# Blackness in Radeon ProRender

I'm trying to use Radeon ProRender and it's materials library, however I meet a problem: some parts of objects with default materials (Bronze Brushed and Fabric Matte Solid Beige) look black:

How can I fix these black parts?

• @RayMairlot please don't remove the tag, I added it intentionally because it is relatively popular topic, and I also proposed fine description to it. Jul 3 '20 at 13:56
• Hi. I removed it for a reason. Using this search you can see there are approximately 11 questions which might warrant the radeon pro-render tag. Based on that, I don't think it needs a tag yet. Also, were we to create a tag for this, we would probably want it to conform to the render engine tag format: 'NameOfRenderEngine-render-engine' (but that is not a suggestion for you to make that tag as I still don't think it's needed). Jul 3 '20 at 14:08

I found that I can fix the Fabric material setting lower value to the Reflection Weight than default 1.0: