How to Make a Wooden US Flag: Step-by-Step Guide

A wooden U.S. flag uses 13 equal red-and-white stripes, a blue canton in the upper hoist corner, and 50 white stars in nine rows alternating six and five, all built to a 1:1.9 height-to-length ratio.

A single mismeasured stripe throws the whole panel off, and the fix starts before any paint opens: divide the height by 13 first, then cut. The specs below come from 4 U.S.C. §1 and the standard flag-design references, scaled to whatever wood panel you build. Work through the layout and paint order once and the piece lasts for years indoors or out.

Wooden US Flag Dimensions: Where The Proportions Land

Every measurement on a U.S. flag scales from the hoist — the height of the flag along the pole edge. Divide the hoist by 13 and you have your stripe width; everything else keys off that single number.

• Overall ratio: 1:1.9 (height to length).
• Stripe width: 1/13 of the hoist, with red at the top and bottom.
• Star diameter: 0.0616 of the hoist, one point upward, in nine rows alternating six and five stars.

These are 4 U.S.C. §1 proportions, not a government-issued flag size — scale them to any panel you like.

Build Order And Paint Sequence

Prepare and reinforce the wood before any color goes down, then paint from the largest field to the smallest detail so wet tape never touches a wet finish.

1. Size and prep. Cut boards or a panel to your ratio, check for square and flat, then sand and wipe off dust.
2. Reinforce the back. Clamp the boards, then add rear battens or a backing panel so seams stay put.
3. Mark the layout. Divide the height into 13 equal stripes and pencil in the canton. Label the piece as a stylized interpretation if you deliberately deviate.
4. Prime. Seal all faces, especially end grain and any surface headed outdoors.
5. Paint stripes. Lay down red and white fields, letting each coat dry per the paint label. Tape only over fully dry paint.
6. Paint the canton. Mask and fill the blue rectangle, then let it dry before any stenciling.
7. Add stars. Stencil 50 white stars in the alternating six-and-five rows using a measured template.
8. Topcoat and hang. Apply an exterior-rated clear finish after the paint cures, then attach hardware to sound wood and confirm the wall holds the weight.

Match your paint as closely as the brand allows and note it on the can for touch-ups. 4 U.S.C. §1 is the actual statute describing the stripes and star field if you want the source language.

Common Mistakes And Outdoor Details

Most failed wooden flags trace back to a layout error caught too late or a topcoat applied before the paint had cured — both are avoidable with a slow first hour.

Watch for 12 stripes, a reversed red-white order, white at the top, or a canton on the wrong corner. Adding 48 stars because an older diagram lingered in a search result is another frequent slip; the current flag carries 50. Six-star rows everywhere instead of the six-and-five alternation is the fourth. Measure from the actual assembled panel, never from nominal lumber dimensions, because a “1-by-4” is not one inch by four.

Outdoor pieces need sealing on every face, edge, and fastener hole, plus a topcoat confirmed not to discolor your chosen paint. Sand and saw outdoors or with good ventilation, wear eye protection, keep guards on tools, and follow every manufacturer label for paint and finish. The official specs cover the flag design only — they say nothing about wood species, method, or size, so those calls are yours. If you’d rather skip the build and see how finished versions compare, this roundup of tested wooden flag options lays out the ready-made picks.