Retrofitting a First Floor--Demolition and Shoring

Retrofitting a First Floor--Demolition and Shoring

A Victorian-era house's shallow spreadfooting foundation had settled over the years, causing the wood floors of the four-square home to sag, buckle, and splinter.

Retrofitting a First Floor--Demolition and Shoring

The author began by removing the original flooring.

Retrofitting a First Floor--Demolition and Shoring

The exposed foundation and floor framing. Ductwork, wiring, bathroom fixtures, and plumbing also had to be pulled.

Retrofitting a First Floor--Demolition and Shoring

The exterior walls were balloon-framed, with the joists notched into the original sill; here it would be easy to pull the joists without disturbing the walls.

Retrofitting a First Floor--Demolition and Shoring

At the center girder, however, the crew had to provide shoring with short blocks set on plates so that the first-story bearing wall would be supported as the joists were cut away.

Retrofitting a First Floor--Demolition and Shoring

A view of cutaway joists

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