Concord Wall™ - Available In
Shapes & Sizes
30 cm x 20 cm x 15 cm
11.75" x 7.875" x 5.875"
40 cm x 30 cm x 15 cm
15.75" x 11.75" x 5.875"
Coping / Step Tread
30 cm x 60 cm x 7.5 cm
11.75" x 23.625" x 3"
Wedge Cap Unit
33 cm x 24.8 cm x 8.6 cm
13" x 9.75" x 3.375"
May be available for this product. Minimum quantities will apply.
Garden WallRetaining WallSteps
|Face Feet Per||Linear Feet Per||Units Per||Per Bundle||Lbs Per|
|Stones & Bundling||Bundle||Unit||Bundle||Unit||Bundle||Face Feet||Layers||Sections||Unit||Bundle|
Notes: Wedge cap radius = 7', contains 8 Closed-end units per bundle. Closed-end not sold separately. All Concord Wall trade; is layered and shipped on refundable skid. Closed-end step tread is available.
For cross sections please visit https://www.risistone.com/product/concordwall/
Maximum height without setback 36" (under optimum conditions). Maximum height with setback is 42" (under optimum conditions). Higher walls can be achieved using geogrid reinforcement.
Unilock, through Risi Stone® Systems International, can provide preliminary site engineering for most commercial projects. Soils information, site drawings, and loading requirements are some of the information details required in order to provide this preliminary site engineering. Contact your local Unilock Representative for details.
Want help calculating your order?
Use our interactive paver calculator to get quick, easy and accurate specifications for your project!
ASTM C 1372 Standard Specifications for Dry-Cast Segmental Retaining Wall Units
Unilock meets and exceeds:
- C140 for Absorption and Compressive Strength > 3000 PSI
- C1262 for Freeze Thaw Durability <1% mass loss
- C1372 Overall dimensional variations permissable for width, height and length ± 1/8” (±3.2mm)
- NCMA Zone 3 Recommendations for de-icing salt exposure with Compressive Strength >5500 psi
Test results available upon request
Materials & Resources: LEED V4:
Building Product Disclosure and Optimization
Sourcing of Raw Materials – Sourcing of Raw Materials and Extraction • 1 point
Sourcing of Raw Materials – Leadership Extraction Practices • 1 point
Material Ingredient Reporting – Material Ingredient Reporting • 1 point
Material Ingredient Reporting – Material Ingredient Optimization • 1 point
Environmental Product Declaration • 1 point
HEALTH PRODUCT DECLARATION
Quickly and easily estimate quantities for your Wall Project, including block area, Geogrid and imported stone quantities, as well as Corners and Caps! Create professional estimation reports and automatically generate Plan, Elevation and Section views of your Wall in minutes. For further instruction, please view the tutorial here.
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