Comment by xnx

Concrete is probably underutilized as a building material for homes in the US. Though there are high carbon costs for cement production, there are a lot of benefits to concrete: very strong against wind, very fire resistant, impervious to most pests, sound proofing, air-tight, good insulator when sandwiched with foam. https://www.iconbuild.com/ isn't yet 3D printing concrete homes at scale, but they have a small neighborhood of some really good looking homes going up in Texas.