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What 590 meters of ribbon says about Bover's Mediterranean craft
Thirty years in, the Catalan lighting house still measures its work in hours of hand labor — and that math matters for how a room feels.

Thirty years in, the Catalan lighting house still measures its work in hours of hand labor — and that math matters for how a room feels.

Concrete looks like it should last forever, but carbonation and rebar corrosion can break it apart from the inside. Here is how spalling starts, why water speeds it up, and what keeps concrete buildings sound.

Good walls assume water will get past the outer skin, then give it a managed exit. A plain guide to rain screens and metal cladding.