Exterior, Metal Siding Material, and House Building Type The exterior of Jayna Cooper's house in Los Angeles. "As I was designing my house I kept in mind standard lumber and plywood sizes so that there would be minimal waste," she says. "When choosing materials, I did basic research on cost per square foot and picked out some of the least expensive materials in the building industry. Basic, inexpensive stuff like corrugated sheet metal, stucco, and drywall can look really great if it’s incorporated into the design in a modern and well-thought-out way."  Photo 7 of 7 in Hand-Made Houses

Hand-Made Houses

7 of 7

The exterior of Jayna Cooper's house in Los Angeles. "As I was designing my house I kept in mind standard lumber and plywood sizes so that there would be minimal waste," she says. "When choosing materials, I did basic research on cost per square foot and picked out some of the least expensive materials in the building industry. Basic, inexpensive stuff like corrugated sheet metal, stucco, and drywall can look really great if it’s incorporated into the design in a modern and well-thought-out way."