Usually, material of higher density (weight per unit volume) should not be placed on top of lower density insulation ... in various widths for basement walls where the insulation will be left exposed.

Adding blown-in insulation to your attic space is ... depend on your climate zone and the existing insulation material in your attic. A good rule of thumb is to aim for an R-value of 38–60 ...

Choosing the best way to insulate your attic ... needed and not disturbing the material once it's in place. When installed properly and left alone, your blown-in insulation should retain its ...

Blown-in insulation is relatively easy to install ... insulation pro about your options to find out what insulation material ...