Your garage holds the cars, the tools and the overflow from the rest of the house. These guides cover door safety, sizing, layout and the features worth adding while the walls are still open.
Start with the guide that matches your project, whether you are drawing up a new build, adding a bay or replacing an older door that no longer feels safe.
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Many builders treat 20 by 20 feet as the bare minimum, but 24 by 24 feet gives room to open doors fully and walk around both vehicles. Add depth if you own a full size truck or want a workbench along the back wall.
Look for an auto reverse opener, photo eye sensors near the floor, pinch resistant panels and a manual release you can reach easily. Test the auto reverse once a month by placing a board under the closing door.
If the garage is attached, shares a wall with a bedroom or doubles as a workshop, an insulated door helps keep temperatures steadier and cuts outside noise. It also tends to be quieter and more dent resistant than a single layer door.
Extra outlets on every wall, a dedicated circuit for tools or an EV charger, good overhead lighting, a floor drain where codes allow and ceiling blocking for future storage racks are all cheaper to add before drywall.
