RETAINING WALLS

Terraced Concrete Block Walls

Salem, NH · Completed 2025

Terraced Concrete Block Walls
420 face sq ft SIZE
11 working days TIMELINE
$28,000 – $38,000 BUDGET RANGE
2025 COMPLETED
The build

The build

The original pressure-treated timber wall had rotted at grade and was leaning badly into the yard. There was no drainage behind it at all — the excavation confirmed backfill straight against the timbers.

We took it out, excavated the reinforced zone, and built two segmental block tiers with geogrid at engineered intervals. Twelve inches of clean stone and a filter-wrapped drain pipe sit behind each face, outletting at both ends.

The setback between tiers gives the homeowners a planting terrace that softens what was previously a blank wall face.

Materials & specification

Segmental retaining wall block
Geogrid reinforcement
3/4" clean drainage stone
4" perforated drain with filter fabric

Where this one started

Where this one started

BEFORE
AFTER

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