Project Overview

The first thing you need to do when building a carport is create the supports. Follow this step-by-step guide and we’ll show you how to mark out and install them yourself.

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 Dig holes for posts
2 Put in post supports
3 Fill your hole up with concrete
  • Step 1. Dig holes for posts

    Mark out your holes and dig to the plans and specifications of your carport. This can be marked out with stringlines. Before you dig, make sure there isn’t any power, gas or water pipes under where you’re working.
  • Step 2. Put in post supports

    Put some timber supports over the holes for your post supports. Screw the support loosely into the timber so it’s held up out of the bottom of the hole and the concrete can go around it.
  • Step 3. Fill your hole up with concrete

    Finally, fill up your holes with the concrete. Square off the post supports while the concrete is still wet. Use your stringlines from Step 1 to make sure that your supports are all level. After the concrete dries, remove the timber supports and you’re ready to install your beams and posts.

Tools and Materials

Tools

  • Drill
  • Hammer
  • Set square
  • Shovel

Materials

  • Concrete
  • Pencil
  • Post supports
  • Screws
  • Timber
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Health & Safety

Please make sure you use all equipment appropriately and safely when following the advice in these D.I.Y. videos. You need to be familiar with how to use equipment safely and follow the instructions that came with the equipment. If you are unsure, you may feel it is safest to consult an expert, such as the manufacturer or an expert Bunnings Team Member.

Grave health hazards are linked to asbestos, which may be in homes built up to 1990. Health hazards may result from exposure to lead-based paints in older materials and copper chromium arsenic (CCA) treated timber. For information on the dangers of asbestos, lead-based paint and CCA treated timber and tips for dealing with these materials contact your local council's Environmental Health Officer or visit our Health & Safety page. You can also use a simple test kit from Bunnings to indicate the presence of lead-based paint.
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