Installation Guide

©2015 Keystone Retaining Wall Systems LLC
Keystone Retaining Wall Systems LLC • A Contech Company
4444 West 78th Street • Minneapolis, MN 55435
[phone] • www.keystonewalls.com
INSTALLATION INSTRUCTIONS
Mark an outline of your
project. Then dig a shallow
trench 12" (305mm) deep by
20" (508mm) wide.
Mark & Dig
LANDSCAPE WALL | KEYSTONE COUNTRY MANOR
®
Base & Tamp
Level
Add 6" (152mm) of granular
base material. Compact base
to avoid settling.
Pin & Stack Cap
When burying the first course
of units, it is very important to
level them front-to-back and
side-to-side.
Insert pins in desired hole
location for setback or vertical
wall options. Place next course
of units centered over units
below.
Finish the wall with a cap
unit to give it a polished look.
Secure in place with concrete
adhesive.
Retaining Wall Height
Retaining Wall Length (measured at wall face including curves)
10' (3.0m) 25' (7.6m) 35' (10.7m) 75' (22.9m) 100' (30.5m)
Large and small unit combination (front to back)
12"(305mm) - 2 courses 12 (each) 30 (each) 42 (each) 90 (each) 120 (each)
24"(610mm) - 4courses 24 (each) 60 (each) 84 (each) 180 (each) 240 (each)
30"(762mm) - 5 courses 30 (each) 75 (each) 105 (each) 225 (each) 300 (each)
Large units only (front to back)
12"(305mm) - 2 courses 16 40 56 120 160
24"(610mm) - 4courses 32 80 112 240 320
30"(762mm) - 5 courses 40 100 140 300 400
Capping course (front to back): Optional use as a wall up to 18"
3"(76mm) - 1 course 11 28 39 82 110
6"(152mm) - 2 courses 22 55 77 164 219
12"(305mm) - 4 courses 44 110 153 328 436
18"(457mm) - 6 courses 66 164 230 491 655