How to Make a Rainwater Barrel

Last Updated on July 26, 2020 by Daniel Cooper

How to Make a Rainwater Barrel: In a particularly dry season, in which the reservoirs are practically empty and in which many towns are being forced to guarantee the supply with tankers, taking advantage of the water is a maxim.

Therefore, creating a barrel for home rain is a very simple option to enjoy such a scarce resource, more in times of drought. Only with a couple of hours of work and very simple materials, you can create this domestic system that will allow you to reuse the water that is poured through the roof on rainy days.

How to Make a Rainwater Barrel

What You Need to Create Your Rain Barrel

Besides being an easy project, it is not very demanding regarding materials since, with what you see in the image, you will have practically everything you need. On the other hand, it will be convenient to have four rubber washers, a PVC reducer, and a screen on hand.

If the materials you have do not correspond exactly to the ones in the photograph, do not worry, since they will work. The only thing you have to keep in mind is that the container you choose as a barrel is wide-mouthed can be covered and has the right size to the water you want to recover.

Create the Rain Barrel Step by Step

How to Make a Rainwater Barrel

Once you have all of the above, you can start working. As mentioned, the process will be quite simple.

First Step: Preparation of the Barrel

For the rainwater to enter and leave the barrel, you will need two things: connect the pipe that will conduct the water, as well as one (or several) outlets, in this case through a tap and a connection for hoses. To install the tap, drill a hole in the bottom of the barrel.

Although the approximate size will be 2.5 centimeters, make sure it matches the splice of your faucet. After drilling, remove the chips around the hole. At this point, it is where you will need the rubber rings. Following the example of the images, place them between the two pieces.

These, in turn, are the ones that you have to place in the hole that you just drilled. Screw the pieces and make sure that the tap does not drip. If you detect any loss, you can add sealant. Next, drill another hole, now on the upper side of the barrel. In this case, the exact size will be the one that adapts to that of a hose.

This second exit will be very useful to water the plants. After that step, you will have to make another hole, now for the pipe through which the rainwater will enter. To do this, place the reductive piece of PVC on the top of the barrel and mark its diameter with a pencil. Next, make two holes on each side of the mark. When you have them, cut the outline with a saw.

At that point, you can now place the PVC reducer. In addition, to prevent any sheet or insect from getting into the barrel, the idea is to adhere to a small screen that works as a filter. If you incorporate it, do not forget that you will have to clean it from time to time.

How to Make a Rainwater Barrel

Second Step: Connect the Barrel With the Roof

Once you make sure that the PVC reducer piece is securely fastened to the rain barrel, it fixes a pipe like the one you see in the photograph. With it, you will have to connect the barrel with the roof gutter. Adjust the piece well and make sure to fix the pipe at the top.

Third Step: Placement and Adjustments

Once everything is well connected, there will not be much left to do. As a tip, to make it easier to use the tap of the rainwater collector, it is best to locate it with a certain height; for example on a table. In any case, choose a surface that is firm.

With this, you’ll have your barrel ready and you’ll just have to wait until the next rain to start reusing the water. Do not forget that, if you want to make the most of that resource, you can enable more barrels to have more space to store the water and to take advantage of it for cleaning the house or watering the plants.


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