Cellulose Vs. Fiberglass

Cellulose Vs. Fiberglass Insulation

Cellulose is ground up newspaper mixed with a boric acid which acts as a  flame retardant, mold control, and a pest repellent. Cellulose is much heavier than fiberglass which allows it to be a much better sound barrier as well.

Fiberglass is made of tiny fibers of glass put together to act as a form of insulation. Fiberglass does have insulating properties, but when matched up against cellulose it doesn’t come close to making a difference on the utility bill as one would hope. This is why fiberglass is used as a filter for HVAC furnaces because air can freely move through it while dirt is caught in the fibers.

Here are a couple graphs demonstrating the major differences between blown in cellulose and blown in fiberglass. The graph on the top right shows the difference between cellulose and fiberglass in the winter. 

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Cellulose is not only a better product but also save you more money in the end. 

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