- Fill up slight low spots with wood shims. ...
- Screw the wood shims into place on top of the joists with a drill and screws to bring the low spots up to the same height as the high spots for an even installation area for the subfloor material. ...
- Plane down slight high points of joists with the planer.
What can I put on uneven concrete?
If you're tackling a concrete leveling job in the future, start getting to know Concrete Leveler. A user-friendly, self-leveling compound from CTS Cement | Rapid Set, the Concrete Leveler spreads across uneven slabs, filling in low spots as it goes along and creating a new, level surface in the process.1 jul 2015
Does underlayment help with uneven floors?
An uneven sub-floor can cause issues to arise prematurely even if the floors are top-notch. Underlayment can serve as a relatively simple fix to an uneven-subfloor. ... If all for sides of the room's perimeter are level, then underlayment should work for you.6 ago 2020
How do you make an uneven subfloor even?
- Identify and Prepare the Low Spots. Mark the areas of the floor that need filling in to bring them level with the surrounding areas. ...
- Mix and Apply the Self-Leveling Compound. ...
- Lightly Sand.
How do you lay plywood on an uneven floor?
Use Self-Leveling Compound to Correct 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.14 ago 2021
What can I do with 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.
Does subfloor need to be perfectly level?
The only leveling you need to do is to smooth out the surface to get rid of any bumps or dents. This is the foundation on which you surface (finished) surface rests. It gives sturdiness and balance and is attached to the floor joists.16 ene 2020
Can you put subfloor over uneven concrete?
You need a dry, clean and flat surface before you can install finished flooring in a room built on a concrete slab. One of the simplest options is a sleeper-based subfloor. The result is a subfloor that protects finished flooring from cold and damp concrete-based floors.
How much does it cost to level concrete subfloor?
The cheapest way to level a concrete floor is with concrete leveling or mudjacking. Concrete leveling costs $3 to $6 per square foot.5 jul 2021
What is the cheapest way to level a concrete floor?
There are self-leveling coatings designed to fill gaps and cracks. You could also try using vinyl floor tiles to make the transition more gradual. Probably the easiest (and cheapest) thing to do would be to get a big diamond grinding wheel and bevel down the lip.
What do you use for subfloor on concrete?
https://www.youtube.com/watch?v=BaTLu-9GO20
Can you lay plywood over concrete?
If you're installing plywood over an existing dry concrete floor, you shouldn't have any problem. However, a new concrete floor contains a lot of moisture. ... The moisture level of the concrete should be down to 5.5% before attaching the plywood subflooring.24 abr 2015
What kind of floor can I put over concrete?
Like other flooring materials that work well over concrete slabs, laminate uses layers to fight moisture. This makes it a reliable option to install over your concrete slab. If you plan to transform your basement into a high traffic area for entertaining and relaxing, laminate could be a great option.