10 FAQs and Answers About House Wraps

You’ve probably heard of house wraps before, but aren’t too familiar with them. They’re actually a moisture and air barrier that seals gaps and leaks in the oriented strand board (OSB) panels or plywood sheathing that makes up a layer beneath your home’s siding. This helps in preventing drafts from getting into your main insulation while reducing heating and cooling costs by acting as an additional insulated layer.