How Thick Is R38 Insulation?
Insulation thickness will vary depending on the specific project and the type of insulation being used. However, general consensus is that R38 insulation is typically about 1/4-inch thick. What is the difference in thickness between R38 and Blister insulation? R38 insulation is thicker than Blister insulation. Is R49 insulation good? Yes, R49 insulation is good. ... Read more...