Salt
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We’re Pouring Millions of Tons of Salt on Our Roads
The use of salt to de-ice roads and parking lots has skyrocketed in recent years. As environmental consequences emerge, scientists propose creative solutions.
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Efflorescence = Water Damage — Building Science Podcast
The white powder on the surface of brick, block, and mortar between rocks is water and salt attacking these porous materials. In new construction you can prevent it — in old houses, you can only control it.