Exterior, House Building Type, Flat RoofLine, and Metal Siding Material Architects Tiffany Bowie and Joe Malboeuf’s Capitol Hill, Seattle, infill project was completed for $189 per square foot. Its street-facing facade is clad in prefinished siding from Taylor Metals, and cedar shaped and cut with CNC technology. The couple was inspired by the porthole windows of the Maritime Hotel in New York City, one of their favorite buildings.  Architects Get Crafty With Budgets to Build Cost-Effective Modern Homes by Diana Budds