How do you fix subfloor imperfections?

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.

Can you use thinset to level a plywood floor?

Well, the answer is actually no. Mortars cannot be used to level or patch a floor – ever! The most versatile self-leveler is Novoplan 2 Plus, a high-strength, cement-based underlayment and repair mix for use over interior concrete, plywood and other approved floor surfaces.

Can you use self-leveling compound on wood subfloor?

If you’ve got a plywood subfloor, like many buildings do, you can leave it in place and apply self-leveling concrete directly on top of it. Once the plywood subfloor is covered, just apply the finish you want to achieve the desired look.

Can you pour concrete over wood subfloor?

Installing concrete over wood flooring can be an easy way to hide damaged floors. Concrete floors provide a unique look that can’t be matched by other flooring materials. The material is versatile enough to be installed over a variety of subfloors as long as they are prepared properly.

How do you fix uneven wood subfloor?

Here are some things to consider when your subfloor is uneven.

  1. Self-Leveling Compound. When you are dealing with uneven floors, one option that you have is to use self-leveling compound.
  2. Plywood. Another option that you could utilize is installing plywood on top of the old subfloor.

Can you level a floor with plywood?

Place strips of plywood across the floor to fill deeper slopes, increasing the thickness of the plywood at regular intervals to correct the slope. For example, fill a 1-inch slope across 8 feet by putting a 12-inch strip of 3/8-inch plywood at the point where the slope is that deep.

Can I use modified thinset on plywood?

Thinset sticks just fine to plywood, but that’s not really the question in your post. First question is to back up and ask what you’re doing exactly. If you’re attaching backerboard to plywood, thinset does not behave as an adhesive.

Can you use thinset on plywood?

Use Thinset With a Higher Latex Content Thinset is the wet base that you first trowel on the plywood to make the tile stick. Higher latex content is essential for bonding to plywood. A quality unmodified thinset should be used and mixed with a latex additive.

Can you use self leveling on plywood?

If you’ve got a plywood subfloor, like many buildings do, you can leave it in place and apply self-leveling concrete directly on top of it. You can also use self-leveling concrete on plywood as an underlayment for other types of floor coverings, such as carpet or tile.

Can I use leveling compound on plywood?

Leveling compounds prepare plywood subfloors for flooring installation. These compounds are used to level out low areas in plywood substrates in preparation for laminate, wood or tile flooring installation.

Does concrete stick to plywood?

Construction professionals routinely use plywood panels as shaping forms when pouring concrete for new home foundations. A do-it-yourselfer can pour concrete between 2-by-4 forms when installing a new sidewalk or patio, but for best results, pretreat the wood in the same way the pros do.

Does concrete adhere to wood?

Concrete does adhere to wood, though the connection is often not ideal. Many builders use wood panels as forms that concrete is poured into to create a foundation or floor. After the concrete is cured and dry, the wood is removed. Lumber mills often pretreat their wood with oil-based blends to make it stick-resistant.