When it comes to tiles, Mankins turns to Italian manufacturer Floor Gres for its wide range of products. Shown in this Substance-designed bathroom, the tiles are made "to extremely high tolerances, reducing the need for wide, ugly (and vulnerable) grout joints," the architect says. Floor Gres Ceramiche, 39.0536.840111; www.floorgres.it.
Paul Mankins, FAIA, LEED AP
Des Moines, Iowa