WebLoose-fill is also commonly used for attics. R-values range from 2.2 to 3.8 per inch, depending on the material. For example, in a 3 1/2-inch wall cavity, filling the walls with loose-fill insulation can add an R-value of 7.7 to 13.3 to whatever insulating value is already present in the sheathing, siding, and drywall. WebAug 24, 2024 · The recommended R-value for Colorado homes with electric heat is R-49 in the attic, R-22 in the walls, R-19 in the basement and R-25 in the floors. For homes heated with natural gas the recommendations are R-49 in your attic, R-18 in your walls, R-11 in your basement and R-25 in your floors. Types of Insulation
Insulation R-Value: What is it? Knauf Insulation
WebR-Value Wood Frame Wall R-Value Mass Wall R-Value Floor R-Value Basement Wall R-Value Slab R-Value and Depth Crawl Space Wall R-Value Zone 6 0.35 0.60 NR 49 20 or 13 + 5 15/19 30 15/19 10, 4 ft 10/13 Zone 5 0.35 0.60 NR 38 20 or 13 + 5 13/17 30 10/13 10, 2 ft 10/13 IECC Compliance Guide for Homes in New Hampshire Mar 17, 2024 · harry potter theater hamburg gutscheine
Insulation Department of Energy
WebJul 15, 2016 · As you might expect, the colder the climate, the more insulation you need. A large part of the US and Canadian populations are in climate zones 2 through 5. In climate zones 1 through 3, you could build a Passive House with 2×6 walls. In Fairbanks, Alaska, on the other hand, you’d need some serious thickness in your walls to get R-89. WebJan 3, 2024 · The Department of Energy (DOE) has created a detailed map for … WebEither read the R-value printed on the batts of your existing insulation or use a measuring tape to measure the depth of the insulation (inches). ... Once you have determined the R-value of the insulation in your attic, use the table and climate map below to determine which level of insulation is best for your home. Zone Add the following ... charles knight laporte.pa