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STEP 2 - PROVIDE A FIRM AND LEVEL BASE ...
Using a hoe or flat shovel, remove any grass, weeds or top soil. If the soil is hard, you may be able to put your gabion wall directly on the existing soil. If you have sandy or clay soil, you will need to replace about 6" depth with compacted gravel or a concrete footer, otherwise the soil might slump under the weight. If you are not planning to vegetate the wall, use brush killer (Round Up) to destroy any weeds or roots then cover over with geo-tex fabric.
STEP 1 - Start by laying out the wall using a string line and line level or a carpenters level mounted on a long straight edge (usually a 2" X 4" - 12' long) and check that the pad is level in both directions
ASSEMBLING THE GABION BASKETS ...
click here >>> ASSEMBLY & FILLING INSTRUCTIONS
start by unfolding and laying out the wire mesh panels with its bottom panel laying flat on the prepared base surrounded by the four sides. Our baskets are held together with a spiral of galvanized steel that you wind through the adjacent edges of the mesh panels. It’s easy to do since the spiral matches the gabion's mesh grid. When the spiral reaches the end, use pliers to pinch each end to secure and prevent it from slipping out.
6 ft long baskets are the most commonly used ... they have a middle panel to stop it bulging out, which is wired in along its bottom edge when the cage was open on the flat, and then down each vertical side when we had the basket in place. The baskets have bracing ties across each corner 1/3 and 2';3 up which are positioned and pinched closed
FILING THE BASKETS ...
If you have indigenous rocks available, filling with these on-site materials will produce a gabion wall that fits well into its surrounding landscape
To prevent spillage, the exterior rocks facing on the presentation faces need to be slightly larger than the mesh openings. Typical 3" x 3" mesh requires a minimum of 4" rocks and limit the largest rock at 8". Use angled rocks to fit into corners and smaller rocks or used bricks and concrete materials may be inserted in the center of the structure ... they will not to be seen when finished
Careful packing of the rocks takes time but important ! ...
work in layers, using smaller pieces to fill up any voids and to wedge the best looking rocks against the face of the basket. Orient them as closely as possible, then filling in behind them to hold them in place
SECOND LAYER ...
Once you have packed the lower basket, wire on its lid and then assemble the second layer on top. Fill the second layer like the first
using the best looking rocks at eye level and the not so attractive fill rocks in the center
BELOW ARE EXAMPLES OF THE FINISHED GABION FENCES ... NOTE THE ADDED WOOD FEATURES !
Powered post hole auger
Here is a link to video showing instructions on how to properly install support columns
STEP 3 - GABION REINFORCEMENT - INSTALL SUPPORT COLUMNS
There is virtually no structural integrity in the wire of a narrow width gabion wall. These walls will require internal support posts imbedded in concrete and spaced on appx. 6' centers. (see examples below)
Depending on the installation and local codes, typical columns may be sections of galvanized pipe, pressure treated wood posts or structural steel members.
Be sure to bury the column 3-4' deep, add dry mix concrete, then wet it up and return in a day or two and start your installation.
Galvanized fence post
Manual post hole digger
BELOW ARE EXAMPLE PHOTOS OF GABION FENCES - NOTE THE ADDED WOOD FEATURES
INSTALLATION TOOLS ...
Here is a suggested list of tools you will need to lay out and construct your gabion fence
BUILD A GABION FENCE
GABION SUPPLY ... a division of BlueStone Supply LLC Call Us : 866-391-6295 or 1-901-779-8930
Email: firstname.lastname@example.org or email@example.com
Plumb as shown
Level wall installation started
Below are examples of support posts- note the variations