Posture the barrier perpendicular to heat move having a minimum three/four-inch air gap for ideal efficiency. For max efficiency mount the barrier within the underside of your roof rafters employing furring strips to keep up right spacing. The decision to take on a project oneself or retain the services of https://addurl-directory.com/listings13039299/5-tips-about-how-to-isolate-roofs-you-can-use-today