How do I Build Simple Detached Garage or Carport?

Written by alex smith
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How do I Build Simple Detached Garage or Carport?
Don't let the sun reduce your car's value (desert sun mountain image by Paul Moore from Fotolia.com)

If you're tired of parking your car under the sun, rain and snow, a basic carport may be just what you need. This simple shelter for your vehicle will protect it from exposure to the elements without the need for building permits or licensed professionals. It is also possible to turn this carport into a basic garage by attaching plywood to three of the walls. If you plan to do more than that, however, you will want to see if you are required to obtain building permits.

Skill level:
Moderate

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Things you need

  • Tape measure
  • 8 dowel rods
  • Hammer
  • Roll of string
  • 9-foot 4-by-4-inch posts (6)
  • Concrete
  • Level
  • Clamps
  • 2-by-6-inch boards, 8 feet long (4)
  • 2-by-6-inch boards, 10 feet, 3 inches long (2)
  • 2-by-4-inch boards, 10 feet long (10)
  • 2-by-4-inch galvanised joist hangers (20) and matching wood screws
  • 3-inch wood screws
  • 4-by-8-foot sheets of plywood (5)

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Instructions

  1. 1

    Measure the space for your carport. It should be 16 feet long by 10 feet wide.

  2. 2

    Pound two dowels into the ground beyond each of the four sides of your carport.

  3. 3

    Stretch a string across each pair of dowels to mark the four sides. The strings will intersect at the corners of the carport; everything inside the rectangle they form will be covered.

  1. 1

    Dig six square holes, 1 foot wide and 2 feet deep. Four should be centred under the four corners marked off by the string, and two at the midpoint of the long sides of the carport.

  2. 2

    Pour 6 inches of concrete into each hole and let it harden.

  3. 3

    Place a 4-by-4 post into one of the holes. Use a level to make sure it is positioned vertically at the intersection of the two strings.

  4. 4

    Fill the hole with more concrete, up to 2 inches below ground level. Hold the post in place until the concrete has hardened.

  5. 5

    Repeat this for the other three corners.

  6. 6

    Top off the holes with dirt.

  1. 1

    Clamp the 10-foot-3-inch boards to the posts on the front and back of the carport. Their top edges should be flush with the posts, with 1 1/2 inches overhanging on either side.

  2. 2

    Screw each board to the posts with several wood screws.

  3. 3

    Clamp the 8-foot boards to the posts on the sides of the carport. There will be two per side, butting against each other at the centre of the middle post. Their top edges should be flush with the posts and with the overhang of the boards already attached.

  4. 4

    Screw each board to the posts with several wood screws.

  5. 5

    Attach a galvanised joist hanger every 16 inches inside of the 16-foot board on both sides. They should be positioned so that the 10-foot 2-by-4 boards will be flush with the top of the sides.

  6. 6

    Insert the 10-foot 2-by-4 boards into the joist hangers and screw them in place.

  7. 7

    Screw plywood onto the roof to finish the carport. One of the pieces will have to be cut down the middle to create two 8-by-2 sections.

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