SienaStone™
Make a solid statement by anchoring your design with SienaStone.
Bold and dramatic, SienaStone (over 450 lbs ea.) strikes an impressive profile when used for a wall or as treads in large outdoor staircases. It combines the stability of large modular units with the popular natural rock-like appearance for an attractive solution for most heavy-duty load-bearing applications.Colors
Brown
Available only in 48" closed-end coping/steps
Granite
Available only in 48" closed-end coping/steps
Mahogany
Available only in 48" closed-end coping/steps
Natural
Nevada
Available only in 48" closed-end coping/steps
Brown
Closed-End Coping is available as a Stock Item
Granite
Natural
Closed-End Coping is available as a Stock Item
Nevada
Sierra
Custom Options
Shapes & Sizes
Standard 333
120 cm x 33 cm x 18.5 cm
47.25" x 13" x 7.25"
Standard 500
120 cm x 50 cm x 18.5 cm
47.25" x 19.625" x 7.25"
Standard 925
120 cm x 92.5 cm x 18.5 cm
47.25" x 36.375" x 7.25"
Corner 45° (left & right)
110 cm x 50 cm x 18.5 cm
43.25" x 19.625" x 7.25"
Corner 90° (left & right)
110 cm x 50 cm x 18.5 cm
43.25" x 19.625" x 7.25"
Coping
120 cm x 50 cm x 18.5 cm
47.25" x 19.625" x 7.25"
Closed-End Coping
120 cm x 50 cm x 18.5 cm
47.25" x 19.625" x 7.25"
Corner 45°
92.5 cm x 50 cm x 18.5 cm
36.375" x 19.625" x 7.25"
Special Order
Corner 90°
92.5 cm x 50 cm x 18.5 cm
36.375" x 19.625" x 7.25"
Special Order
Wall 333 - 39
100 cm x 33 cm x 18.5 cm
39.375" x 13" x 7.25"
Wall 500 - 39
100 cm x 50 cm x 18.5 cm
39.375" x 19.625" x 7.25"
Wall 925 - 39
100 cm x 92.5 cm x 18.5 cm
39.375" x 36.375" x 7.25"
Coping Closed End 48
120 cm x 50 cm x 18.5 cm
47.25" x 19.625" x 7.25"
Available in Granite only
Coping 39
100 cm x 50 cm x 18.5 cm
39.375" x 19.625" x 7.25"
Standard Coping
120 cm x 50 cm x 18.5 cm
47.25" x 19.625" x 7.25"
Special Order
Features
Custom Colors
May be available for this product. Minimum quantities will apply.
Applications
Engineered Retaining Wall
Retaining Wall
Steps
Special Order
Minimum quantities apply
Surface Texture
Standard
Packaging
| 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 |
| Standard 333 | 21.63 | 2.4 | 36 | 4 | 9 | 0.42 | 380 | 3420 | ||
| Standard 500 | 14.42 | 2.4 | 24 | 4 | 6 | 0.42 | 570 | 3420 | ||
| Standard 925 | 7.21 | 2.4 | 12 | 4 | 3 | 0.42 | 1140 | 3420 | ||
| Coping 48" | 14.42 | 2.4 | 24 | 4 | 6 | 0.42 | 570 | 3420 | ||
| Coping Closed End 48" | 14.42 | 2.4 | 24 | 4 | 6 | 0.42 | 570 | 3420 | ||
| Corner 90° (dbl unit) | 19.11 | 6.37 | 3 | 0.16 | 1140 | 3420 | ||||
| Corner 45° (dbl unit) | 19.11 | 6.37 | 3 | 0.16 | 1050 | 3150 | ||||
Notes: *Special Order in select regions - lead time required, minimum quantities apply. All Special Order items are sold in full bundles only. Custom colors available (minimums apply). Coping units can be used to construct steps. Siena Stone corners are sold as double units (one left and one right). All measurements are nominal. Contact Unilock for more information.
Patterns
For cross sections, please visit https://www.risistone.com/product/sienastone/.
Important Information
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!
TECHNICAL INFORMATION
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
LEED INFORMATION
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
Wall Specifications
Siena Stone 925mm Units Gravity Retaining Wall Installation Specifications
Siena Stone Geogrid Reinforced Retaining Wall Installation Specifications
Siena Stone Gravity Retaining Wall Installation Specifications
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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All measurements are nominal
Colors, product data, and availability are subject to change without notice. Please confirm all details with your local Unilock Dealer or call 1-800-UNILOCK (1-800-864-5625) for availability in your area. The colors shown should only be used as a guide. Final color selections should always be made from actual samples.