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A solid base is key to ensuring your pavers stay level and secure for years to come. Whether you're creating a new patio, pathway, or entertaining area, getting the paver foundation right will make all the difference. Follow this step-by-step guide to lay a strong and stable base for your pavers.
Safety tip: Always wear the appropriate safety equipment (safety glasses, gloves, ear muffs and a mask, for example) and always follow the instructions for the product or equipment.
To ensure your pavers sit flush with the surrounding ground, you need to calculate the correct depth to dig. Your base should include 50mm of road base, 20–30mm of bedding sand, and the thickness of your pavers.
For example, if your pavers are 30mm thick, you will need to dig to a depth of approximately 100–110mm.
Once the space is cleared and dug out, use a tape measure to calculate the total square metre area. This will help you determine how much road base and paver sand you will need to complete the project. If you're unsure how to measure accurately, refer to this guide on measuring and marking.
If you do not have an existing edge to work to, install a timber frame to keep your base intact while you work. Measure your space and cut 90x35mm pine timber to length using a circular saw. Set up a stringline to ensure the timber frame is straight, then place your timber in position. Secure it with steel posts and hex head screws to keep it firmly in place.
To create a level surface for your pavers, spread a layer of paver bedding sand at a thickness of 20–30mm. To help maintain consistency, place 25mm or 30mm screed rails at either end of your base. If you are working on a larger area, you may want to add an extra rail in the centre. Start by spreading the sand slightly higher than the screed rails, then use a screed to smooth it out to an even height. Once the sand is levelled, remove the rails and backfill the gaps with sand. Use a trowel to smooth out any remaining uneven spots, ensuring the surface is uniform.
For more advice on working with paving sand, check out this guide on laying pavers.
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.