Dense-packed cellulose insulation - the History. ... When done right, dense-packed cellulose is a highly efficient option for insulating exterior walls. It insulates as well if not better than the average batt (R3. 5-3.8/inch), and slows air flow through walls making your house cheaper and easier to heat and cool.Jun 9, 2014
What R-value is 12 inches of cellulose?
The number is presented per inch, so an R-value of 3.1 at 12 inches would provide an overall value of R-38. The chart below offers guidelines for R-values based on where you live and what you are insulating.Nov 21, 2017
Is dense pack cellulose an air barrier?
Dense pack cellulose and dense pack fiberglass are not air barrier materials, and they do not result in air barrier assemblies. Although, with respect to air barrier assemblies, they sometimes come pretty close.Dec 13, 2010
What is dense packed cellulose insulation?
With a process called dense packing, cellulose insulation is pneumatically installed at high velocity to densities greater than 3.5 pounds per cubic foot, it acquires a unique air sealing property. In this process, the material behaves as a liquid, flowing into obscure bypasses and solidifying them.
Can you pack cellulose insulation?
When done right, dense-packed cellulose is a highly efficient option for insulating exterior walls. It insulates as well if not better than the average batt (R3. ... In addition, the high density of packed cellulose provides you with a better sound barrier than batt insulation (1).Jun 9, 2014
Does dense pack cellulose need a vapor barrier?
Dense pack cellulose and dense pack fiberglass are not air barrier materials, and they do not result in air barrier assemblies.Dec 13, 2010
Is denser insulation better?
Higher R value: Dense foam has a higher R value than traditional spray insulation foams because the foam is denser and provides better protection against the heat. The thicker, denser foam is better able to guard against heat and escaping air, which makes it ideal for uses where a high level of insulation is required.