Cons: Foam board insulation can be harder to install snugly in unusually shaped spaces, leaving gaps for air to flow. To create an effective air and moisture seal, you need to tape all seams ...

80 per board foot, while closed-cell insulation usually costs between ... that affect the short- and long-term cost of spray foam installation are the complexity of the project, the size and ...

Quick: It can take a few hours to insulate an attic or about a day to install blown-in insulation in an ... a combination of insulating boards, batts, and spray foam usually make the most sense ...