Keystone Retaining Walls

standard 1

The Keystone Standard Unit is an American original. The product that started the industry is still the industry leader for tall walls and critical structures. The height-to-depth ratio of the Keystone Standard unit delivers a structurally sound, engineered wall system with superior construction stability, durability, and strength. Architects and engineers rely on the Keystone Standard unit to stand strong when the safety and security of their wall designs matter.

	3-plane	straight	series II	plantable
height	8"	8"	8"	8"
width	18"	18"	18"	18"
depth	21-1/2"	21-1/2"	18"	21-1/2"
weight	105 lbs	105 lbs	105 lbs	95 lbs
pins	yes	yes	yes	yes

Product size, weight, color and product availability varies by location.
Please contact your local manufacture for up to date product information.

Downloadable Specifications:

Standard Unit Specifications


The following are typical cadd details to assist you when designing your site. Keystone's Engineering department welcomes any comments and are ready to assist you with any questions you may have. The downloads below are available in either AutoCad or Acrobat PDF formats. You can download Acrobat Reader free of charge from Adobe.com. For best DWG printing results in AutoCad®, use the Keystone2001.ctb plot file from this link.
Downloads: (DWG)	Downloads: (PDF)
Standard Straighface Details - 18" depth Standard Straightface Details - 21" depth Standard Tri-plane Details - 18" depth Standard Tri-plane Details - 21" depth Standard II Straightface Details Standard II Tri-plane Details	Standard Straightface Details - 18" depth Standard Straightface Details - 21" depth Standard Tri-plane Details - 18" depth Standard Tri-plane Details - 21" depth Standard II Straightface Details Standard II Tri-plane Details

The following instructions can be used for the
Keystone Standard, Compac, and Victorian Stone units.


STEP ONE \| Prepare the base leveling pad. Remove all surface vegetation and debris. More ...	STEP TWO \| Install & level the base course. Place the first course of units. More ...	STEP THREE \| Insert the fiberglass pins. Place the pins into the holes. More ...

STEP FOUR \| Install core fill & compaction. Provide crushed stone drainage fill. More ...	STEP FIVE \| Install additional courses. Place the next course of units over the pins. More ...	STEP SIX \| Capping the wall. Continue all steps until ready to place the wall cap. More ...
GEOGRID \| Installation: Taller, more critical walls may require the use of geogrid. More ...

	Click here to download these images.

	Click on a unit to view its' 360° view.


STEP ONE \| Prepare the base leveling pad. Remove all surface vegetation and debris. More ...	STEP TWO \| Install & level the base course. Place the first course of units. More ...	STEP THREE \| Insert the fiberglass pins. Place the pins into the holes. More ...

STEP FOUR \| Install core fill & compaction. Provide crushed stone drainage fill. More ...	STEP FIVE \| Install additional courses. Place the next course of units over the pins. More ...	STEP SIX \| Capping the wall. Continue all steps until ready to place the wall cap. More ...
GEOGRID \| Installation: Taller, more critical walls may require the use of geogrid. More ...

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