No, it is not recommended to apply water-based polyurethane over varnish as they are not compatible finishes. It is best to remove the varnish before applying the water-based polyurethane for a successful finish.
Yes, you can apply polyurethane over varnish for a durable finish.
Yes, it is possible to apply polyurethane over paint as a protective coating.
No, it is not recommended to apply linseed oil over polyurethane as they are not compatible finishes.
Yes, you can apply polyurethane over epoxy for a durable finish.
Yes, you can apply polyurethane over oil-based stain.
Yes, you can apply polyurethane over epoxy as long as the epoxy has fully cured and been properly prepared for the polyurethane application.
No, it isn't.
Yes, you can apply polyurethane over paint to provide a protective finish.
Yes, you can apply polyurethane over paint for added protection and durability.
Yes, you can apply polyurethane over Danish oil for a protective finish.
Yes, you can apply polyurethane over stain to achieve a smooth and durable finish.
Yes, you can apply polyurethane over stain to achieve a smooth and durable finish.