How High Should They Be?
To determine the height of your retaining walls, take elevations of the area you are designing. If you are creating a level area, how
far out do you need it to be level? Is it for just a nice looking part
of the design or is it to function for a play area, patio design, or
Once you determine these things, you can begin to decide how high the walls must be and if there
are to be one, two or more.
See tips below or visit some of these other popular pages.
Landscape Wall Heights and Tips
- At the outermost part of the level area, what is the existing
grade and what will be the finished grade be? If the existing grade is
four feet lower than the finished grade the wall will need to be four
feet high. Alternatively, you can create (2) two feet high walls for a
more terraced look.
This is approximate as you will want to slope the
area for proper drainage. See Landscape Grading
what if the difference in elevation is, for example, twelve feet? You
may think this is far fetched, but in landscape design, land can be
adjusted, created, sculptured and re-graded any way you like. So an area
with a twelve foot difference in elevation may have (2) six foot high
walls, (3) four foot high walls, etc.
possible, I try to keep walls at about three to four feet in height,
maximum. This is not only because the scale looks better in the
landscape but also for a couple of other reasons.
First of all they are
Secondly, many townships require engineered drawings for walls
over four feet. (Actually, there are also places that require this for
wall over two feet high!) If you do not have to attain engineered
drawings, you will save yourself some money and time, not to mention the
red tape of submitting the drawings for approval.
your level area approaches the top of the wall (rather than the wall
extending up higher as you look at it), you must think about safety. You
can install a fence or you can design a very wide planting bed with
dense plantings to border the wall.
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