Question from Carol
I am installing solid bamboo in my living room (concrete slab) and am told I need a vapor barrier. They recommend a 6 ml polyethylene vapor barrier, but I’m wondering about offgassing during the hot summer months here. I plan on using a cork underlayment and thought this would act as a vapor barrier, but they are telling me it is not a vapor barrier.
Debra’s Answer
It’s totally fine. Polyethylene is one of the least toxic plastics and is not likely to outgas as a result of temperatures found in a home.
