The easiest method would be to use embossing compound. Mix up a good amount and trowel it on the depressed area. Use your long straight edge to screed it, much like you would a concrete slab. Since your depression is only a little over 1/8″, it should be very easy to spread that small amount.
How do you fix a sagging subfloor?
Quote from the video:
Quote from Youtube video: For hopefully that makes sense but if you cut it flat then you wouldn't really fix the thing the first shim is cut and i've pushed it underneath the plywood.
Can you put self-leveling compound on OSB?
LevelQuik® Advance™ SLU is a high flow, high strength, fiber reinforced calcium aluminate cement based, self-leveling underlayment that eliminates the need for reinforcing lath over plywood and OSB on interior wood framed subfloors.
How do you flatten a subfloor?
Using shingles and felt paper to fill in low spots. Cut shims and place in-line with floor joists, then use a leveling or patching compound screeded to the shims. Nail flooring at shims, then use trim head screws in between.
How do I make my subfloor firmer?
A layer of 3/4-in. plywood firmly fastened to the undersides of joists helps prevent this side-to-side bending and stiffens the floor. For this fix to work well, the upper edges of the joists must be solidly fastened to the subfloor above. Squeaks in a floor usually mean that the subfloor has loosened from the joists.
How do you level a sagging floor in an old house?
There are multiple ways to fix a floor that sags and dips.
- Pour Self-Leveling Underlayment. Pour self-leveling underlayment in the problem area. …
- Sister the Joists. …
- Prop Up the Joists. …
- Lay Down New Hardwood.
How do you jack up a sagging floor?
Quote from the video:
Quote from Youtube video: You have the less times you have to move them to lift an area now you can do this with one bottle jack by not being too greedy take. And cut a 2×4.
How do you level an uneven OSB subfloor?
Quote from the video:
Quote from Youtube video: So yes of course. If you use self leveling compound with primer it's always very good bonding and no problem so in this situation.
How do you level a OSB subfloor?
Steps for Leveling a Subfloor
- Step 1: Determine and mark high and low spots across the floor. …
- Step 2: Set a strategy for filling in low spots to “even out” the floor. …
- Step 3: Fill in low spots with shingles and construction felt.
How do you smooth a OSB subfloor?
How to Sand OSB
- Set the OSB face-up on a flat surface or worktable. …
- Wear eye protection and a dust mask when sanding OSB to avoid injury from any splinters or sanding dust.
- Lightly sand the entire surface with a rough grit, ideally between 60 and 80 grit. …
- Remove sanding dust after each pass of the different grits.
How do you strengthen OSB subfloor?
Rough up the subfloor with 60- to 80- grit sandpaper. Apply construction adhesive between all the joints of the existing subfloor. This will help eliminate existing squeaks. Apply construction adhesive to the subfloor as you apply each piece of new plywood.
Can sagging floors be fixed?
The solution to sagging floors, or the damaged sills and joist ends that contribute to them, often involves jacking. A common scenario is to install temporary jack posts and support beams, then permanent posts and beams over new footings.
How do you level a sloping 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.
How do you shim a plywood subfloor?
Minor Fixes
- 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.
How do I even out my plywood subfloor?
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.
Can I use self-leveling compound on plywood?
It’s absolutely possible. A self-leveling compound is a polymer-based concrete that can level pretty much anything. To use this on plywood, you’ve to get rid of all dirt and debris. Use a floor primer to coat the entire floor afterward.
How do you use 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.
What can I use instead of self-leveling compound?
Level 1 bry66 · 5y you can use thinset. A very basic one is 1 cement to 4 fine triple wash sand. You also do not need to use primer while using thinset. I just bought a house that has a concrete slab foundation, and it has some pretty severe floor sloping issues; I plan to tile floor.
How do you use a self-leveling compound on wood subfloor?
Using a Self-Leveling Compound on a Wooden Subfloor
- Clean the Wood Floor Thoroughly. …
- Seal all Cracks and Seams. …
- Install a Sill Sealer to Wall Bases. …
- Block Areas Where You Don’t Want the Compound to Flow. …
- Seal The Plywood Well. …
- Mark Low Areas For Best Results. …
- Buy the Right Self-leveling Compound.
How much does a 50 lb bag of self leveler cover?
approximately 40 Sq. Ft.
Coverage: One 50 Lb. bag will cover approximately 40 Sq. Ft. at 1/8 In.
How do you level a sloping floor?
Screw down wire mesh straight to the existing linoleum and pour self leveling compound to bring the slope. Mark off sloped areas and grind down high points next, identify and mark off the sloped areas using a leveling bar along the floor. Once done, vacuum up any dust and debris.
