7 Supplies for Building Covered Hay Feeders

There’s nothing more frustrating than watching a fresh, expensive bale of hay turn into a soggy, trampled mess after a single downpour. A well-built covered hay feeder isn’t a luxury; it’s a tool for protecting your investment and ensuring your animals get clean, dry forage. Building one yourself puts you in control of the design, durability, and cost, turning a weekend project into years of savings.

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Why a Covered Hay Feeder Protects Your Investment

A covered hay feeder is your first line of defense against waste. Unprotected hay is vulnerable to rain and snow, which quickly leads to mold, spoilage, and refusal by livestock. This isn’t just a loss of the hay itself, but the money, time, and fuel it took to produce or purchase it. A simple roof structure drastically extends the life of a bale, ensuring what you put out actually gets eaten.

Beyond weather, a well-designed feeder minimizes waste from animal behavior. Livestock, especially goats and horses, are notorious for pulling hay out, trampling it into the mud, and using it as bedding or a latrine. A feeder with a solid base and properly spaced slats or panels contains the hay, forcing animals to eat more deliberately. This simple containment can reduce hay waste by as much as 30-50%, a figure that adds up quickly over a feeding season.

Planning Your Build and Essential Safety Measures

Before you cut a single board, sketch out a plan. Consider the number and type of animals you’re feeding to determine the feeder’s size and height. A feeder for mini-goats will have different dimensions than one for full-sized horses or cattle. Think about placement—it should be in a well-drained area that’s easy to access with a wheelbarrow or tractor for refilling, but not in a high-traffic gateway where it could be damaged.

Safety during the build is non-negotiable. Always wear safety glasses to protect your eyes from sawdust and debris, especially when using a circular saw. Gloves are essential when handling pressure-treated lumber, as it can cause splinters and contains chemical preservatives. Finally, work on a stable, level surface and ensure your tools are in good working order before you begin. A little forethought prevents a lot of problems.

Framing Lumber – ProWood Pressure-Treated 2x4s

The frame is the skeleton of your feeder, and it needs to withstand weather, moisture, and the constant abuse of livestock. This is not the place for untreated pine. ProWood Pressure-Treated 2x4s are the right material for the job because they are infused with preservatives that resist rot, fungal decay, and termites. This treatment is what allows the feeder to sit outside year after year without disintegrating.

When selecting your lumber, look for boards rated for "Ground Contact." Even if the entire feeder isn’t sitting directly on the soil, the legs and lower portions will be exposed to constant moisture from splash-back and mud. This rating ensures maximum protection where it’s needed most. Remember that the actual dimensions of a 2×4 are 1.5" x 3.5"—factor this into your measurements for a precise fit.

This lumber is ideal for any farmer building a structure intended to last. It’s heavier and more expensive than untreated wood, but the cost is easily justified by its longevity. Those looking for a temporary, single-season solution might opt for something cheaper, but for a permanent farm fixture, treated lumber is the only practical choice.

Structural Screws – GRK R4 Multi-Purpose Screws

Nails have their place, but a hay feeder that gets pushed, leaned on, and jostled requires the superior holding power of structural screws. GRK R4 Multi-Purpose Screws are the go-to fastener for this kind of project. Their star-drive head and self-tapping tip allow them to drive into dense, treated lumber without stripping or requiring pre-drilling, saving immense time and frustration. The built-in washer head provides a wide clamping surface, pulling joints together tightly and preventing them from working loose over time.

For joining 2x4s, a 3 1/8-inch length is perfect, providing deep penetration without poking through the other side. Unlike nails, which can back out with the seasonal expansion and contraction of wood, these screws lock the frame together permanently. The climate-resistant coating also prevents the ugly rust streaks you see from inferior fasteners.

GRK screws are for the builder who wants to assemble the feeder once and not worry about tightening it up every season. They cost more per fastener than nails or deck screws, but the trade-off is immense strength and speed. If you already own a decent impact driver or drill, these screws will make your assembly process faster, stronger, and more enjoyable.

Cordless Drill/Driver – DeWalt 20V MAX DCD771C2

You will be driving hundreds of screws, and doing it by hand is not a realistic option. A reliable cordless drill/driver is the most important power tool for this build. The DeWalt 20V MAX DCD771C2 kit is a fantastic choice for farm use. It has the torque needed to power through thick, treated lumber without bogging down, and the variable speed trigger gives you precise control.

The key feature of this kit is that it includes two batteries and a charger. One battery can charge while you work with the other, eliminating downtime. For a project the size of a hay feeder, this is a critical feature, as a single battery will likely not last through the entire assembly. The drill is also surprisingly lightweight and ergonomic, reducing fatigue during a long day of building.

This tool is perfect for the serious hobby farmer who will be tackling more than just this one project. It’s a durable, powerful, and versatile workhorse. If you only plan to build one small project and never use a drill again, a cheaper, less powerful model might suffice. But for anyone investing in tools for long-term farm maintenance, this DeWalt is a smart starting point.

Circular Saw – Skil 5280-01 7-1/4 Inch Saw

Accurate, repeatable cuts are the foundation of a sturdy, square feeder. A circular saw makes quick work of cutting 2x4s to length. The corded Skil 5280-01 7-1/4 Inch Saw is a no-nonsense tool that delivers consistent power without ever worrying about a dead battery. For a project with dozens of cuts, the reliability of a corded model is a significant advantage.

This saw features a 15-amp motor, which provides more than enough power to cut through dense, wet pressure-treated lumber without stalling. It also has an integrated laser guide, which is incredibly helpful for beginners trying to follow a straight line. Paired with a speed square to guide the saw, even a novice can achieve clean, 90-degree cuts every time.

The Skil 5280-01 is for the builder who values reliability and power over the convenience of a cordless model. You will need a good extension cord to use it out in the field. For those who already have a robust cordless tool ecosystem and prefer not to manage cords, a cordless circular saw is a viable alternative, but be prepared with extra batteries.

Roofing Panels – Tuftex PolyCarb Corrugated Panels

The roof is the most critical part of a covered feeder. Tuftex PolyCarb Corrugated Panels are an excellent choice for this application. Made from polycarbonate, they are significantly more impact-resistant and durable than cheaper PVC or fiberglass options. They won’t crack from a stray hailstone or become brittle and yellow in the sun after just one season.

These panels are lightweight and easy to handle by one person. They can be cut to size with a fine-toothed blade on a circular saw or even heavy-duty shears. The clear or translucent options allow sunlight to pass through, which helps keep the interior of the feeder dry and discourages mold growth.

Proper installation is key. You must use the specialized roofing screws that have a neoprene washer to create a waterproof seal at each fastener point. Always drive screws through the "peak" of the corrugation, not the "valley," to prevent water from pooling and leaking. These panels are a higher-end option, but their longevity and durability make them a worthwhile investment for a feeder built to last a decade or more.

Wood Sealant – Thompson’s WaterSeal Protector

Even though you’re using pressure-treated lumber, applying a good wood sealant is a vital final step. When you cut treated wood, you expose the untreated interior to the elements. These cut ends are the most vulnerable points for moisture to seep in and begin the process of rot. Thompson’s WaterSeal Protector is a classic, accessible choice for sealing these weak points and adding an extra layer of protection to the entire structure.

Applying a sealant helps prevent the wood from cracking, checking, and warping as it weathers. It creates a barrier that repels water, extending the life of your lumber and keeping your feeder looking better for longer. Application is straightforward with a simple paintbrush or a pump sprayer for larger areas.

This step is for the builder who understands that farm structures require maintenance. It’s an easy, inexpensive process that should be done after the initial build and ideally repeated every couple of years. Skipping this step won’t cause your feeder to fail overnight, but taking an hour to apply sealant will add years to its functional life.

Measuring Tools – Stanley FATMAX Classic Tape Measure

"Measure twice, cut once" is a cliché for a reason. Inaccurate measurements lead to wasted wood, weak joints, and a lopsided final product. The Stanley FATMAX Classic 25-foot Tape Measure is the industry standard for a reason. Its wide blade provides a long "standout"—the distance the tape can extend without bending—which is incredibly useful when you’re working alone and need to measure longer spans.

The large, easy-to-read markings reduce errors, and the durable case can handle being dropped on dirt or concrete. A 25-foot length is the perfect size for most farm-scale building projects, long enough for framing but not so bulky that it’s a pain to carry.

This is a foundational tool that every property owner should have. There are cheaper tape measures, but they often have flimsy blades, weak springs, and markings that wear off. The FATMAX is a small investment in accuracy and durability that pays for itself by preventing costly cutting mistakes.

Tips for Anchoring Your Feeder for Stability

A finished hay feeder is heavy, but not heavy enough to resist a determined 1,200-pound cow or a group of rowdy goats using it as a scratching post. An unanchored feeder is a safety hazard; it can tip over, potentially injuring an animal or a person. The simplest and most effective way to secure a feeder in a pasture is by driving metal T-posts into the ground at each corner and wiring them tightly to the feeder’s legs.

For a more permanent or high-traffic location, consider creating small concrete footings. Dig post holes about 18-24 inches deep, set the feeder’s legs in the holes, and fill with quick-setting concrete. This creates an immovable foundation that will withstand almost any abuse. This method is more labor-intensive but provides the ultimate stability for feeders used by large, strong animals.

Regardless of the method, check your anchors periodically. Soil can shift, and wires can stretch over time. A quick inspection each season ensures your feeder remains safely and securely in place.

Maintaining Your Feeder for Long-Term Durability

Your feeder is built, but the work isn’t entirely done. A little annual maintenance will ensure it lasts for decades. Once a year, preferably at the end of the main feeding season, give the entire structure a thorough inspection. Look for any screws that may have backed out and tighten them. Check the frame for any signs of splintering or cracking wood, especially around joints and the base.

Pay close attention to the roof. Ensure all roofing screws are still snug and that the washers haven’t become cracked or brittle from sun exposure. Clear off any accumulated leaves, branches, or debris that could trap moisture against the panels. Every two to three years, plan on giving the whole feeder a quick cleaning and reapplying a fresh coat of wood sealant to maintain its water resistance. This small time commitment protects your larger investment in materials and labor.

Final Thoughts on Building a Lasting Hay Feeder

Building your own covered hay feeder is more than just a construction project; it’s an investment in the efficiency and sustainability of your small farm. By choosing the right materials and tools from the start, you create a piece of essential equipment that will pay for itself many times over in saved hay and healthier livestock. The process itself builds skills and confidence, leaving you with a durable, practical structure you can be proud of.

A well-built feeder stands as a testament to doing a job right the first time. It weathers the storms, endures the daily wear and tear from animals, and quietly does its job of protecting your resources. With a solid plan and the durable supplies outlined here, you can build a feeder that will serve your farm for years to come.

This project is a perfect example of how a weekend of work can yield a decade of value on the farm. By investing in quality materials and the right tools, you’re not just building a hay feeder; you’re building a more resilient and cost-effective operation. Now, go get that hay covered.