ISSUE 13  |  Urban Living

Architectural Detail: Butcher Block Stairs by Casper Mork-Ulnes

April 02, 2010 4:45 PM

BY Janet Hall

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A while back, I toured the San Francisco home of Casper Mork-Ulnes (see Architect Visit: Mork-Ulnes in San Francisco) and was intrigued by the stairs made of close to twenty stringers sandwiched together. Stair stringers are typically hidden from view; customarily, three stingers are used as supports for the stair treads and risers. "The board are Douglas fir and were salvaged from the attic," Mork-Ulnes says. "We stripped the paint from the boards and planed them down so we could glue each board together. It is essentially a butcher block stair."

Above: A side view of stair stringers.