Saving your stonework when others fall short.
Saving your stonework when others fall short.
The Black Crust: More Than Just Grime When I walk up to a limestone building that has been sitting in an urban corridor for eighty years, I don’t just see a dirty wall. I see a slow-motion chemical war. That black, soot-like skin clinging to the protected areas of the cornices and window headers isn’t […]
The Tragedy of the Blasted Brownstone I remember standing on a scaffold in the rain, looking at a 19th-century facade that had been ‘cleaned’ by a handyman with a 4,000-PSI power washer. The man thought he was doing the homeowner a favor by stripping away the soot. Instead, he had literally skinned the building. The […]
The Forensic Scene: When the Crust Conceals a Catastrophe The homeowner thought it was just a hairline crack. But when I put my scope inside the cavity of that 1908 brownstone, I saw the structural steel was rusted to dust, expanded to three times its original thickness, and was literally Jacking the stone facade off […]
I walked onto a site last Tuesday where the so-called specialist had used a 40-grit blast on a late 19th-century facade. It looked like the building had been pelted with birdshot at point-blank range. The homeowner thought they were getting a fresh look, but instead, they had effectively sandpapered the life out of the masonry. […]
The Forensic Reality of Decaying Stone The homeowner thought it was just a hairline crack, a minor blemish on a century-old legacy. But when I put my scope inside that fissure, I saw the structural steel lintel was rusted to dust, expanding with the force of oxidized iron and pushing the stone out by three […]
The Forensic Scene: A Facade Stripped of Its Soul I walked up to a 1910 Queen Anne in a historic district last October where the owner was beaming with pride. He’d just spent twelve thousand dollars having the ‘grime’ removed from his exterior. As I ran my hand over the wall, my palm didn’t meet […]
The building manager thought it was just a bit of peeling paint on the 14th-floor lintels. But when I got up there on the swing stage and put my borescope into the cavity, I saw the structural steel angle was rusted to a flakey, orange dust, expanding with enough force to heave three courses of […]
The White Ghost in the Wall I’ve spent thirty years watching buildings sweat. To the untrained eye, those chalky white streaks on a commercial facade are just a bit of ‘old building character.’ To me, it’s a forensic crime scene. That white powder—efflorescence—is the building’s way of screaming that it’s drowning from the inside out. […]
The Death of the Fire-Skin: A Cautionary Tale I’ve spent forty years listening to the language of stone, and nothing makes me grit my teeth harder than the sound of a 4000 PSI pressure washer screaming against a 19th-century facade. To the untrained eye, that blast of water looks like progress. To a forensic mason, […]
You see it every spring. You walk out onto your porch, and there it is: a fine red dust and chunks of brick face lying on the concrete like shrapnel. Most homeowners ignore it, thinking it is just the house ‘settling.’ Most handymen will tell you to just slap some hardware-store sealant on it and […]
