When you install insulation in an existing closed wall or in an attic it likely will be a loose fill product called blow in cellulose insulation with an attic this type of insulation is just one option along with the other popular alternatives fiberglass batts or blown in fiberglass.
R44 attic insulation.
Kraft faced insulation has a vapor retarder that helps to control moisture.
This calculator is to be used as an estimating tool only.
Loose fill cellulose insulation is composed of pulverized paper and fabric material treated with a flame retardant.
Input depth of existing blown in insulation in inches.
R value is a measure of insulation s ability to resist heat traveling through it.
Attic existing 3 4 inches of insulation uninsulated floor uninsulated wood frame wall insulated wood frame wall 1 r30 to r49 r25 to r30 r13 2 r30 to r60 r25 to r38 r13 to r19 n a 3 r30 to r60 r25 to r38 r19 to r25 and add r5 insulative wall sheathing beneath the new siding.
Take for example the extreme case of the attic being 100 degrees hotter or colder than the conditioned space and suppose the attic is atop 1000 square feet of ceiling.
The higher the r value the better the thermal performance of the insulation.
Insulated to r40 it loses 2500 btuh insulated to r50 it loses 2000 btuh a difference of 500 btuh.
Inspecting your attic insulation.
First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.
Insulation level are specified by r value.
Unlike fiberglass insulation.
Your attic should have a certain amount of insulation in it and the recommended level of insulation for your attic is dependent on where you live.
Owens corning pink insulation is soft to the touch and easy to install.
Blown in attic insulation at home comfort insulation we use both fiberglass and cellulose loose fill blown in attic insulation from top manufactures in the usa.
Recommended inches of cellulose attic insulation.
Owens corning blown in insulation is a diy friendly option best for adding insulation in an attic and can be installed on top of existing insulation in less than 1 5 hours shop precut 2x6 wall floor insulation for faster installation.