attics, crawl spaces, and above your ceiling through small holes drilled at the top of each stud space. You can then blow the insulation into each stud bay through a long, flexible hose.

The right insulation can ease your summer and winter energy bills while keeping your home more comfortableAdding insulation ...

That means your attic is insulated to about R-49 ... studs, and rafters in ceilings, floors, and walls. Insulation sold in barrel-like rolls must be unspooled and cut to fit using a utility ...