Build Your Own Cornhole Game DIY Guide

Understanding Cornhole Basics and Game Setup

Cornhole is a lawn game that has grown in popularity across the United States over the past two decades. The game involves tossing bean bags at a wooden board with a hole in it, and players score points based on where their bags land. According to the American Cornhole League, cornhole tournaments now occur in all 50 states, with participation increasing by an estimated 30% annually since 2015.

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The basic setup requires two boards positioned 27 feet apart on level ground. Each board measures 2 feet wide by 4 feet long and sits at a slight angle, typically elevated 12 inches at the head and 4 inches at the foot. The hole in each board is 6 inches in diameter and positioned 9 inches from the top of the board. Players stand behind one board and throw bean bags toward the opposite board, trying to land bags on the board surface for 1 point or through the hole for 3 points.

Understanding the scoring system is essential before building. A standard game runs to 21 points, though some variations play to 15 or 11 points. When both players or teams throw their bags, you calculate the net score by subtracting lower scores from higher scores. For example, if one player scores 7 points and the other scores 4 points, only the player with 7 points receives 3 points toward their game total. This cancellation scoring method keeps games competitive and prevents runaway leads.

Practical takeaway: Before construction begins, measure your available outdoor space to confirm you can accommodate the standard 27-foot distance between boards. This measurement determines whether you need a backyard, park space, or can use a driveway area. Having adequate space ensures your finished game will be playable and safe.

Materials and Tools You'll Need

Building a cornhole board requires relatively basic materials that you can source from hardware stores or lumber suppliers. The primary material is plywood, specifically a single sheet of 3/4-inch exterior-grade plywood measuring 2 feet by 4 feet. Exterior-grade plywood costs between $35 and $55 per sheet and resists moisture and warping better than interior plywood. You'll also need four 2-by-4-inch boards cut to specific lengths for the frame and legs, costing approximately $15 to $25 per board.

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For fastening, you'll need 2.5-inch exterior wood screws (a box of 50 costs around $8 to $12) and wood glue rated for exterior use. If you plan to paint or stain your boards, budget an additional $15 to $30 for quality exterior paint or wood stain. Sandpaper (120-grit and 150-grit) costs about $5 to $8 for an assorted pack. For the hole, you'll need a hole saw bit set that includes a 6-inch bit, which ranges from $30 to $60 if purchasing new.

Essential tools include a circular saw or miter saw for cutting lumber, a power drill with bits for pre-drilling screw holes, a jigsaw for the hole cutting, a level for ensuring proper board angle, and a measuring tape. If you don't own these tools, you might rent them from a home improvement store for $15 to $30 per day, or borrow from friends and neighbors. A square, clamps, and a pencil for marking are also helpful. Safety equipment including work gloves, safety glasses, and a dust mask should be worn during construction.

The bean bags themselves can be purchased pre-made for $15 to $25 per set of eight bags, or you can make them by filling fabric squares with dried corn or beans and sewing them closed. Many builders purchase bags rather than make them to save time. A complete set of materials for two boards, including bags and finishing supplies, typically costs between $150 and $250.

Practical takeaway: Create a materials list and visit your local hardware store before starting. Many stores offer free cutting services for lumber, which can save considerable time and ensure accurate dimensions. Ask store staff about rental options for specialized tools if you don't own a hole saw or power tools.

Step-by-Step Board Construction Process

Begin construction by cutting your 2-by-4-inch boards to size for the frame and legs. You'll need four pieces that are 24 inches long (the width of the board) and four pieces that are 36 inches long (the length minus 4 inches for frame depth). Cut eight additional pieces from 2-by-4s: four at 12 inches for front legs and four at 4 inches for back legs. These leg pieces create the angle that makes cornhole boards playable.

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Assemble the frame first by laying out your 24-inch and 36-inch pieces in a rectangle. Pre-drill holes at the corners to prevent wood splitting, then use 2.5-inch screws to attach the pieces together. Apply wood glue to joints before screwing for added strength. The frame should be square and level when complete. Attach the plywood sheet to the top of this frame using screws spaced every 6 inches around the perimeter and in a grid pattern across the interior. This prevents warping and ensures durability.

Next, cut the hole using a 6-inch hole saw bit on a power drill. Mark the hole location 9 inches from the top edge and centered left to right (12 inches from either side). Start the hole slowly to prevent the bit from slipping, and have another person support the underside of the plywood as you cut to prevent splintering. Once the hole is complete, sand the edges smooth using 150-grit sandpaper wrapped around a block of wood.

Attach the legs to the frame using 2.5-inch screws. The front legs (12-inch pieces) go at the lower end, and the back legs (4-inch pieces) go at the higher end. This creates approximately a 10-degree angle from front to back, which is the standard for tournament play. Check that the board is level from side to side and tilted properly front to back using a level tool. The board should feel sturdy when pushed, with no wobbling or movement.

Practical takeaway: Take time to pre-drill all screw holes to prevent wood splitting and ensure strong joints. Wood splitting is the most common problem in DIY cornhole construction and weakens the structure. Pre-drilling takes only minutes but significantly improves the final product's longevity.

Finishing and Weather Protection

After construction is complete, sand the entire board with 120-grit sandpaper, then 150-grit sandpaper for a smooth finish. Pay special attention to the hole edges, which will contact bean bags frequently and can splinter if left rough. Sanding removes construction dust and prepares the surface for staining or painting. This step takes about 30 to 45 minutes per board and makes a noticeable difference in both appearance and performance.

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Choosing between paint and stain depends on your preference and climate. Paint provides a protective layer and allows for decorative designs, logos, or team colors. Quality exterior paint costs $20 to $30 per quart and typically covers two boards with two coats. Stain enhances the natural wood grain while providing weather protection and costs $15 to $25 per quart. Both options should be exterior-grade to withstand sun exposure, rain, and temperature fluctuations. Apply two coats, allowing proper drying time between coats as specified on the product label, typically 4 to 24 hours depending on temperature and humidity.

Seal unpainted wood surfaces with exterior polyurethane or wood sealer to protect against moisture damage and UV rays. This is especially important for the plywood top surface, which experiences direct sunlight and rain exposure. Polyurethane adds a protective layer that prevents warping and extends the board's lifespan by several years. The leg joints and screw heads should receive extra attention during sealing, as these areas are vulnerable to water infiltration and rust.

Storage and maintenance between seasons extend your boards' useful life significantly. In winter or during extended periods of non-use, store boards in a garage, shed, or under a weatherproof cover. This protects them from harsh weather and UV damage. During use, inspect boards regularly for cracks, splintering, or fading. Touch up paint or stain as needed, and re-seal wooden surfaces every two to three years depending on weather exposure. Boards maintained properly can