Cellulose insulation has an R-value of R-3.2 to R-3.8 per inch. Deciding between several different types of insulation can be ...

In general, an attic's R-value should be between R-30 ... It can be effectively blown over existing insulation and is available in fiberglass, cellulose, and mineral wool. Cellulose is the most ...

Say you find 14 inches of blown-in cellulose insulation, which has a typical R-value of around R-3.5 per inch, in your attic. That means your attic is insulated to about R-49, or 14 x 3.5. Keep in ...

Your attic’s insulation plays a big role in maintaining ... Modern insulation materials have better thermal resistance (R-value) compared to older cellulose, which means they provide superior ...

Mark Insulation Level in Attic and Drill Holes in Walls ... Blown-in cellulose also boasts one of the highest R-values by price. Blown-in cellulose insulation is insulation made of plant material ...

Water vapor from the atmosphere, showers, cooking, and even breathing constantly moves back and forth through walls and ceilings, dropping Fiberglass or Cellulose insulation's R-value - as much as ...

Rock wool and dense-packed cellulose insulation, on the other hand ... the southern tip of Florida is in Zone 1 and needs an attic R-value of R-30 to R-49. Alaskans are in Zones 7 and 8, requiring ...

Your attic’s insulation plays a big role in maintaining energy efficiency, reducing utility bills, and keeping your home at a comfortable temperature year-round; however, older insulation ...