmly attached to your subfloor. Lay your carpet on top – Now you can have your carpet fitted on top. Remember that caring for your carpet is the most important way to look after your flooring and your underlay.

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