Question: How Flat Does My Floor Need To Be For Laminate?

Does subfloor need to be clean for laminate?

Your subfloor must be:Level within 3/16 inch for every 10 feet.

Grout lines must be filled in if using tile as a subfloor.


All dust and debris should be swept.Structurally sound.

Clear of any nails, loose screws that squeak or are damaged, or any parts that were damaged by moisture.Dry..

Do you need plywood under laminate flooring?

Compression resistance provide a solid footing for your laminate flooring. If you choose to not install an underlayment, imagine walking on wood on wood. … Moisture protection will not have any benefit to laminate flooring on plywood as most plywood subfloors are usually installed on the main or second level of a house.

How soon can you walk on laminate flooring?

24 hourswait for the floor to cure Before you use your new floor or move into the room, make sure the floor is completely cured. Do not walk on the floor for 24 hours after installation. If you do, it will damage the installation, resulting in an uneven floor.

How level does my floor need to be for laminate?

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.

How smooth does concrete need to be for laminate?

I would say +/- 1/8″ would be sufficient. I did have good success with a pneumatic floor scraper/chisel. I agree with the 1/8″ recommendation in general. It will depend on the size of the laminate planks and how much give you will accept in the floor.

What do you put under laminate flooring?

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.

Why is my laminate floor springy?

Laminate or Wood Floor Bouncing When floor planks are laid onto the uneven subfloor, they form bridges over the dips in the floor. When weight is applied, the wood flooring can then bend or bounce. Inadequate underlay has been used which is not supporting the joints correctly.

Why is my laminate floor sinking?

The most common cause of edge-warping or buckling is water or dampness rising from the subfloor in conjunction with the lack of a sufficient moisture barrier. Buckling or warping can also be as a result of an inferior product construction. Laminate floor surfaces are laminated under extremely high pressure.

Can you lay laminate on floor boards?

If you are planning to lay laminate over old wooden floorboards, it is a good idea to line the floor with hardboard. If the old floor is pretty level, this is not essential, but even tiny differences in height between floorboards will effect the finish of the laminate flooring.

What subfloor is needed for laminate?

Laminate Flooring, which can only be installed using the floating method, can be installed over a 3/4″ thick plank subfloor (over the recommended foam pad) as long as the plank subfloor is flat. The flooring must be installed crossing the subfloor boards (at a 90 degree angle).

What is the best flooring for uneven floor?

Self-leveling underlayment products can be used on concrete floors, wood subfloors that are uneven but still in decent shape, and even over ceramic tile floors—eliminating the task of tearing out the old tiles.

Can you lay laminate on an uneven floor?

Before laying your laminate flooring it is essential to ensure that your subfloor is even. 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.

Do I need to level concrete floor before laminate?

Before installing laminate or hardwood floors you must do concrete subfloor preparation (or wood subfloor preparation). This work looks same in general but actually you have to make individual approach to each project. … I also invite everybody to share his experience in concrete subfloor leveling.

How do I prepare a concrete floor for laminate?

Typically, the floor must be level and uniform within 3/16 inch every 10 feet. Check your wood flooring manufacturer’s recommendations and sand any high spots with a concrete grinder. Fill any low spots with a cementitious leveling compound following the manufacturer’s directions and allow it to dry before proceeding.

What is the best underlayment for laminate flooring over concrete?

Best underlay for laminate flooring is foam or cork. Best underlay for laminate flooring is foam because it is simple to install, it is a good sound barrier, and is very cost effective. Some best foams have attached additional layer which functions as the best moisture barrier.

Why does my laminate floor feels spongy?

A laminate floor that feels spongy can be caused by any of these 5 conditions: an uneven sub-floor, an underlayment issue, an expansion gap issue, water damage, or termite damage. … It is also worth mentioning that an improper acclimation of the laminate floors prior to the installation could lead to soft spots overtime.

Why is my laminate floor not laying flat?

The boards fit together like pieces in a puzzle and when the entire floor is assembled, it floats over the subfloor like a film coating. If it’s uneven, it may be because the subfloor is bumpy or that it fits too tightly and bubbles are forming as the edges press against the wall. It may also be the result of moisture.