While insulation costs can vary depending on which material you choose for your home insulation, fiberglass is far and away the most popular choice for attic insulation material compared to cellulose or spray foam insulation. Aside from this insulation type being significantly more effective in energy savings when comparing it to foam insulation, the most convincing argument for choosing fiberglass is a simple one: it’s a fantastic product that you can buy for an irresistibly inexpensive price. But just how inexpensive…