As mentioned before board form concrete is available in pre cast and cast in place varieties.
How to make a form for concrete wall.
Stake 4 inch 10 2 cm slabs a minimum of 32 inches 81 3 cm on center and deep enough to firmly support the form depending on the stability of the soil beneath the form.
The cheapest and easiest material to use is 2 in 4 in 5 1 cm 10 2 cm boards cut from a softwood like pine.
Drive stakes into the ground at each corner of the outline.
Concrete forms can be used for foundations for nearly any type of structure.
So if your wall is 8 inches wide your two nails should be 8 inches apart.
Determine the design of your concrete project.
For thicker slabs decrease your stake spacing a 12 inch 30 5 cm slab will need to be staked no more than 24 inches 61 0 cm on center.
This article will break down the process of creating this form step by step to make it quick and easy for everybody.
Measure from the edge of your concrete footing to the point where the outside face of your wall will be.
Measure out from that nail to where the other face of your wall will be and place another nail.
Stack wood planks to create a frame for the wall.
Whether you are needing a form for a playhouse shed or gazebo this is a great way to pour and level your foundation with ease.
In this video we show you how to pour your basic 16 x 12 concrete slab.
Drive a nail into the concrete here.
These wood barriers hold the concrete in place as it dries so you will need to create 2 of them.
We go over all the necessary steps for your concrete slab to come out perfect.
Tie twine to the first stake and string it around the perimeter of the outline tying it to each stake.
Lay your outline on the ground use the tape measure to ensure correct measurement and the carpenter s protractor to verify correct angles.