Installation Guide

The structural unit that set the original bar has raised it. The Keystone Standard III unit’s improved design, combines

with sound engineering, to create a commercial retaining wall solution that provides unrivaled structural stability and

efﬁciencies. From backyard landscaping to large, load-bearing reinforced structures, the Keystone Standard unit’s face

styles, colors and design possibilities make it a favorite of architects, engineers and contractors worldwide.

FEATURES & BENEFITS

III

Unit Dimensions:

8"h x 18"w x 18 - 21"d

(203mm x 457mm x 457 - 533mm)

Unit Weights:

85 - 96 lbs (39 - 44 kg)

Units/sq.ft.: 1

Pin Speciﬁcations:

½" x 5¼" Fiberglass Alignment Pins

(13mm x 133mm)

Straight Split

STRUCTURAL WALL | KEYSTONE STANDARD

III STRAIGHT SPLIT

Note: Unit color, dimensions, weight & availability varies by manufacturer.

Aesthetics

• Variety of colors complement any

landscape.

• Natural stone texture appearance.

• Capping and corner units available.

Maximum Versatility and Performance

• Height-to-depth ratio delivers superior

construction stability, durability, and strength.

• Higher unit-to-unit shear resistance.

• Open cores allow for gravel interlock across

block interfaces.

• Near vertical or battered installation options.

Ease of Installation

• Trapezoidal shaped sides offer ease in constructing radii.

• Tail design shape makes for easier handling in the ﬁeld.

• Triangular shaped pin connection hole allows for

installer-friendly construction adjustments.

• The Standard III design results in decreased unit weight.

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S T R U C T U R A L W A L L | K E Y S T O N E S T A N D A R D® I I I S T R A I G H T S P L I T III The structural unit that set the original bar has raised it. The Keystone Standard III unit’s improved design, combines with sound engineering, to create a commercial retaining wall solution that provides unrivaled structural stability and efficiencies.
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S T R U C T U R A L W A L L | K E Y S T O N E S T A N D A R D® I I I S T R A I G H T S P L I T III INSTALLATION INSTRUCTIONS Prepare the Base Leveling Pad. Excavate the base trench to the designed width and depth. Start the leveling pad at the lowest elevation along the wall alignment. Step up in 8" (200mm) increments with the base as required at elevation change in the foundation.