Why are my hardwood floors blotchy?

If your stain looks blotchy or uneven on your floors, it was probably caused by poor application technique or poor wood preparation. If your floors have not yet been coated with lacquer or varnish, or have already been stripped of any topcoat, you can even out the stain by sanding and then applying more stain.

How many times can a wood floor be sanded and refinished?

Hardwood flooring can be re-sanded up to 10 times, depending on how bad the floor is and how skilled the person doing the sanding is. It costs about $2.50 per square foot to refinish a floor, plus $50 an hour for patching and thresholds.

How do you fix uneven sanding?

How to Fix an Over-Sanded Spot of Wood

1. Step 1: Lightly Shade the Over-Sanded Spot. In order eliminate the spot, you’re going to need to sand the rest of the wood down to match that area, which means you need to be able to see when you’ve gotten the wood level.
2. Step 2: Sand the Wood Level.
3. Step 3: Erase Sanding Marks.

How do you fix an uneven floor finish?

Firstly, apply your dust mask.

1. Sanding. Gently sand the affected areas to even out the surface.
2. Mopping. Use the microfiber mop to clean up the wood powder.
3. Staining. Even if the floor looks great after you’ve sanded it, it will still need staining.
4. Sealing. Use a paintbrush or roller to apply a coat of polyurethane finish.

Can you sand hardwood floors too much?

Unfortunately, floorboards are only so thick. Too much sanding can wear them down until they’re too thin. When you refinish hardwood too many times, it becomes less structurally sound and more likely to crack. After a few refinishes, it’s probably time to get a full replacement.

Can a 2mm wear layer be sanded?

If you have a 2mm wear layer, you can safely sand and refinish it one to two times, giving it an estimated lifespan of 30 to 40 years. A 3mm wear layer can withstand three to four refinishes and has an estimated lifespan of 40 to 50 years.

What does over sanded wood look like?

If wood gets over-sanded in one spot, it starts to become uneven, with a distorted sort of appearance. This can happen to even the most experienced woodworker. Usually this starts simply by attempting to sand out a discoloration, defect, scratch or gouge.

Is two coats of polyurethane enough on hardwood floors?

We recommend at least 2 coats of oil based polyurethane + a lacquer sealer coat as a minimum for hardwood flooring. Extra coats = extra protection, but only one coat of oil based polyurethane may be applied per day, as it needs 24 hours to dry before applying another coat.

Why does my sanding look uneven?

sanding with uneven pressure will cause lots of trouble. Areas sanded with high pressure will turn darker than the areas sanded with less pressure after applying the wood stain. This will cause uneven color shades and surface blotchiness.

How do you fix a sanding mistake?

How many times can you Resand a hardwood floor?

Flooring professionals can sand away as much as 1/16 inches of wood with the coarsest paper. However, some engineered floors cannot sustain more than one heavy-duty sanding, as they may have a surface veneer of only twice that thickness.

How thick should solid wood flooring be?

between 5/16 and ¾ inches
Typically, solid hardwood flooring is between 5/16 and ¾ inches thick. Those are pretty standard thicknesses that serve most needs. Engineered hardwood can come in different thicknesses but generally, it’s about the same offerings as solid hardwood.

How many times can you refinish a 4mm wear layer?

On average, a 4mm wear layer can be sanded and refinished three to four times over its 50 to 80 year lifespan.