How to Grade Around a Foundation - This Old House - YouTube
Dry well: a pit, usually filled with coarse stone, into which water is conducted for leaching out into surrounding soil.
NDS drainage products being installed. Connect downspouts into an NDS basin to get water away from the property foundation.
SPLASH BLOCKS AND UNDERGROUND DOWNSPOUTS DIRECT WATER
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▶ Waterproof Your Foundation, How To trench , seal wall, add pipe and gravel. Step by Step Install - YouTube