Easy to handle and pre-fabricated batts with a thickness or depth of 11.25″ will be needed to attain an R-value of R38. It is used in floors of crawlspaces and attics, supplying water-resistant insulation with no forming of mildew, fungi, or mold.Nov 20, 2021
What is the thickness of R-38 batt insulation?
An R-38 fiberglass batt should be approximately 12 inches thick, while the thickness of cellulose insulation of a finished, fitted product will larger.Apr 19, 2010
Is R38 attic insulation enough?
R-Value is a measure of insulation's ability to resist heat flow. ... The recommended level for most attics is to insulate to R-38 or about 10 to 14 inches, depending on insulation type.
Every home builder in our area must insulate the attic to a minimum of R-38. ... And more insulation generally means your home will be more comfortable, more energy efficient, with a higher resale value.Jul 6, 2021