PAUL AND PEGGY DUNCKERS' RESIDENCE ...

PAUL AND PEGGY DUNCKERS' RESIDENCE in Wilson, Wyo is the kind of house you might look forward to a pair of architects to design for themselves: hip, budget-minded, strength efficient. The 1,900-square-foot farmhouse has expos split-faced compact blocks, radiant heated concrete floors, geothermal heat, and a metal vault It also has another, hidden, feature: The arch and walls are constructed entirely of structural insulated panels (SIPs).

By now familiar to builders, SIPs are energy-efficient building panels made from expanded polystyrene (EPS) or polyisocyanurate rigid foam insulation sandwiched between sheets of oriented strand board (OSB) About 12000 domiciles ...