https://www.redfin.com/blog/building-a-fireproof-house/

REDFIN: In wildfire-prone territories, homeowners can employ fire-resistant deck building products to create the ultimate outdoor living scenario. Options like pre-engineered steel deck framing systems deliver proven fire-resistance, strength and performance to support deck functions, while giving play to today’s in-demand rustic, industrial aesthetic. Plus, given the volatility of the lumber market, fire-thwarting alternatives to traditional framing materials don’t push as hard against a budget as they once did.