TF Stairs introduces expanded custom stair tread solutions designed for Florida's luxury homes, combining craftsmanship, innovation, and timeless design to elevate modern and traditional spaces. NEW ...

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 ...

The only architectural vestige of the World Trade Center complex still standing aboveground, the “survivors’ stairway,” would be largely demolished under a proposal by the Lower Manhattan Development ...

Witches' stairs have alternating treads to fit in narrow spaces. The myth suggests witches' stairs warded off witches, but this is false. The design was popularized by Thomas Jefferson for small ...