We have 10 unused metal stair treads for sale–super strong, industrial, non-slip style. Contractor purchased the wrong ones. They are 4’Long x 9+1/2″W x 1+1/2″ H Pick up in Brooklyn. Asking 150 for ...

Lloyd Alter is Design Editor for Treehugger and teaches Sustainable Design at Ryerson University in Toronto. Alternating tread stairs are terrific for saving space; you only put one foot on a tread at ...

Brooklyn office Caliper Studio have completed an apartment in New York that features a very complicated stainless steel staircase. Called Genetic Stair, the fifteen-foot staircase has Corian treads ...