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How to Build Your Own Garage

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How Do I Install a Garage Addition?

Many people choose to add a garage to their homes to protect their vehicles from severe weather. A well designed garage can also add value to your home. Installing a garage will be easier than you probably think if you have the right tools.

Things You'll Need:



  • Pencil

  • Paper

  • Small Excavator

  • Concrete

  • Gravel

  • Nail Gun

  • Lumber

  • Table Saw

  • Insulation

  • Wire

  • Windows

  • Doors

  • Drywall



  1. Draw a diagram of the dimensions you want the garage to be. Make sure you write very specific details about each dimension in terms of height, width and length.

  2. Show these dimensions to a local expert at a hardware and home improvement store. They will be able to help you purchase the right amount of supplies and materials based on your dimensions.

  3. Dig the footer of your garage with a small excavator. Excavators are rented out by many local dealerships.

  4. Put around four inches of gravel in the trench you dig.

  5. Pour concrete on top of the gravel and let it sit for at least 24 hours.

  6. Build the frame of the garage first including the roof. Use a table saw to cut the pieces of wood and a nail gun to attach them together.

  7. Install the windows and doors next.

  8. Wire the garage next and install all electrical outlets.

  9. Insulate the garage next. Talk with the same expert you did before about what types of insulation are best for garages.

  10. Build the roof next. Most people like to match the garage roof with the same material as their house.

  11. Build the exterior walls so the insulation is enclosed.

  12. Finish the garage by building the interior walls and installing the floor. Most people have a concrete floor.