The higher the number, the better. Interested in increasing the R-value in your attic? You can save energy with blown in insulation. Fiberglass batts offer the easiest way to add attic insulation or ...

A green product derived from recycled materials, cellulose insulation comes in loose-fill or blown-in formats. Treated with boric acid to repel mold and pests, it's safer to install than fiberglass ...