Fiberglass cement siding is a composite made of Portland cement ... window and door openings and other features around the house, and adjust the exposure to avoid having to rip narrow pieces.
This couple built specific fire resilient features into their home years ago. Their house survived the deadly Palisades Fire, while other homes in their neighborhood burned to the ground.
Instead of the concrete for foundations, walls, or even the landscaping - one area that doesn't get a lot of attention is the siding. One of the products on the market addresses just that.