But to answer the question of how long does concrete take to set concrete setting time is generally 24 to 48 hours.
Roofing cement cure time.
Work it into the hole or crack with the trowel or putty knife.
Do spray new concrete with water.
Don t thin the cement.
If you re using.
Work in dry weather if possible.
Allow proper time to watercure slabs after concrete is placed the concrete increases in strength very quickly for a period of 3 7 days.
Concrete which is moist cured for 7 daysis about 50 stronger than uncured concrete.
Curing time for concrete in standard industrial cases full strength concrete is recognized at 28 days.
The indian standard is 456 2000 recommends that curing duration of concrete must be at least seven days in case of ordinary portland cement at least ten days for concrete with mineral admixtures or blended cements are used.
At seven days you should have concrete that is cured to 70 full strength or greater.
Fill small holes and cracks with roof cement.
Water curing can be done after the slab pour by building dams with soil around the house and flooding the slab.
Typically the roofing industry has required a 28 day curing period prior to testing the deck for dryness and suitability for roofing.
Clean dust dirt and debris from the area to be patched.
This suggested length of time comes not from nrca but was garnered from the concrete industry s recommendation for the appropriate amount of time for concrete to cure and develop adequate compressive strength.