Description
Turn corners, finish wall ends, and build columns on a medium-height retaining wall with the Belgard Terrace Wall Corner. This split-stone concrete corner block carries the same natural, hand-laid look across two finished faces, so outside corners and column wraps match the rest of your wall. Each unit is 6″ × 16″ × 8″ and is sold by the square foot of wall face. Belgard (Oldcastle APG) molds it from concrete with natural aggregates and through-body color, and backs it with a lifetime transferable limited warranty.
Color Choices
- Dakota Blend — mixed brown-grey with natural variation
- Harvest Blend — warm earth-tone brown
- Pewter Blend — neutral warm grey
Why Choose the Terrace Wall Corner
- Two finished split-stone faces — wrap outside corners and columns cleanly
- Matches the Terrace Wall system — same texture and color as the straight 6x16x12 wall block
- Through-body color — runs through the unit, so chips and saw cuts stay color-true
- Hollow two-core design — core-fill with 3/4″ clean stone for a stable, free-draining retaining wall
- Gravity walls up to 30″ — build taller with engineered geogrid reinforcement
Specifications
- Material: segmental concrete with natural aggregates
- Nominal size: 6″ × 16″ × 8″
- Sold by: the square foot of wall face
- Weight: about 45 lb per corner (~67 lb per square foot)
- Face: split-stone, two finished faces
- Color: integrated, through-body
- Max gravity height: 30″ (taller with geogrid)
- Min outside radius: 35.75″
- Manufacturer: Belgard (Oldcastle APG)
- Warranty: lifetime transferable limited
How Much Do You Need?
Each corner unit covers about 0.67 square foot of wall face (a 6″-high × 16″-long face), so roughly 1.5 pieces make one square foot. Measure the height and length of your corner runs in feet, multiply for square footage, and add about 5% for cuts. (Coverage based on nominal face dimensions — we’ll confirm at pickup.)
Where It Works
- Outside corners and finished ends on garden walls and retaining walls
- Freestanding or wall-mounted columns and pillars
- Raised planting beds, terraced gardens, and tree rings
- Wall steps and seat walls that need a clean corner return
Unlike poured concrete that needs forms and a long cure, the Terrace Wall Corner dry-stacks by hand and core-fills with clean stone for a solid, free-draining segmental retaining wall you can build over a weekend.
How to Install Terrace Wall Corners
- Excavate and compact a level, well-drained base trench, then set a leveling pad of crushed stone.
- Lay the first course dead level, alternating the corner unit’s finished faces to wrap each outside corner.
- Core-fill the hollow cores and backfill behind the wall with 3/4″ clean stone for drainage.
- Stack and offset each course; add engineered geogrid if the wall exceeds 30″ or carries a surcharge.
- Finish with coordinating Terrace Wall caps (sold separately).
Sold by the square foot at Garoppo’s — stop in for current pricing and pickup, or ask about local delivery within our service area.






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