Oil-based polys are the mainstay of floor finishing and widely used by professional finishers.
Although they are tough, long-lasting, and less-expensive than water-based polys have a higher VOC content and stronger odor during application. A coat takes 8 to 10 hours to dry, so you’ll want to vacate your house until the floor is completely dry-and bring your pets with you. two to three coats are recommended.
Professional floors refinishers report some problems when using an oil-based poly over water-based poly. Best advice: Don’t do it.
Especially good for: professionally finished floors at a reasonable price.
Cost: $30 to $40 per gallon covers 500 to 600 square feet; it’s $2 to $4 per square foot to have a pro do it.