Situation The barrier perpendicular to heat flow that has a minimal three/four-inch air hole for optimum overall performance. For maximum effectiveness mount the barrier to the underside of the roof rafters making use of furring strips to take care of right spacing. A number of of our neighbors told us https://milo0la89.blog2news.com/32537869/the-definitive-guide-to-how-to-isolate-roofs