A Sound Foundation

A successful mound or at-grade system installation starts with proper preparation of the ground surface
A Sound Foundation
Clean sand is stockpiled around the perimeter of a new mound system to be placed after the soil is scarified.

As we travel around the country, we often talk to installers about aboveground systems. We explain how soil treatment mound systems and, in the last decade, at-grade systems are designed to solve specific soil problems, including lack of separation distance to a limiting soil layer...

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