Pro Resources
Block Wall Base
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Trench base and drainage rock for segmental block retaining walls. The block brand doesn’t matter — the base under it does.
Retaining Wall Base & Backfill
Estimates Class 5 for the leveling trench and clear rock for drainage behind the wall.
Class 5 trench base
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Clear drainage rock
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12" column behind the wall, full height
Wall face
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Square feet of wall face
Base & rock we stock
Class 5 Recycle - (CY)
From $37.70
3/4” Clear Limestone - (CY)
From $76.70
Class 5 Trap Rock - (CY)
From $53.30
Heads up: assumes a 6" compacted base with a 15% allowance and 7% on clear rock, rounded up to the half ton. Bury the first course. Walls over 4 ft (or holding back a driveway or structure) should be engineered — call the yard and we’ll help you spec it.
Ready to order?
Send us these numbers and we’ll quote the load same-day.