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Will Volclay dry out after being hydrated?

April 26, 2017dry hydrated volclay

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Will Volclay dry out after being hydrated?

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No. Volclay does not dry out after being hydrated in a below-grade waterproofing application. Volclay, once wetted, will remain hydrated even when the moisture content in the adjacent soils decrease. This is because Volclay has been forced-dried at 650°F (330°C) to an 8% bonded moisture content from its natural 25-30%. Therefore, Volclay has a great affinity for water, and once mechanically bonded, doesn’t let it go.