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Step 1:
Planning
and Preparation
Mark out the location of the wall. Before digging, call local
utilities and cable to mark locations (this is usually a free
service).
Draw plan view showing measurements and grade elevations. The
elevations are required to calculate how many retaining wall
blocks are required. Go to a Unilock® Authorized Dealer
who will calculate the amount of materials and estimate the
cost.
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Step 2: Excavation
a minimum of 6" - 12" deep is excavated depending on
the size of wall unit you are using. all loose
soil removed. Remember that you need a minimum of 3" of gravel
base and at least 3" of wall unit buried below grade level to
help "toe in" the wall. You can save on materials if you step
the wall up or down to accommodate the grade. |
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Step 3: Base
3" - 6" of gravel placed in the trench and compacted
using a hand tamper until very hard. In areas with more than
6" of gravel, we'll compact in 3" layers and leave enough room
for the first row of wall units to be buried below grade
level. The final height of the installation will determine the
exact level that must be set. |
Step 4:
The leveling
Some
wall styles come as "doubles" they are split first then the
blocks individually leveled using a mallet and a small
level. We'll ensure that all blocks are leveled from
side-to-side and front-to-back. After the first row is in, the
rest of the units can be stacked, we off-set all vertical
joints by starting with a block cut in half.. |
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Step 5: Finishing When
placing our final row of blocks, (in some cases this might be
a special cap called "coping"), we must glue them on with
Unilock®'s Concrete Adhesive. After gluing, we place
in soil, put in sod, or install plants to complete your
installation.
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