Quora User, Curious by nature;RDH. Honestly, it depends on where you live and what type of cleaning you need. This is the internet, it will be different in India than the US. Even in the USA the suburbs will usually be a little less than the city - the costs of running a business, education, skill... Are all taken into consideration.
Depending on the type of concrete used and the size of the sidewalk it will take anywhere from 24-72 hours before it can be walked on. The edges of driveways that will bear more weight may need longer. Check with the instructions provided by the manufacturer for specific dry and cure times.epending on the type of concrete used and the size of the sidewalk it will take anywhere from 24-72 hours before it can be walked on. The edges of driveways that will bear more weight may need longer. Check with the instructions provided by the manufacturer for specific dry and cure times.
Wait another 30 minutes, then sweep up and dispose of the cat litter. Soak up remaining remnants of oil on the surface of the block paving with an old, dry rag. Press the rag onto the surface of the paving and into the gaps. Don't rub the oil stain as it will make it harder to remove.Throw out the rag. Pour grease-cutting detergent into a bucket. Look at the directions on the bottle and add hot water as instructed. Dip a scrub brush into the bucket to get it moist with the detergent and water mixture.Scrub at the stain on the block paving.hrow out the rag. Pour grease-cutting detergent into a bucket. Look at the directions on the bottle and add hot water as instructed. Dip a scrub brush into the bucket to get it moist with the detergent and water mixture. Scrub at the stain on the block paving.