The goal of any homeowner is to make their home an even better place to live. The next item on your list is insulation, but there’s a question over off-gas. The word contractors use for off-gas is VOC or volatile organic compound. It's basically all of the little bits that are expelled during the process of spraying something. Off-gas is in your hairspray, your kid's body spray, and anything you brought home from the dry cleaners. But does spray foam insulation off-gas?