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3 Reasons Why You Shouldn't Use Fiberglass Insulation

Monday, October 18th, 2021 by Kinsey Price


Misused & Susceptible to Water

Often fiberglass insulation is misused when it's installed. An example of misuse is when it is installed in a basement ceiling. Fiberglass insulation is easy for air to move through and it loses a high percentage of its R-value when it gets water into it.

As you know, water is bound to appear in a basement at some point so utilizing fiberglass insulation doesn't make logical sense. Once water touches fiberglass insulation, it gains weight, loses its shape, and gets heavy. It will flop over like toilet paper, and therefore making material not appropriate in any basement.

Unfit for a Basement

Fiberglass insulation is made from sand, but the color is usually bright pink, why is that?

Fiberglass is dyed to contains its color, and if it gets wet, this insulation will stain and damage the material the insulation is connected to. When this system is wet, it is ruined.

Mold Growth

Mold can easily grow on fiberglass, which can be confusing because it is made out of inorganic materials.

Why is this?


The resin used to set fiberglass fibers is made from a urea-based chemical. Urea is another way of saying cow urine. Urea is used to manufacture, and it's made from the cow's process of blending organic material. This blend is what makes fiberglass susceptible to mold growth.

To put it briefly, don't use fiberglass in your basement.

If you are looking for a company with an affordable and mold proof insulation in Fries and the surrounding areas, look no further than Fortress Foundation Solutions!

Call us today at 1-844-877-3244 or contact us online for a free estimate!

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