Fiberglass is the most common type of insulation. It works by slowing the transfer of heat (i.e., from the attic to the living space below). The ability of insulation to resist heat transfer is measured in R-Value, which stands for “resistance to heat flow”. The higher the R-Value, the better the resistance to heat flow and, thus, the greater the insulating value. R-Value is determined primarily by the thickness of the insulation.
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Fiberglass insulation is made from 100% melted sand. In the past, fiberglass insulation was made with formaldehyde, a known carcinogen. Today, most fiberglass insulation is formaldehyde-free.
Click below to learn about the different
types of Fiberglass Insulation:
• Fiberglass Batt Insulation• Fiberglass Blown Insulation
