Can I Put Oil Based Polyurethane Over Water Based Polyurethane
How to Apply Oil-Based Polyurethane Over Water-Based Polyurethane
Practiced preparation is the key
Recoating a water-based acrylic floor finish with oil-based polyurethane is not usually a problem, so long every bit the old cease is properly buffed and cleaned earlier applying the new finish.
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Brainstorm with a screening
Flooring wholesalers and veteran flooring finishers concord that you can recoat h2o-based poly with oil-based equally long as the original blanket has completely cured—more often than not xxx to lx days. You'll have to lightly vitrify the old finish with a power buffer to prepare it for the new polyurethane.
Rent a power buffer and buy a fine (150-grit) screen. Utilise a light touch to avoid cutting through the stop and into the stained forest. Before applying the polyurethane, vacuum the floor thoroughly and so wipe upwardly the remaining dust with a cloth dampened with mineral spirits.
Ventilate the area well and wearable a respirator rated for organic fumes (follow the label warnings on the polyurethane can) when applying the end. Stay off it overnight and give information technology a few days to cure earlier bringing in article of furniture or laying rugs down (or they may stick permanently!).
Required Tools for this Projection
Have the necessary tools for this DIY project lined upward before you lot get-go—you'll save fourth dimension and frustration.
Y'all'll also demand a power buffer, sanding screens, and a respirator rated for organic fumes.
Required Materials for this Project
Avoid last-minute shopping trips by having all your materials ready ahead of fourth dimension. Hither'south a list.
Source: https://www.familyhandyman.com/project/how-to-use-oil-based-polyurethane-over-water-based-polyurethane/#:~:text=Begin%20with%20a%20screening,it%20for%20the%20new%20polyurethane.
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