
Oil based polyurethane over water based. Oil based over water based when using an oil based topcoat over a water based stain or milk paint allow water based finishes such as hp topcoat to dry at least 24 hours before coating with an oil based product other tips oil based finishes amber over time. Flooring wholesalers and veteran floor finishers agree that you can recoat water based poly with oil based as. If you love the natural look of maple apply a water based waterborne polyurethane. If you wait for the oil based stain to properly dry cure its no longer oily.
Oil and water are famous for repelling one another and not mixing. Theres an ongoing debate over which is more durable long lasting. Some still insist that durability is the main deciding factor between water based oil based polyurethane. If you already laid down a water based finish and decided to go for an oil based one do not fret.
If possible it is always best to use an acrylic based varnish for water based paints and oil based varnish for oil based paints to ensure good results. Sand to obtain a smooth uniform surface. Do not use them over white or very light colors. Both water based and oil based poly offer good protection.
Can i apply water based polyurethane over an oil based stain. Durability of water based vs oil based polyurethane. However oil based varnishes typically have a natural amber tint and often become more yellow over time. Oil based used to be unquestionably more durable.
With a little bit of extra time and preparation you can apply the oil based finish right over the water. Its actually the most durable hardwood floor finish. Surface must be dry and free of old finishes in poor condition paint wax grease polish dirt or other foreign matter. This is because the curing process for oil is polymerisation and polymerised oil is akin to resin.
They appear milky in the can but go on clear and remain clear. The biggest difference is in appearance. Do not use steel wool. Recoating a water based acrylic floor finish with oil based polyurethane is not usually a problem so long as the old finish is properly buffed and cleaned before applying the new finish.