How to build a swing garage door. garage door build part 1 of 3 maxwellsworld check out these other channels that you might enjoy my vloggin channel thebordercityvlogger . I love to make things myself, and especially saving money doing it myself! We needed a replacement garage door, and I perfer one that swings out so I can use . This is how I built low cost Barn Doors .I also made low cost hinges I bought the basic hinge and cut 1/4x2x18 steel and drill the 3/8 holes lined up with the .