This article will teach you how to build a round form for concrete. The round form is a temporary structure that is generally used to pour or deposit concrete. These forms can be built in multiple ways and there are some rules that need to be followed when building them so they do not collapse while they are in use.
Constructing a round form for concrete is a process that can be completed by following the steps outlined in this article. The process of constructing a round form for concrete involves the use of scaffolding, plywood and rebar. You can find all these items at any home improvement store or hardware store.
Round concrete forms might seem like a daunting task, but they are just as easy as making any square or rectangular form. These can be made from wood, plastic, or steel boards that are nailed together and reinforced with corner braces. After following this step-by-step guide, you will be able to make your own round form for concrete in no time.
Gather Your Materials
To build a circular form, you will need the following materials:
- 2x4s to use as framing for the structure. Make sure they are straight and free of cracks.
- Nails to hold the pieces together. Use galvanized nails for best results because they will not rust when exposed to water or moisture in concrete.
- Braces made out of wood or metal (galvanized) to reinforce your form while it’s being finished with concrete, especially if it’s going on top of brick or stone that may crack due to freezing temperatures during winter months when you’re building outside.
- Nail heads should be used in conjunction with braces so that they can be screwed into place once all components have been assembled together into one cohesive unit—this will help keep everything secure while preventing any movement during construction work being done around them later on down the road when installing flooring material inside each individual room where these forms are being used.
Measure The Diameter
Measure the diameter of your paver and the diameter of your form, then cut a 2×6 to length. Use a compass to mark a circle on one end of the board, then transfer that mark to all four sides. Cut out the circle with a jigsaw.
Now measure the distance between the top edge of your form and its bottom edge (this is called “radius”). Add 1/8 inch to this measurement so that you have room for expansion in cold weather, then subtract 2 inches from it; this will give you an approximate thickness for your plywood shield (the “form liner”). Cut two pieces from ¾-inch or thicker plywood or particle board using this formula: width = radius + 6 inches; length = radius – 4 inches. You’ll need enough material left over after making these cuts for three small pieces (to be used later).
Finally, place one piece inside each gap between boards on both sides of each shield assembly: add finish nails through these supports into their respective shields so they fit snugly into place without shifting around too much when you begin pouring concrete
Cut 2x4s To Length
- Cut two 2x4s to length
- Cut a third 2×4 to length
- Cut a fourth 2×4 to length
- Cut a fifth 2×4 to length
- Cut a sixth 2×4 to length
- Cut a seventh 2×4 to length
Set Nails At Perimeter
The next step is to set nails at the perimeter of your form. Nails should be spaced 4 inches apart, and they must be set at a 45 degree angle. The nail heads should be at least 3 inches into the wood, and they must not be set any closer than 1 inch from the edge of your wood sheeting.
Add Corner Braces
Once the form is built, you will need to strengthen it to ensure that the concrete does not crack. To do this, you can use 2x4s for corner braces across all four corners of the forms. The braces should be placed on top of each other and secured using nails through both layers. This will help reinforce your form and prevent cracking from occurring during or after drying.
Add Nail Heads
- To attach the nail heads, you will need to use a nail gun. Nail guns are extremely quick and efficient: they can shoot thousands of nails within minutes, but they also require special safety measures because of their power.
- You will also want to hit each nail head with a hammer from both sides so that it sinks into place firmly. If you don’t do this, the nail heads might not be secure enough and may come loose over time.
- Finally, you can use a nail set if there are any stubborn nails that refuse to sink into place after hitting them with your hammer several times. A nail set looks like an oversized pair of pliers and is used by pressing down on the head of an individual unwanted nail until it sinks into place properly.
With these simple tips, you can make a round form for concrete.
To make the form, you will need:
- a tape measure and straightedge (or ruler) to measure the diameter of your concrete slab
- 2x4s of the length required by your concrete slab’s diameter plus 1″ for each 6″ in depth
- wood screws or nails to attach the 2x4s together at their perimeters
- corner braces to secure corners of form together and keep them square (optional)
Final words
We hope this post has given you a better idea of how to build a round form for concrete. There are many ways to build these forms, and some of them don’t even require you to make any cuts. However, these tips will help you get the most accurate results.
