I just found some document fire protection on Amazon! Just have to figure out places to hide it!
https://www.amazon.com/Orion-Fireproof-Certificates-Fiberglass-Waterproof/dp/B06XKGQLVG/ref=sr_1_7?ie=UTF8&qid=1495299001&sr=8-7&keywords=waterproof+fireproof