Technical Advice
We want your concrete project to meet its full potential. Properly installing concrete is key to avoiding unsightly cracking or structural issues down the road.
We’re happy to advise on best practices tailored to your specific project requirements.
Consult with our team before installation to proactively address cracking risks and set your concrete up for long-term success.
Get in touch with our team today to discuss your project.
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Here are some useful tips:
1. Mind the Weather
Rain, heat, and wind during installation can negatively impact curing and lead to cracks. If possible, only pour concrete in favourable weather – moderate temperatures, low humidity, and calm conditions. When the weather does not cooperate, take protective steps like temporary rain shelters.
2. Compact the Soil
Make sure soil and aggregates underneath are well compacted before pouring. Loose ground settling unevenly produces cracks. Also confirm subsurface materials are optimally moist, not too dry and absorbent. Soak the very arid substrate thoroughly first.
3. Consider Fibers
Adding polymer fibres to the concrete mix makes it more resistant to early cracks. We recommend evaluating fibres for projects like flatwork and slabs. The fibres reinforce the entire volume of concrete.
4. Plan Joints
Large concrete sections without joints will likely crack due to heat/cooling cycles. Carefully plan where to install expansion joints during the pour or saw cut joints post-pour. Proper joints provide room for the concrete to expand and contract.
5. Cure Intentionally
Concrete continues strengthening over 28 days after pouring. Keep the slab protected and moist during this window for the concrete to properly hydrate without cracking. Strategies include liquid membrane compounds applied after finishing or breathable coverings like hessian sheets.
How much do you need?
It can sometimes be difficult to estimate your concrete requirements.
Our handy concrete calculator will help you work out how much concrete you need for your project.