Even though we are not dealing concrete blocks always base the height of a concrete wall form on a multiple of 8.
How to build concrete wall forms with plywood.
To make the wall as strong as possible pour the concrete in layers no higher than 20 inches working from 1 end of the wall to the.
Since plywood comes in 4 x 8 sheets the forms are better off 8 long for the most part.
To form a concrete wall first set up plywood boards on either side of your concrete footer and attach them together with wire.
It would be advisable not to build the forms any taller than 4.
Thick concrete pours of greater than 8 inches may require a second round of stakes set a couple of feet behind the concrete form with kickers nailed to the bottom of the rear stakes and the top of the form stakes to provide additional stability.
Does anyone have any idea how tall of a wall you can pour with 3 4 inch plywood forms just using cams and ties.
Make sure the side of the plywood with the 2 by 4s nailed to it are facing out from the wall.
If i make the ties close enough together does it matter.
Straight flat lumber without knotholes provides the best concrete forms.
For taller walls build shorter forms to add to the 4 sections.
Then pour your concrete inside the form using a chute or hose attached to the mixer.