What do you guys & Gals use to fire proof your powder in storage

Common sense...

My preference is to store it inside brass cases with lead stoppers.... Dutch.

If you look around on line you can find the federal fire regulaions for powder storage. I think the limit is 50 pounds in the house and even more in the car. They want 1" thick wooden boxes and not metal boxes.
They don't burn your village for violations like with firearm laws.