The contractor is claiming that the heat in the slab caused the top of the slab to dry faster than the bottom (more than would normally occur) and that the insulation under the slab trapped the water on the bottom side of the slab. He is also stating that the slab should have been cured for 90...
I am investigating the cause of some uneven concrete floor slabs. The building had been used for an ice skating rink. The existing floor slab consists of a 3 1/2" slab on grade, in good condition, around what was the ice rink. The new owner of the building hired a contractor to "fill in" the...
