Concrete is used directly for paths and driveways and as a base for shades, to help lay the concrete a timber frame can usually do the job, it holds the wet concrete and can also be used to smoothen it. Pouring a concrete slab, yourself can save you about $500 but happens to be a very complicated job.
The materials needed for laying concrete include the general-purpose cement, General purpose concrete, shovel for mixing, wooden framework rails, wheelbarrow or cement mixer, plastic sheet for curing, and string line. The concrete laying cost in Perth is about $40 to $48 per square meter, as a guide, multiply length x width x depth of the space you want to fill, this will give you the cubic size of the concrete required. Before hiring a professional concrete, contractor here are some tips
Reference: family, friends, and coworkers are a great source of reference especially if the job is a recent one
Protection: your contractor must be licensed and insured, an uninsured contractor is likely to hold you responsible for injuries on the job
Estimates: you should come up with a least of three to four contractors and compare prices, anything more than that would be confusing.
Endeavour to get your contract in writing