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SIENASTONE SMOOTH®

Bold and dramatic, this large scale wall block (smallest unit weighs 380lbs each) strikes an impressive profile when used for a heavy-duty retaining wall or as treads in large outdoor staircases. The long lines and split face of SienaStone makes it an attractive alternative to more utilitarian-looking wall blocks. Build gravity walls up to 10ft (3m) or grid reinforced walls up to 40ft (12m) high with proper engineering under typical conditions. Coping units are also available.

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SIENASTONE SMOOTH®

Bold and dramatic, this large scale wall block (smallest unit weighs 380lbs each) strikes an impressive profile when used for a heavy-duty retaining wall or as treads in large outdoor staircases. The long lines and split face of SienaStone makes it an attractive alternative to more utilitarian-looking wall blocks. Build gravity walls up to 10ft (3m) or grid reinforced walls up to 40ft (12m) high with proper engineering under typical conditions. Coping units are also available.

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Structural Walls
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STEP 48"
1,200mm x 180mm x 500mm
47 1/4" x 7" x 19 3/4"
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STEP 48"
1,200mm x 180mm x 500mm
47 1/4" x 7" x 19 3/4"

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Classic
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Classic

Our budget-friendly, Unilock Classic pavers and walls are manufactured to exceed ASTM standards for quality and strength. Available in classic shapes and styles, these products utilize a traditional product mix of large and small aggregates that is consistent from top to bottom with color mixed throughout.

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SienaStone Smooth®

SienaStone is an engineered large module (min 500 lbs/250 kg ea.) retaining wall system with incredible capacities for both gravity walls and reinforced walls. SienaStone is mostly used in commercial applications or in residential applications where higher and stronger structural walls must be constructed.

Applications – Structural retaining walls for large embankments.

Capacity – Gravity walls up to 13’ (4m). Geogrid reinforced walls up to 39 ft. (12m).

Recommended Base Stabilization – one layer of DriveGrid stabilization grid between subgrade and base material. Use under Standard Base or Permeable Base.

Standard Base – Min. 6” – 8” of ¾” Crusher Run gravel (any road base standard in accordance with ASTM-D2940) compacted to 98% Standard Proctor Density (SPD).

Alternative Permeable Base – Min. 6” – 8” of ¾“ clear open-graded stone compacted to achieve full particle lock-up and consolidation. (Clear open-graded does not compact but does consolidate slightly by rattling the particles together.)

Leveling – Install SienaStone directly on a compacted granular base. Install level end to end as well as front to back. Poured concrete leveling pads, reinforced with rebar, are also a great way to accomplish leveling, especially for larger installations. You must ensure that the concrete is poured and finished perfectly in order to achieve a good visual appearance.

Connection – features a tongue and groove connection. Use appropriate concrete adhesive for connection between units where the key has been removed or for corners. Always read adhesive manufacturers’ directions prior to gluing.

Handling – This is a mechanically placed wall system. Special clamps for lifting are available for use during project.

Coping - This wall requires the SienaStone specific coping. Coping attaches with tongue and groove connection. No adhesive required.

Layers per BundleLin Ft per Bundle - SoldierUnits per BundleUnits per LayerUnits per FcFtLbs per LayerLbs per BundleLbs per UnitLin Ft per Layer - SoldierLin Ft per Unit - SoldierFcFt per LayerFcFt per BundleFcFt per Unit
STEP 48"
Layers per Bundle3
Lin Ft per Bundle - Soldier24
Units per Bundle6
Units per Layer2
Units per FcFt0.43
Lbs per Layer1,080.50
Lbs per Bundle3,241.50
Lbs per Unit540.25
Lin Ft per Layer - Soldier8
Lin Ft per Unit - Soldier4
FcFt per Layer4.65
FcFt per Bundle13.95
FcFt per Unit2.33

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