Q: Does a concrete contractor normally install the vapor barrier between the
ABC (crushed rock beneath the slab) and the concrete slab or does another company do it?
A: Generally, a concrete contractor would be responsible for installing the vapor barrier before pouring the concrete slab since it is part of the preparation work
along with setting forms.
Kathy Maynard has been matching homeowners with home improvement contractors since 1990 and has written scores of articles advising homeowners how to find, hire and work with reputable service professionals. She also authors Weekend Warrior, a weekly home improvement column in The Sacramento Bee.
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