How to build a thin blue line flag. Building a thin blue line flag is easy to do with the right materials and tools. If you want to make a thin blue line flag wall art, watch the video. This DIY thin blue line flag is a nice statement piece to support police officers. You can also use this method to make a thin red line flag or you can build an American flag. This same format can be used to make a flag out of wood in many styles. I build this thin blue line flag out of wood. I use 1x material and I cut them into 1 1/2″ strips. The Union of the flag I used 1×6 and ripped them to size. You can use a 1×12 or even plywood for the union if you wanted. Below is a list of materials, tools and supplies mentioned and used in the video (Amazon affiliate links).
Buy one from our awesome flags from the online store:
Tools and Supplies used:
General Finishes High Performance Top Coat:
50 Stars Stencil:
DeWalt Orbital Sander:
Tiger Shark 120 Grit sand paper:
Rockler Project Mat:
Rockler Bench Cookie:
Elmers Craft Bond:
Titebond 2 Wood Glue:
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Thanks to Cam at Edmonds_Woodshop for the dimensions and help with the flags I build.
The strips are cut 6 at 37 inches. 7 at 22 1/2 inches.
The blue color I used for the stripe is Sherwin Williams Blueblood.
List of Tools and Supplies I use and recommend:
Harbor Freight F Style Clamp:
Music by Epidemic Sound (
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