For example, oil or wax, they do not bond well with polyurethane. It may add a hint of yellow but it isn’t really a problem when finishing floors. Didn’t find any info regarding uv protection, but it works great indoors. I would recommend using General Finishes Polyurethane Topcoat. But remember, any clear coat may yellow,… Continue reading Best Polyurethane For Treating Artworks, Furniture, And More