Project Overview

Following on from our How to set up posts for a carport video, find out how to install the posts and beams to finish off the framework. The amount of corner and side posts you’ll need depends on the size and plans of your carport, which you should determine before you start the job.

Continue to step-by-step instructions
This D.I.Y. Advice is part of a series How To Build a Carport

Step by Step Instructions

1 Measure and mark beam height
2 Cut the posts to size
3 Put the posts into your supports
4 Brace posts with timber and clamps
5 Lift up and nail your beams
6 Screw the beams together
  • Step 1. Measure and mark beam height

    To create a side post for your carport, measure out your beam height and mark it out squarely on the end of the post. Then down the side of the post, measure out how thick the beam will be so that it sits in squarely on the post. 

  • Step 2. Cut the posts to size

    Cut along the marked lines with your circular saw and you will create the cut out in the post that will support a beam. Knock out the cut off with a hammer, and then chisel off any rough edges. For your corner posts, mark up and cut another side on the post. 
  • Step 3. Put the posts into your supports

    You’ll need a friend to help you put the posts into the supports that you’ve already made. Use a spirit level to make sure the posts are level or your carport won’t be straight. Place the post in the middle of the support with the cut outs facing outwards. 

  • Step 4. Brace posts with timber and clamps

    When your post is level, screw in the post to the support. Brace your posts with timber and clamps so it doesn’t move while you’re finishing.

  • Step 5. Lift up and nail your beams

    With the help of a friend, lift up your pre-cut beams and nail them into the cut outs at the top of your fixed posts, just to hold them in place. Make sure the beams have been cut on a 45° mitre to get a nice sharp corner when you join them together.

  • Step 6. Screw the beams together

    Once your beams are all in place, screw them together. Put the batten screws in at different heights so that they don’t hit each other at the joins. Continue on nailing and screwing in your beams until you’ve finished your carport framework.

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