In the 1960s, Betsy Frederick’s grand parents’ property in Owls Head, Maine, was struck by lightning. It caused a fire that cleared a half acre on a small hilltop, close to where members of her family still live. Wanting to raise their two children there, Betsy, a midwife, and her husband, Andrew, who runs his design-build firm Croft (which makes carbon-sequestering prefab panels), located a site on the hill to create a new home for their family. Andrew relied on his architecture education and carpentry background to build it largely himself, by hand.
Part of the go-it-yourself plan was to avoid labor costs, which would have eaten into the budget, but Andrew and Betsy also wanted to touch every part of the process to create the healthiest and most environmentally friendly…
