How to Make a Raised Bed Cover | Frame, Wire & Hinges

A raised bed cover is built by constructing a wooden frame slightly larger than the bed, attaching vertical posts, and securing galvanized chicken wire or frost cloth to the inside.

Garden pests and early frosts can undo a season of work fast. A DIY raised bed cover solves both problems — keeping rabbits, squirrels, and deer out while extending your growing weeks in spring and fall. The basic design uses a rectangular lumber frame that lifts off or hinges open, faced with wire or fabric that lets in sun and rain. A single-person build takes about an afternoon with a drill, saw, and staple gun. Here is what you need to know to get it right the first time.

What Materials and Dimensions Do You Need?

The standard raised bed cover uses 2×2 or 2×4 lumber, galvanized chicken wire (1-inch mesh), and exterior-grade hardware. The frame should sit slightly larger than the bed itself so it drops over the sides without binding. For a 4ft by 8ft bed, you will cut two 4ft pieces and two 8ft pieces for each of the two rectangular frames (bottom and top).

Costs vary by region and retailer, but expect roughly $8–$15 per 8ft 2×2 board at Lowe’s or Home Depot. A 36-inch by 50-foot roll of 1-inch galvanized chicken wire runs about $30–$50. Rust-resistant hinges cost $5–$15 each. If you are covering a standard 4×8 bed, the lumber and wire alone will land in the $60–$100 range — still well under the price of a pre-made kit.

How to Build the Frame the Right Way

Start by constructing the bottom rectangular frame on level grass or a driveway. Lay the cut pieces in position, drill pilot holes at each corner, and drive two 2-inch exterior screws per joint. Adding a diagonal brace across each corner strengthens the rectangle and prevents racking when you lift it.

Attach the 36-inch leg posts at the four corners by sandwiching them into the bottom frame and screwing through the frame into the leg. Stand the assembly upright and build the top frame the same way — matching the dimensions of the bottom frame exactly. Connect the top frame to the top of the leg posts. The result is a four-sided box with open sides and an open top.

For a pocket-hole version using the Kreg jig, set the tool to the correct thickness, apply wood glue to the mitered ends, clamp, and drive 1 ¼-inch pocket hole screws for the frame joints, then use ¾-inch screws to attach the legs. This method leaves no visible screw heads on the top surface.

If you need a cover that opens like a lid, build the top frame as a separate piece and attach it to the legs with rust-resistant hinges. For a full box that lifts off entirely, skip the hinges and add barrel bolts on each side to lock the cover to the bed frame so wind cannot blow it off.

Attaching Chicken Wire or Frost Cloth

Roll out the chicken wire alongside the frame and cut a piece large enough to cover one side plus a 2-inch overlap at the edges. Set the wire against the inside of the frame — pests will try to push through from outside, and wire stapled to the interior is harder to dislodge.

Pull the wire as tight as possible (taunt) before stapling. Use a heavy-duty staple gun with ½-inch or ⅝-inch staples every 4–6 inches along the inside edge of the lumber. Gaping slack at the bottom is the number-one failure point — rabbits will find a quarter-inch gap in one night. Work around the entire frame, then trim the excess with wire cutters.

For the top, position the wire across the top frame, staple one edge, stretch it taut diagonally to the opposite corner, and staple the rest. Snip off the sharp wire ends flush against the wood so you do not cut yourself reaching over the bed.

Adding a Frost Tunnel Instead of a Box

A frost tunnel works better for taller crops like tomatoes or peppers that would hit the top of a flat lid. Drive lengths of ½-inch PEX pipe into the soil on each side of the bed — at least 7ft per arch — and bend them over to form hoops. Secure each pipe at ground level with PEX clamps or wall mounts, using two per side (four per arch) for stability. Drape frost cloth over the arches and weigh the edges down with soil, bricks, or landscape staples. The tunnel structure handles light frost cloth well but will not support heavy wet snow or extra weight — keep it clear in storms.

Common Mistakes That Ruin a Cover

Most issues are avoidable with a few precautions. Using nails or drywall screws instead of exterior-grade wood screws guarantees splitting and rust within a season — use deck screws or coated exterior screws every time. Not stretching the chicken wire before stapling leaves gaps that let mice and voles in; pull hard and check for sag before committing the first staple. Skipping the pre-drill on 2×2 boards splits the thin lumber and weakens the joint. For pipe arches, a single clamp per side lets the arch wobble — always use two per pipe section so the tunnel stays square. Finally, measure your bed twice before cutting; the cover only works if it matches the exterior dimensions of the frame.

Hinged Access Makes Daily Use Practical

If your cover is a lift-off box, you will wrestle it off every time you need to water, weed, or harvest. Attaching rust-resistant hinges along one side of the lid frame turns the cover into a door that opens and closes with one hand. Install two hinges for a 4ft side, three for anything wider — space them evenly so the weight distributes. Add a barrel bolt or two on the opposite side so the lid stays shut when closed (wind flips unsecured hinged lids easily). If you garden heavily and want a buy-it-ready cloth raised bed option that skips the carpentry entirely, the roundup covers tested commercial covers with built-in zippers and frames.

Final Checklist: What to Verify Before You Call It Done

Before setting the cover on your bed, confirm each item so you do not have to disassemble later:

• All screws are exterior grade — if any look like standard drywall screws, swap them now.
• Chicken wire is stapled to the inside of the frame, not outside.
• Wire is tight enough that it does not sag or bell when you push with your palm.
• No sharp wire ends stick out at face or hand height.
• Hinges swing freely; barrel bolts align with the catch.
• Cover sits square on the bed without rocking.
• Leg posts are tall enough for your tallest crop with 3–4 inches of clearance.
• If using frost cloth, verify the fabric is rated for the coldest temp in your zone.

A cover that passes this list will survive wind, rain, and raccoons for years. The only regular maintenance is checking for loose staples each spring and replacing rusty hardware as it appears — both five-minute fixes that keep the build working.