House, built in 1968. Attic insulation, maybe six-eight inches of blown wool/fiberglass = not much.Option 1: Company man came out, quoted $500 to blow an extra eight inches of fiberglass on top of ...

Cellulose is safer to install than fiberglass because it doesn't irritate the skin and eyes. After application, it settles to form a denser insulating layer that provides some sound insulation. It ...

Fiberglass insulation is relatively quick and easy to install, mainly if you’re working with professionals. It’s also one of the most affordable ways of insulating a home, which is why it’s ...

It can be effectively blown over existing insulation and is available in fiberglass, ... Cellulose is the most effective material and has an R-value of 2.2 to 3.8 per inch, ...

Do you want to insulate your home to save energy and money, but you're unsure about which insulation to use? Do you find the pros and cons of the various insulations confusing and the ...

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.