What's inside
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A small patio firewood rack should keep logs off the ground, shed rain, and fit where you can still walk past it. The simplest useful design is a narrow wooden frame with a sloped roof, open sides, and enough airflow to prevent damp wood from staying trapped. This plan holds roughly one-third of a face cord, depending on the rack’s dimensions and how tightly you stack it.
Contents
Project Overview
The finished rack is 36 inches wide, 16 inches deep, and about 48 inches high at the front. The roof overhangs the sides and front by 2 to 3 inches. That footprint works on many small patios, but measure your space first. Leave at least 24 inches in front of the rack for loading and removing logs.
| Material choice | Advantages | Drawbacks | Best use |
|---|---|---|---|
| Pressure-treated lumber | Affordable, widely available, handles outdoor moisture | Heavier, wet when new, less attractive | Lowest-cost practical build |
| Cedar | Light, naturally rot-resistant, easy to work | Costs more and dents more easily | Visible patios and lighter construction |
| Exterior plywood roof | Simple, rigid, inexpensive | Edges must be sealed; can delaminate if neglected | Basic covered rack |
| Corrugated metal roof | Excellent rain shedding and long service life | Costs more and needs careful fastening | Wet climates or year-round use |
For the cheapest build, use pressure-treated 2x4s and a piece of exterior plywood. Cedar is worth considering if the rack will sit beside finished patio furniture. Do not use untreated construction lumber unless the rack will remain completely protected from weather.
Materials and Tools
You will need four 8-foot 2x4s, one 2×4 crosspiece or two 1×4 rails for the log supports, a 2-by-3-foot piece of 1/2-inch exterior plywood, and exterior-rated screws. Buy 2-1/2-inch exterior wood screws for the frame and 1-1/4-inch screws for the roof. Add exterior wood glue only where it will not be exposed to standing water.
A circular saw, drill, tape measure, square, pencil, and two clamps are sufficient. A miter saw makes repeated cuts faster but is not necessary. Use a water-repellent exterior wood sealer if you want the rack to last longer. Wear eye protection when cutting treated lumber and avoid burning scraps from pressure-treated wood.
Cut List
Cut the following pieces:
- Four legs, 42 inches long
- Two front and back upper rails, 36 inches long
- Two side upper rails, 16 inches long
- Two lower side supports, 16 inches long
- Two log-support rails, 36 inches long
- Two roof supports, 20 inches long
- One roof panel, 42 by 22 inches
The 42-inch legs create a roofline near 48 inches after the roof supports and panel are installed. If you need a lower rack, cut the legs to 36 inches. Keep the 36-inch width unless your firewood is unusually short; a rack narrower than 30 inches tends to tip when loaded.
Build the Frame
Start by making two side frames. Lay two legs parallel on a flat surface, with their outside faces 16 inches apart. Position an upper side rail between them, flush with the leg tops. Install a lower side support 4 inches above the ground. Pre-drill near the ends, then drive two screws through each leg into each rail.
Repeat for the second side. The lower supports are not decorative: they keep the legs from spreading and support the ends of the firewood. If your patio slopes, mark the lower supports while the rack is sitting in its final location rather than assuming the floor is level.
Stand the side frames upright and connect them with the 36-inch front and back upper rails. Check that the frame is square by measuring diagonally from corner to corner. Adjust until both diagonal measurements are within 1/8 inch, then add the screws. A rack that is slightly out of square can still hold wood, but its roof will fit poorly and the legs may rock.
Add the Log Supports and Roof
Install the two 36-inch log-support rails between the front and back legs, about 4 inches above the patio. Set their top edges level with the lower side supports. These rails carry the weight of the wood, so use two screws at every joint. For heavier hardwood logs, add a third center support running front to back under the stack.
Attach the two 20-inch roof supports across the side frames, running from front to back. Set the rear supports about 2 inches lower than the front supports to create a slope. Even a small slope is better than a flat roof, which holds puddles and sags under wet snow.
Center the roof panel over the supports. It should overhang the front and sides by about 3 inches and the back by 2 inches. Fasten plywood every 8 to 10 inches along the supports using the shorter exterior screws. Do not overtighten them, or the screw heads will pull through the plywood. If your patio receives heavy rain, replace the plywood with corrugated metal roofing panels over plywood or install a second layer of roofing felt beneath the panel.
Weatherproofing and Placement
Round over sharp corners with sandpaper, especially on the front posts. Seal cut ends of pressure-treated lumber and all plywood edges. The end grain absorbs water quickly and is a common failure point. Let newly treated lumber dry before applying finish; this can take several weeks, depending on weather.
Place the rack on pavers, concrete, or pressure-treated spacer blocks rather than directly on soil. Keep the rear at least 2 inches from a wall so air can circulate. Do not push it against siding, and do not place it directly beside a grill, fire pit, furnace vent, or other heat source. A few inches of clearance will not make a firewood rack fireproof.
Load and Maintain the Rack
Stack logs bark-side up when possible, with the cut ends facing outward. Leave small gaps between pieces instead of packing the rack tightly. Freshly split wood needs airflow; covering wet wood tightly can trap moisture and encourage mold.
Keep the stack below the roofline and do not let logs hang more than 2 inches past the sides. Overhanging wood shifts the center of gravity and can pull a lightweight rack forward. Once each season, check for loose screws, roof cracks, soft end grain, and legs that are no longer sitting flat. Replace a split roof panel promptly. A rack that stays dry at the top but wicks moisture through its feet will still rot from the bottom upward.
For a rack that will be moved often, use fewer boards and keep the stack shorter. For a permanent rack in a snowy climate, add diagonal braces from the rear legs to the upper back rail and use the galvanized corner brackets at the roof joints. The basic design is enough for a small patio, but those additions address the two common problems: racking from side loads and roof damage from accumulated snow.