
Building an open-air chicken run is a great way to give your chickens a safe and secure outdoor space to roam and exercise. While it may seem daunting, it is a beginner-friendly project that can be completed with standard tools and supplies. In this guide, we will cover everything you need to know, from choosing the right materials and constructing the run to making it comfortable and functional for your feathered friends. We will also discuss the benefits of an open-air run and how to create a happy and healthy environment for your chickens. By the end, you will be well-equipped to build a chicken run that suits the needs of your flock!
| Characteristics | Values |
|---|---|
| Purpose | To provide chickens with a safe, enclosed outdoor area where they can run around and feel protected from predators. |
| Coop Access | The run should be attached to the coop with a small door allowing chickens to move between the two. |
| Space | A minimum of 10 sq. ft. per chicken is recommended. The run should be larger if the flock is expected to grow. |
| Climate Considerations | In warmer climates, the run should be positioned under trees or in a shady area, while in colder climates, it should be placed in full sun. |
| Fencing | Fence posts should be placed 6-8 ft. apart and sunk into the ground. Chicken wire or welded wire can be used to enclose the run, extending into the ground to deter predators. |
| Roofing | A solid roof is recommended to protect chickens from rain and snow. A sloping roof can be created using trusses and corrugated steel siding. |
| Bedding | Straw, leaves, sand, or wood shavings can be spread on the ground for bedding. Bedding should be changed when it becomes soiled or smells. |
| Feed and Water | Food and water should be placed inside the run. Feed should be covered, and water should be hung from the top of the run to keep it clean. |
| Materials | Pressure-treated wood is recommended for construction. Hardware cloth is preferable to chicken wire for enclosing the run. |
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What You'll Learn

Positioning and planning
Firstly, decide on the location of your chicken run. Choose a spot that offers plenty of shade in warmer climates or full sun in cooler climates. Consider the direction of the sun and any natural shade provided by trees or structures. You should also ensure there is adequate drainage in the chosen location, as you don't want the area to become muddy or damp, which can lead to mould and other issues.
Next, determine the size of your chicken run. The general rule is to provide a minimum of 10 square feet of outdoor run space for each chicken. However, it is advisable to build bigger, especially if you plan to expand your flock in the future. Laying out boards on the ground will help you visualise the space and plan accordingly. Ensure the shape is not too long and narrow, as you want to provide ample room for your chickens to roam.
Now, let's talk about the layout and orientation of the run. Plan to have the run attached to your chicken coop, with a small door allowing chickens to move between the two. This door should be considered when positioning the run to ensure easy access for your chickens. You may also want to think about the placement of the main run gate, ensuring it is conveniently located for you to access.
When it comes to materials, it is recommended to avoid using plywood due to its low durability and susceptibility to pests. Instead, opt for pressure-treated wood, which is designed to last longer and resist insects and deterioration. You will also need fencing materials, such as welded wire or chicken wire, to enclose the run securely. Ensure you have all the necessary tools, such as a drill, saw, hammer, and staples or nails, before beginning construction.
Lastly, take the time to sketch out a detailed plan of your chicken run, including measurements and positioning of gates and doors. This plan will guide your construction process and ensure you have a clear vision for your open-air chicken run.
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Materials and supplies
The materials and supplies you will need to build an open-air chicken run will depend on the specific design you choose, the size of your flock, and the local climate. Here is a list of materials and supplies that are commonly used when building an open-air chicken run:
- Fence posts: These will be sunk into the ground to create the perimeter of the run. They should be placed about 6 to 8 feet apart and sunk at least 1 foot deep into the ground.
- Wood: Pressure-treated 2x4s are commonly used for the structure, including the roof. You may also need smaller boards such as 1x2s to support the roof. Avoid using plywood, as it does not hold up well over time and is susceptible to bugs and weather damage.
- Wire mesh: Hardware cloth or welded wire mesh is used to enclose the run and deter predators. Chicken wire can also be used, but it is not as durable.
- Tools: You will need a variety of tools for construction, including a drill, a circular saw, a hammer, a staple gun, fencing staples, and a measuring tape.
- Roofing: While some runs have a solid roof, others are open-air with just wire mesh on top. If you choose to have a solid roof, you will need materials such as corrugated steel siding or vinyl sheets.
- Door: You can purchase a screen door or create your own using wood and hinges.
- Bedding: Straw, leaves, construction-grade sand, or wood shavings can be used as bedding to make your chickens comfortable.
- Food and water containers: These should be placed inside the run and secured or covered to protect them from the elements and curious chickens.
Before starting your project, it is a good idea to sketch out a plan and assemble all the necessary materials and supplies. You may also want to browse other chicken runs online for inspiration and ideas.
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Building the fence
Building a fence for your chicken run is a straightforward process that will ensure your chickens are kept safe from predators. Here is a step-by-step guide to building a secure and functional fence:
Planning the Layout
First, decide on the location of your chicken run. It should be attached to your chicken coop, with a small door allowing chickens to move between the two. Plan for at least 10 square feet of outdoor run space for each chicken, and consider leaving some extra space if you plan to expand your flock in the future.
Preparing the Posts
Once you have determined the size and location of your run, it's time to prepare the fence posts. Dig holes around the perimeter of your chosen area, spacing the holes about 6 to 8 feet apart. Ensure the holes are at least 1 foot deep. Sink the fence posts into the holes, using a level to make sure they are straight and evenly spaced.
Attaching the Boards
Nail 2 x 4-inch boards across the top of the fence posts to create a sturdy frame. You can also add some smaller boards to support the roof structure if you plan to include one.
Securing the Enclosure
Now it's time to secure the enclosure with wire mesh. Wrap chicken wire or welded wire around the perimeter, burying it at least 4 inches into the ground to prevent predators from digging their way in. Make sure there are no gaps that could allow chickens to escape or predators to enter.
Adding a Gate
Don't forget to include a gate in your fence to allow easy access to the run. Position the gate where convenient and use a spring to ensure it snaps back into place after being opened.
A well-built fence is essential for keeping your chickens safe and giving them a secure space to enjoy the outdoors. With these steps, you can create a functional and predator-proof fence for your chicken run.
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Adding a roof
First, determine the size of your chicken run and the number of chickens it will accommodate. The rule of thumb is to allow a minimum of 10 square feet of outdoor run space per chicken. This will help you decide on the size and type of roof to build.
When selecting roofing materials, consider your climate and weather conditions. If you live in an area with heavy snowfall, avoid a flat roof, as it will be difficult to remove the snow. Instead, opt for a pitched roof made of recycled metal, which can withstand the weight of snow and provide good runoff. In warmer climates, consider positioning your chicken run under some trees to provide shade, or add windows to the structure for ventilation.
For the roofing material, you have several options:
- Metal roofing panels are a durable and long-lasting option, especially in regions with snow. They are only slightly more expensive than opaque plastic panels and can be purchased for around $30 for a 2ft x 12ft section.
- Transparent polycarbonate roofing can also be used, providing natural light while keeping the elements out.
- Shingles are another option, but they may not be as durable in harsh weather conditions.
- If you're on a budget, you can use corrugated fiberglass or old pole barn siding to cover your chicken run, providing basic protection from the weather.
When attaching the roof, follow these general steps:
- Build out the frame by adding 2x4s to the future roof line and along the ground, ensuring everything is level. Secure these with construction screws.
- If you're adding a pitched roof, you'll need to calculate the angle of the roof and cut the wood accordingly. This may require some trigonometry to determine the length and angles of the end beams.
- Consider adding trusses for support, especially if you're using a heavier roofing material like metal. You can build your own trusses or purchase pre-made ones if you're not an experienced DIYer.
- Finally, secure the roofing material to the frame using the appropriate roofing screws or nails.
Remember, adding a roof to your chicken run is worth the effort. It will keep your chickens dry, their feed fresh, and their eggs clean. It will also protect them from predators and harsh weather conditions, ensuring their health and happiness.
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Final touches
Now that the framing is done, it's time to add the finishing touches to your chicken run. Here are some essential steps to follow:
Install a door: Add a door to the chicken run to allow your chickens to come and go during the day. Use hinges to hang the door and attach a latch on the outside for security. Don't forget to include a spring so that the door shuts automatically, preventing your chickens from escaping.
Attach chicken wire or fencing: Wrap the perimeter of the run with chicken wire or welded wire fencing. Sink the wire at least 4 inches (10 cm) into the ground to deter predators from digging their way in. Also, lay the wire or fencing over the top of the run to prevent aerial predators from entering.
Secure with nails and staples: Use U-nails or fencing staples to secure the chicken wire or fencing to the frame. Make sure to staple or nail the mesh tightly to the posts, spacing them every 6 inches.
Add a roof: If you're adding a roof to your chicken run, use pressure-treated wood to resist insects and deterioration. Cut and install horizontal braces for added support. Measure the distance from the side roof beam to the bottom of the frame before cutting the final vertical pieces for the sides.
Bedding and accessories: Line the bottom of the run with straw or alternative bedding such as leaves, sand, or wood shavings. Place a container of food and water inside, covering the feeder with foil to protect it from the elements. Hang a chicken waterer from one of the supports to keep it clean.
Paint or seal: Finally, paint or seal your chicken run as desired. You can also consider adding a weather vane or other decorative touches.
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Frequently asked questions
An open-air chicken run attached to your coop will give your chickens a safe, enclosed area to run around in while you're away, protecting them from predators and keeping them from wandering into the road or your neighbour's garden.
You can use standard tools and supplies from your hardware store. Avoid plywood, as it peels apart and doesn't do well in the rain and snow. Use pressure-treated wood instead, and hardware cloth or welded wire to enclose the run. You can also use chicken wire, but sink it at least 4 inches into the ground to deter predators.
The rule of thumb is to allow a minimum of 10 square feet of outdoor run space per chicken. So, if you have 10 chickens, you should plan on a pen that's at least 100 square feet. It's a good idea to build bigger to accommodate a growing flock.











































