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The Daily Insight

How do you install laminate flooring on an uneven surface

Author

Andrew White

Published Apr 04, 2026

Laminate can be installed on an uneven floor; however this can degrade the quality of your new laminate. The finished product may become warped as a result, causing the floor to shift and become damaged when walked on. For this reason, it is best to level the subfloor prior to installing laminate.

Can you put laminate flooring on uneven floor?

Laminate can be installed on an uneven floor; however this can degrade the quality of your new laminate. The finished product may become warped as a result, causing the floor to shift and become damaged when walked on. For this reason, it is best to level the subfloor prior to installing laminate.

How even does the floor need to be for laminate?

Tip. When leveling a floor for laminate, the floor needs to be even across the surface, not level from one side to the other. While bumps and dips in the subfloor require correcting, there’s no need to build up a smooth and even surface so that it’s also level from end to end.

What kind of flooring is best for an uneven floor?

For very uneven flooring, laminate sheets or tiles may be a better bet. This material is more flexible, but may reveal the imperfections in the surface. The most durable and attractive option for an uneven floor is often a pour on option, such as epoxy.

Do you cut the tongue off the first row of laminate?

Place the first plank with the tongue side towards the wall, being sure to allow 1/8″ for expansion. We recommend cutting off the tongue on this first row to avoid any problem with the expansion gap. … If it is too short, cut a new plank in half and use one half to start the second row.

What is the easiest way to level a floor?

The easiest way to level a floor involves using a self-leveling compound, which uses gravity to smooth out any dips in the subfloor. If you need to know how to level a floor without leveling compound to fix structural issues, it can be more difficult.

What is better for uneven floors vinyl or laminate?

If your floor is a little bit uneven, you can use a vinyl plank for complete coverage. Vinyl planks are tough and sturdy that will make your floor look more even than it really is. However, if your floor is highly uneven, you should use laminate tiles or sheets.

What can I use for subfloor under laminate?

The normal choice is a thin foam pad material made of polyethylene or polypropylene, which rolls out in sheets. Plywood subfloors: A breathable foam-type underlayment is generally used when installing laminate flooring over plywood or OSB subfloors.

How forgiving is laminate flooring?

While laminate tends to be more forgiving of subfloor imperfections compared to other types of flooring, it is still important to level your flooring to avoid future damage if you are installing laminate flooring on an uneven subfloor. A level subfloor ensures a more attractive and long-lasting finish.

How do you fix an uneven floor in an old house?
  1. Pour Self-Leveling Underlayment. Pour self-leveling underlayment in the problem area. …
  2. Sister the Joists. …
  3. Prop Up the Joists. …
  4. Lay Down New Hardwood.
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How do you level a slanted floor?

To do this, simply cut several leveling strips the same size as the original strip. If the floor slants irregularly, cut strips that bridge the cap at each floor joist. Attach leveling strips. Use screws to secure the leveling strips to the floor every 16 inches.

How do you fix an uneven subfloor?

For concrete slabs: If there are only a few problem areas in the concrete, you can mechanically flatten them by grinding, bead-blasting, abrading, or using a patching compound. If the entire slab is uneven, you may have to use a self-leveling concrete compound to smooth it out.

How much does a 50 lb bag of self leveler cover?

Coverage: One 50 Lb. bag will cover approximately 40 Sq. Ft. at 1/8 In.

Can you level a floor with mortar?

Mortars cannot be used to level or patch a floor – ever! The materials used in mortars render the product unstable once the thickness exceeds the manufacturers’ recommended maximum thickness. … We recommend choosing a self-leveler or patch product instead.

Does it matter which direction you lay laminate flooring?

In what direction should you lay a laminate floor? In most cases, you should lay your laminate flooring parallel to the longest side of the room or your home. This will create a more natural flow and will accentuate the length of the room better.

How do you get a straight line in a crooked room?

  1. Use a pry bar to pry off any baseboard or molding from the longest wall in the room that runs perpendicular to the floor joists.
  2. Measure 12 inches in from one end of the wall. …
  3. Tie one end of a chalk line to one of the nails. …
  4. Snap the chalk line, leaving a straight chalk mark on the subfloor.

When laying laminate flooring where do you start?

Always start hardwood flooring along the most prominent and noticeable wall in the room. This way, if the room is out of square, the crooked cut will be hidden under the cabinet’s toe kick. In order to keep the floor straight and square, start laying the laminate away from the wall because the wall may not be straight.

Which side of laminate do you start with?

The tongue is the side that you will want to place against the wall as you start your laminate-flooring installation.

Do you nail laminate flooring?

Since laminate flooring is a floating floor, it is not meant to be attached to the subfloor by nails or glue. The floor needs to be able to expand and contract with temperature changes and therefore must freely lay on the underlayment or subfloor.

Do you have to stagger laminate flooring?

Laminate flooring manufacturers often require their floors to be staggered anywhere between 6 to 12 inches, some manufacturers even want more. … Don’t ever short-stagger your flooring, it is both not aesthetically pleasing, and can also bring up some of the same issues as not staggering the floor at all.

Does laminate flooring need subfloor?

Underlayment for laminate flooring is a must. Since laminate is a floating floor, it must be evenly distributed across your subfloor. Underlayment is what allows the floor to float, gives it stability, support, noise reduction, and supports the locking systems in between planks to assure the sturdiest flooring project.

What is the difference between flat and level?

Therefore, flat surfaces are generally inclined a few degrees to aid water run off. The car is on a completely flat road, but the road is not level. The house in the background is level. In contrast, a level plane is one that is horizontal to the ground.

Does underlayment Help uneven floors?

Only very small imperfections can be concealed using underlay. Underlay will not hide major flaws, and a floor that is uneven will need attention before you lay any laminate flooring. … The more even your floor, the better your final finish will be.

Can you put two different laminate flooring together?

Because laminate is available from a variety of manufacturers and each maker has several types of flooring, two different laminate floors cannot be a continuous installation, but you can connect them without too much difficulty.

Are transition strips necessary?

Transition strips are especially important when you are going from one thickness of floor covering to another. It’s common to have an area that has thick carpet that transitions to concrete or carpet that transitions to another hard surface like wood, laminate or linoleum.