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How to level concrete

Overview

Concrete is a great option for plenty of D.I.Y. jobs around the house. We'll show you how to do the job right. You'll learn how to level and smooth the surface of concrete. Plus, you will see how to properly use a straight edge and a finishing float. 

Steps

1Level the concrete to the formwork

Use your square mouth shovel to spread the wet concrete evenly around the inside of the formwork. Make sure all the corners are properly filled. Leave the concrete raised 1cm or so above the formwork. Then use your straight edge to level the surface. Work the straight edge side to side across the formwork, pulling it from one end towards the other. The straight edge will drag the raised 1cm of concrete in front of it, levelling the surface.

2Smooth the surface of the concrete

Once the concrete is level, use your finishing float to smooth out the surface. Gently glide the flat of the blade across the top of the concrete. This works out any small imperfections left by the straight edge. Finish by removing any wet concrete that’s spilled over onto joining surfaces. And don’t forget to clean your tools before the concrete dries.
Health & Safety

Asbestos, lead-based paints and copper chromium arsenic (CCA) treated timber are health hazards you need to look out for when renovating older homes. These substances can easily be disturbed when renovating and exposure to them can cause a range of life-threatening diseases and conditions including cancer. 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.

When following our advice in our D.I.Y. videos, make sure you use all equipment, including PPE, safely by following the manufacturer’s instructions. Check that the equipment is suitable for the task and that PPE fits properly. If you are unsure, hire an expert to do the job or talk to a Bunnings Team Member.