WebJan 30, 2009 · Cellulose insulation has an R value of approximately 3 to 3.5 per inch. So we have between R36 and R56 in the attic. The depth varies quite a bit because we have attic trusses and a floor in the attic. The floor … WebDec 20, 2024 · Increased prescriptive attic insulation. R49 in Climate Zones 2-3; R60 in Climate Zones 4-8. To meet this requirement, you can use many types of insulation. Here are some sample values: Cellulose (R-3.8/inch): 13 inches for zone 2-3 or 15 inches in zones 4-8; Expanded Polystyrene (XPS: R-5/inch): 10 inches for zone 2-3 or 12 inches in zones 4-8
How thick is R60 blown fiberglass insulation? - KnowledgeBurrow
WebSep 1, 1991 · This is equal to about 6 inches of cellulose insulation. With 5/8-inch drywall, the allowable load is 2.2 pounds per square foot, or about 10 inches of cellulose. I have seen many ceilings with 5/8-inch drywall over a 24-inch on-center framing with 12 inches of loose fill insulation that did not have problems. Web1 In field testing on identical 2x4 exterior wall types, Greenfiber® R-13 Stabilized Spray-Applied Insulation outperforms R-15 unfaced fiberglass batts by 4 NIC raring points, which equates to a 60% reduction in sound power. The weak point in the assembly such as flanking through windows and doors will diminish the value of the reduction in sound power. iowa field of dreams mlb
Recommended Home Insulation R–Values ENERGY STAR
WebMay 16, 2024 · According to the Insulation Institute, the cellulose has the R-value of 3.7, and this translate to 16 inches for R60. (3.7x16"=59.2). On the other hand, the lose pink or … WebNov 11, 2024 · Beside above, how much Atticat insulation do I need? Fiberglass and cellulose insulation have R-values of 2.9 to 3.8 per inch while sprayed foam insulation can go as high as 8.0 per inch. According to the U.S. Department of Energy, it’s recommended that attics have an R-38 to R-49, or about 12 to 15 of fiberglass or cellulose insulation. WebMar 11, 2024 · It appears that 16″ deep is to get R60 for attic loose fill cellulose insulation, and 24″ deep is to get R60 for attic loose fill fibreglass insulation. how thick is r30 cellulose? Blown in Fiberglass Attic Insulation Similarly, it is asked, how many inches is r60? The average recommended level is 17 inches of R60. op auto clicker tiny task