This wall has “concrete cancer,” a destructive chemical reaction that cracks and crumbles concrete years after it’s poured. It’s part of a series of NIST experiments to understand how the overall strength of a building is weakened by concrete cancer – officially called alkali-silica reaction (ASR). The reaction happens in moist environments when the original concrete is made with rocks and/or sand that have a tendency to react and cement. The interaction creates a white, yellowish, or colorless

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Some decisions are made for how a home looks. Others are made for how it 𝘱𝘦𝘳𝘧𝘰𝘳𝘮𝘴 𝘧𝘰𝘳𝘦𝘷𝘦𝘳… At Romeria Drive, we installed a specialized concrete mix for this pool that includes fly ash and an integrated water-prevention solution to protect against ASR (alkali–silica reaction). It’s not something you’ll ever see… But it’s something you’ll never have to worry about. This is part of how we build: anticipating issues before they exist, and choosing materials that stand the test of tim