use a compactor on the soil behind your completed retaining wall, after adding your 12-plus inches of drainage gravel. Water-saturated soil can cause tremendous hydrostatic pressure to be exerted on ...

2. To avoid soil shifting and damaging the wall, retaining walls should rest on cut or undisturbed ground, not landfill, and have a footing roughly two times the width of the wall and as deep as ...

Walker Risk Management specializes in unseen walls, which are out of sight, or timber tie retaining walls, or interlocking concrete blocks. They all have material anchoring the wall to the soil.

I want to build a retaining wall that’s going to look great for years. ... for goodness sake, with no soil pressure against it. Skip to main content Spokane, Washington Est. May 19, 1883 ...

Lack of gravel backfill behind your wall keeps water trapped near the structure. Over time, this water-heavy soil exerts ...