Roof Slab Curing Time

14 days for underside of slab beams arches above 4 5 meter up to 6 meter span.

Roof slab curing time.

21 days for underside of beams arches above 6 meter span and up to 9 meter span. Curing time for concrete. The removing of shuttering related with span of the roof slab. The precast concrete items are normally immersed in curing tanks for a certain duration.

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. The enclosed area is continually flooded with water. In standard industrial cases full strength concrete is recognized at 28 days. Ideally the slab could be water cured for 7 days some builders on a tight schedule water cure for 3 days as this achieves approximately 80 of the benefit of water curing for 7 days.

Pavement slabs roof slab etc. 48 hours for sides of foundations columns beams and walls. Are covered under water by making small ponds. But to answer the question of how long does concrete take to set concrete setting time is generally 24 to 48 hours.

At this point the neighborhood dog will not leave his footprints in it but you should keep it clear of heavy equipment during this time period. Water curing can be done after the slab pour by building dams with soil around the house and flooding the slab.