Installation Instructions
27
RETAINING WALLS
Step 6.3 - Stepping a Wall/Another Option
Another option for walls that step-up is to cut to t a 6" wide section of a Step/Cap for the Denver
or an 8" wide section of a Step/Cap for the Clifton and lay the Step/Cap vertically to nish the end.
To ensure the vertical cap maintains a straight line from the face to the back of the block, a 2" chip is
installed near the back of the block (see illustration below).
Step 7 - Capping a Curved Wall
The Step/Cap is rectangular in shape and is perfect for straight walls. For radius turns, an XL cap
will need to be saw cut to t. To ensure permanent placement of the caps on top of the wall, a
quality exterior concrete adhesive should be used.
Place the Cap Block and
measure the distance of the
gap between the caps.
Using this measurement, cut
the cap so that it is parallel
with the adjacent cap unit.
Slide the cap in place so that it
is flush with the adjacent cap
unit. Adhere caps with
construction adhesive.
Step 8 - Special Applications
While the installation steps presented are applicable to most basic wall designs, special consideration
needs to be given to those applications in which a slope, surcharge loading and/or
less than ideal soils are present. These types of applications may require geosynthetic reinforcement or
other engineering design support. Such applications include but are not limited to:
Please refer to the geogrid reinforced wall sections of this guide for more information in regard to the
incorporation of geosynthetic reinforcement in wall design.
• Wall Height
• Water Applications
• Drainage
• Fences and Guardrails
• Driveways and Roads
• Structures
• Tiered Walls
• Bridges and Culverts
Step/Cap Block
cut to 6" or 8"