How To Build Concrete Wall Forms
So if your wall is 8 inches wide your two nails should be 8 inches apart.
How to build concrete wall forms. Level the 2x12 and nail it to the second corner stake. If they will be reused then use treated lumber. 2 x 4 s and 3 4 forming plywood works best. For a project such as this it is best to steer clear of quick drying cement formulas.
Concrete wall form sections come in different sizes and shapes. The 2 x 4 s should be no 2 kiln dried pine simply because it is cheap easy to work with and holds nails very well. Start by choosing straight form boards. There are also manufacturers who provide custom size wall forms based on the requirement of the project.
If properly maintained and used the consistency of steel forms can be obtained even for 2000 work cycles. Then pour your concrete inside the form using a chute or hose attached to the mixer. These are concrete forms made of steel. 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 other.
In america modern concrete homes are becoming very very popular. From this same 2008 issue of chemistry world magazine we learned that over two billion tons of concrete are produced every year. Make sure you watch to see the falling concrete hasn t moved the strings. Thicker slabs require thicker sheathing which may be pine boards or plywood.
Place the first piece of wood sheathing along the string line. Cut a 2x12 to length or splice it with a cleat for one side of the concrete forms and nail it to a corner stake. 1 inch by 4 inch boards are generally stout enough for up to 4 inches of concrete. Measure out from that nail to where the other face of your wall will be and place another nail.
The width and depth of the sheathing is dependent on the amount of concrete being poured. To form a concrete wall first set up plywood boards on either side of your concrete footer and attach them together with wire. Drive a nail into the concrete here. Simply pour the concrete into the form slowly and steadily.
This makes a lot of sense especially since according to chemistry world magazine concrete is the most widely used building material in the world. Measure from the edge of your concrete footing to the point where the outside face of your wall will be. For a 5 in thick slab with thickened edges which is perfect for most garages and sheds 2x12 boards work best. The form will be lightweight and strong.