Structural Steel, Project #703 Structural steel – Project #703 Photo 1 732 views FacebookXPinterestEmail Outdoor living space roof with exposed hot dipped galvanized steel. Sebastopol has some nice scenery! 703 architectural grade structural California exposed structural steel HDG hot dipped galvanized iron work red iron Sebastopol Sonoma County Steel structural structural steel structural welding Previous Structural steel – Project #703 Photo 3 In SeriesStructural steel – Project #703 Photo 3Structural steel – Project #703 Photo 4Structural steel – Project #703 Photo 5Hot dipped galvanized stair and railing – Project #703 Photo 6Hot Dipped Galvanized Sun Shade – Project #703 Photo 7Structural steel – Project #703 Photo 1Structural steel – Project #703 Photo 2