The Best Way To Completely Insulate Your Roof
The principal gauge of the efficiency of any insulation is its R-Value. Insulation is manufactured to hinder the flow of warmth. The more heat the insulation stops, the higher the R-Value of that insulation.
When comparing spray on insulation to fiberglass insulation, you will find that the spray foam has a much higher R-value for any given thickness. In other words, 2 inches of spray foam will insulate your roof better than 2 inches of fiberglass batts.
Read more on spray foam insulation kits
