Yes a polyurethane finished hardwood can be recoated if you take the proper steps to prep the finish.
Reapply polyurethane wiyhout stripping floors.
If you have a polyurethane wood floor where parts of the finish are starting to wear off you can re stain these areas without sanding the surface.
However if you wish to lighten the color it is not as simple as applying a light color of polyshades over it you will need to strip the existing finish first.
Can i apply polyurethane over a wood floor without having to first strip off the old polyurethane.
If you re going to apply water based polyurethane dampen the cloth with water.
Use a paintbrush to apply it evenly over the wood slightly overlapping brushstrokes for complete coverage.
Maybe you re staring at a piece of furniture you want to refinish or perhaps your hardwood floors need a touch up.
Apply the mixture onto the polyurethane finish covering the stained wood.
It s best to apply polyurethane to flat as in level surfaces so the finish can self level and is less likely to drip.
Lightly sand your floor.
When applying polyurethane on vertical surfaces you may experience drips or runs.
Minimize this problem by applying thinner coats or by switching from standard brush on poly to a wipe on or spray finish both of which can be applied in very thin coats.
Create your varnish removal mixture.
How to remove polyurethane from wood without chemicals step 1.
Wait about 10 seconds for the mix to dissolve the finish.
2 steel wool or a dull 120 to 150 grit abrasive screen using a heavy floor buffer.
Polyurethane is a type of wood stain that can be applied to natural wood to help it retain its appearance and durability.
How to remove polyurethane.
Boil 4 cups of water and remove it from the stove.
Make it more red or brown without darkening it polyshades can help.
However feel free to use whichever brand you prefer.
To keep outdoor dust and particles away from the surface applying polyurethane should take place in a well ventilated room indoors with an open window or fan to circulate fresh air.
Regular maintenance will prolong the life of your floor.
Usually there is little or no loss of polyurethane and no danger of damage to the wood floor after only five to seven years of use.
If you have a lacquer based finish you might consider using a new lacquer that is polyurethane.
Either way you re faced with the challenge of taking off a coating of polyurethane which is a.
Using a sanding block or 1 4 sheet sander sand the corners edges and.
Mix together 1 2 cup cold water and 1 cup cornstarch until it creates a thick paste.
If using oil based dampen with mineral spirits.
Pour your 4 cups of water into a bucket and add 3 4 cup baking soda and 1 tbsp of vinegar.
If you determine that your floor has an oil finish hardwax oil is a good product to use for your refinish.
Now is the process that will likely take a bit of time.