Glossiness problem

Hey, I’ve been trying to produce this type of glossiness in Unreal engine :


But here is the result I’ve come with :


Do you have a solution to my problem ?

Thanks in advance

That looks like a tinfoil wall rather than a smooth wall with holes in it, so maybe try to look for something like a rough silver metallic material.Edit, tried it, a normal silver metal, roughness ~0.15, but a good normalmap texture to get this rough look (search for scratched metal or rock textures).

We’re searching on how to make that twinkle effect, here is our progress with it :

But when we disable realtime here is the result with same actors and materials :