How To Build Concrete Retaining Wall Forms
Tall wall excavate a trench deep enough to accommodate 4 to 6 in.
How to build concrete retaining wall forms. Drive stakes into the ground at each corner of the outline. Since plywood comes in 4 x 8 sheets the forms are better off 8 long for the most part. Of leveling sand and half the height of the first course of blocks. We are using symmons forms on this job but the general principles are the same.
Measure for the wall. Arrange them so they border the hole in your yard where you plan on pouring concrete for the wall. Measure from the edge of your concrete footing to the. Place 3 4 in 1 9 cm pieces of plywood on the ground.
Of compacted base 1 in. Even though we are not dealing concrete blocks always base the height of a concrete wall form on a multiple of 8. Refer to the plan or schematic for the retaining wall. Lay your outline on the ground use the tape measure to ensure correct measurement and the carpenter s protractor to verify correct angles.
Then use the marking paint and measuring tape to lay. When installed properly concrete offers much more room for customization than any other retaining wall material. This walls are retaining a h. How to pour a concrete retaining wall.
Learn how to set the forms for a concrete wall. Cross section of a retaining wall a cinder block retaining wall is only as straight and solid as the base it s built on. Set the forms on plywood boards near where you plan on building the wall. It would be advisable not to build the forms any taller than 4.
These shoe plates need to be wide enough to support the forms you built. Tie twine to the first stake and string it around the perimeter of the outline tying it to each stake. For taller walls build shorter forms to add to the 4 sections. Measure and mark footing locations.
Poured concrete retaining walls can be colored textured accented with embedded objects and much more. How to build a concrete wall figure a. Determine the design of your concrete project.