Any concerns with 6 mil plastic over spray foam, under slab on grade?

The subcontractor pouring our slab on grade foundation put 6 mil plastic on top of the closed cell spray foam we had sprayed over the entire rock surface below the… The subcontractor pouring our slab on grade foundation put 6 mil plastic on top of the closed cell spray foam we had sprayed over the entire rock surface below the…Read MoreGreenBuildingAdvisor