How do you level a plywood subfloor for laminate flooring?

Thoroughly vacuum the existing floor, and use a long floor leveler and tape measure to ensure the subfloor is level within 3/16 inch for every 10 feet. You’ll need to know how to level a floor: Just sand any high spots and fill the low spots with leveling compound.

How do you level an uneven plywood subfloor?





Using a flat-edged trowel, apply the floor leveling compound. Fill in all dips and uneven spots in the subfloor. Allow the leveler to dry as is instructed by the manufacturer’s product label. Remove hills or humps using a floor sander until the entire floor is level.

How do you fix an uneven subfloor for laminate flooring?

Quote from the video:
Quote from Youtube video: And do what's called a scatter nail that's where you randomly put the nails all over the entire floor. About an inch to two inches apart. Seems like a lot of work.

How do you fix a low spot in a subfloor?

In order to repair low spots in wood or concrete subfloor, you’ll need either a floor patch product or floor leveler specifically made for underlayment. Floor levels are cement-based products that either come premixed or as a dry substance that you mix with water.

Can I use self leveling compound on plywood?

You can also use self-leveling concrete on plywood as an underlayment for other types of floor coverings, such as carpet or tile. Whether you’re a homeowner, contractor, or property manager, self-leveling concrete is a cost-effective, durable option for replacing floors that are cracked, uneven, or worn.

Can you put laminate flooring over uneven floor?





Laying laminate over an uneven floor is doable, however it is strongly discouraged. While you may want to attack your project head on and just get it over with, it is important to make sure that the subfloor is in proper condition before moving forward.

What if my subfloor is not level?

Remember that shims can often be used to correct other joist issues. If the uneven floor is due to floor joists that have warped or twisted over time or were incorrectly installed, the only way to level the floor is to remove the subflooring and shim the joists.

Can you use self leveler on subfloor?

You can use self-leveling compounds on wooden subfloors to achieve a surface finish similar to concrete. It is essential to prepare the wood subflooring beforehand by ensuring it can handle the load, cleaning it well, sanding it, and sealing any imperfections before applying the compound.

How do you join two floors at different levels?

Quote from the video:
Quote from Youtube video: So what you do with this case is you use a piece like this which is called a transition piece so you can see how it's shaped like this.

How do you fix a subfloor dip?



Quote from the video:
Quote from Youtube video: If I want to try to jack it up to where there's an actual space so that when I stick it in I stop at the quarter of an inch on every one of them. So that it is consistent all the way across.

Can you use wood filler to level subfloor?

You can simply use a putty type of wood filler. Or anything to prevent the laminate from dipping. I’ve seen guys use construction adhesive like PL to repair small defects in the subfloor.

What should I use to level plywood subfloor?

Wide sags and depressions in a floor sometimes can’t be adequately bridged even by sheets of plywood, so it’s best to fill these areas with self-leveling compound. When mixed with water, the compound settles into low areas and dries to a smooth, level surface.

Can you use thinset to level a plywood floor?



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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.

How do you level a floor without leveling compound?

Quote from the video:
Quote from Youtube video: And we said the answer is yes from the manufacturer you do not need to use thinset to apply onto plywood as long as the floor is level and the plywood that's used is proper.

Can you use shims to level a subfloor?

Leveling a wood subfloor or hardwood floor depends on the extent of the problem. If the entire floor slants to one side, you’ll need to cut long shims from 2 x 4s. They attach to the original floor to support a new subfloor that creates a level surface across the room.

How much can you jack up a sagging floor?

It’s important not to jack your floor too fast. If you do, you can cause the wall above the area to crack. Instead, Jack your floor slowly. As a rule of thumb, you only want to raise your floor 1/8 of an inch a day.

Can you put self leveling compound on wood floors?



Wood floors need to be primed before covering them with self leveler. The floor will be covered with water-saturated leveler, which will cause the wood to swell. It will shrink back down when it dries, which could cause cracks in the underlayment and tiles above. The primer prevents the wood from absorbing water.

How do you level a subfloor with self leveling compound?

Quote from the video:
Quote from Youtube video: Down the caulk on the bottom line of the edge. Band. Just simply flip it over. And press it into place. And you will see how now it creates a barrier around that section of room.

How do you fix a high spot on a subfloor?

Paper Shims and Plywood Strips



Minor high spots for hardwood and laminate floor installations are easily fixed with tar paper shims. The most basic method is to take a piece of tar paper, fold it in half and then push that underneath the flooring material being installed over the subfloor.