Oil based poly is simply more durable and lasts about twice as long as water based polyurethane.
Oil vs water based polyurethane floor.
Oil based contain 45 50 solids you will need to add more coats of water based poly.
It s due to the chemical makeup.
These solids are what make up the poly s protective finish.
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As it ages the amber hue deepens.
Water based polyurethane cost is two to three times higher than oil based products.
Water based and oil based polyurethane each offer good protection.
And when you add in an extra 1 2 coats your cost will increase further.
Water based polyurethane dries clear and remains clear.
Polyurethane is actually the most durable hardwood floor finish.
Oil based poly has an amber hue whereas water based poly is clear.
Ideal for light colored wood.
Oil based poly s have 45 to 50 of solids while water based polys only contain 30 to 35 of solids.
Summary comparison of water based vs oil based polyurethane.
Water based poly tends to cost more than oil based poly.
Keep in mind that the finish may look a little milky in the can but it dries clear.
Darkens the color of wood adding yellowish tone amber tone continues to darken over time.
Doesn t change color of wood dries clear and stays clear.
An oil based polyurethane will continue to amber and darken over time while water based poly will remain clear for the lifetime of the hardwood floor.
The biggest difference is in appearance.
More suited for dark color wood.