Have you looked at the issues with lead paint?

What are the issues

You don’t need to go that far. Get one of these

EMP & Lightning Protection - EMP Shield

If you really want to go overboard install a steel roof and run a few ground wires. It kind of depends on the purpose of your application.

Thanks! I am redo-ing a couple rooms, so I had to remove the already-existent plaster walls which kept the RF levels very low in the house. So my intention is to keep them low as I will probably have to replace the walls with drywall. I will check out the link you sent and update how things go

I’ve definitely heard plenty of cautions against lead paint and lead in general. I wouldn’t go out of my way to paint my house with lead paint; I just have heard that it blocks EMFs.

Update: I think we might have mixed up EMFs and EMPs. I’m not as concerned about EMPs as I am about high levels of RF radiation.