You will want to make sure to sand the floor before giving it a new layer of polyurethane to make sure you re starting from scratch.
How to re poly a floor.
If using oil based dampen with mineral spirits.
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.
Even if there s no finish currently on it sanding it will ensure a smoother surface that will give a noticeably better result when you re done.
Can polyurethane floors be recoated.
Check out my gear on kit.
This is the dust that will drop into your fresh new floor.
Yes a polyurethane finished hardwood floor may have additional coats of polyurethane applied.
Use the 5 to 3 brush to apply polyurethane to wood flooring edges and use the roller or pad to apply it to the center of the floor.
Applying polyurethane to hardwood floors.
Do it twice and use the brush around the walls.
Lightly sand with a dull 120 to 150 grit abrasive screen or 2 steel wool under a heavy floor buffer.
We walk you through e.
Polyurethane can bring out a beautiful color in your hardwood floor in addition to protecting it from heat and scratches.
If you re going to apply water based polyurethane dampen the cloth with water.
Sand the existing poly using 180 grit paper.
Sanding the floor before proceeding.
Use a buffer if you have access or spend a day on your knees with the half sheet.
Let the first coat dry for six to eight.
Start by choosing a type of polyurethane oil or water based as well as a finish matte or glossy and make sure your work area is well ventilated.
Sweep the floor and then damp mop it with water and white vinegar 10 1 ratio or go over it with a tack cloth.
Follow the grain of the wood when applying the polyurethane.
Hand sand corners edges and under cabinet kick plates.
Polyurethane is durable and provides a glass smooth finish that will protect your floor.
Use a brush or roller to apply a coat of polyurethane finish.