Bentonite

 Bentonite is a natural expanding clay, that when exposed to moisture can expand 15 times or more. Mixing Bentonite into your soil in the correct ratios will help to keep surface water from penetrating into your foundation. The goal is to create a relatively impervious layer around your foundation which will not allow the majority of the water to pass through during precipitation events.  Ratios will vary depending on the soil. 

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