When concrete is removed from a construction, renovation or demolition site, what happens next depends on its condition and what it is mixed with. It may be sorted, processed and recycled rather than going straight to landfill.
If you are arranging concrete waste disposal, it helps to understand what happens to the concrete after the skip is collected. Knowing what to expect can also help you separate different types of waste and choose the right collection arrangement for the job. Richmond Waste provides construction waste recovery and removal services across the Northern Rivers, helping customers manage building and demolition waste responsibly.
The first step is keeping concrete and masonry separate from other waste where possible. Timber, plasterboard, general rubbish and other debris can make a load harder to sort once it reaches a waste facility.
For a renovation or demolition, this could mean using a dedicated skip for concrete and masonry rather than putting everything into one container. Separating the waste as you work also makes it easier to identify what may be suitable for recycling.
After collection, the load can be inspected and sorted at the waste facility. Construction and demolition work often produces a mixture of concrete, bricks, timber, metals, soil and other materials, so the contents need to be separated before they can be dealt with.
Richmond Waste provides construction and demolition waste recovery services, helping ensure these materials are managed appropriately and recovered where possible.
Once concrete has been separated, it may be processed for reuse. This can involve removing unwanted material, crushing the concrete and screening it to produce recycled aggregate.
Recycled concrete aggregate can be used for applications such as road base and other civil construction work. This means concrete removed from one project can become a useful material for another.
Concrete is only one part of the waste generated by many building and demolition jobs. A site may also produce metals, timber, bricks, plasterboard and other materials.
These materials can be directed into their own recycling or disposal streams. This is an important part of construction waste recycling because it allows more of the load to be dealt with appropriately rather than sending everything to landfill.
Not all concrete can be recycled. It may be mixed with other waste, contaminated or unsuitable for processing.
If concrete cannot be recovered, it needs to be sent to an authorised disposal site. Some materials also require completely separate handling. Asbestos, for example, should never be placed in an ordinary construction waste skip.
If you are unsure what can go into your skip, check before loading it. This can help prevent contamination and ensure different types of waste are handled correctly.
Recovering concrete and other building materials can reduce the amount of construction waste that needs to be sent to landfill. According to the NSW EPA, construction and demolition waste had an 80% recycling rate in 2024–25, with this waste stream accounting for the largest share of waste generated in NSW.
For an individual building or demolition job, separating different types of waste can help make more materials available for recovery and recycling.
It is easier to manage concrete waste when you consider it before demolition or renovation starts. Estimate how much concrete is likely to be removed and decide whether it can be kept separate from the other waste generated on site.
You should also consider where the skip will be placed and when it will need to be collected. Gathering these details beforehand can help keep the worksite tidy and avoid unnecessary mixing of waste.
So, what happens to concrete after collection? If it is suitable for recovery, it may be sorted, crushed and processed into recycled aggregate for further use in construction. If it cannot be recovered, it will need to follow an appropriate disposal route.
Understanding what happens after collection can help you make more informed decisions about your waste before work begins. It also highlights the importance of separating different materials so they can be managed appropriately.
If you have concrete or other construction waste from a renovation, demolition or building job, Richmond Waste can help you arrange collection and manage your construction waste. We service building and demolition projects throughout the Northern Rivers, with skip bins and waste recovery available across Lismore, Ballina, Byron Bay, Kyogle and the Richmond Valley.
Contact us to discuss the type and amount of waste you expect to remove and find out the best way to manage it.