Zinsser Bin

I read that I should have started with a product like Zinsser shellac based Bin. We do not sand the paneling. What is our next step? Should we do a third layer of shellac?

Search box on the primary, he is said to be a primer over glass? If she says yes you are good to go.Most Zinsser primers cover a glossy surface. Yes, you really should have scratched the surface for better grip, but already made. Paint as usual and then seal with spray varnish that helps when you nick the surface and prevent further separation of the base. You should be fine.