Fiberglass Insulation

Fiberglass Insulation is a popular choice in most homes. Reason being, the material is cost efficient, compared to the other insulation material. You will typically find fiberglass insulation as bats pressed between the studs. The other forms of fiberglass insulation comes in; long rolls (blankets or bats) and loose fill.

What is Fiberglass made of?

The material is plastic that is reinforced by small fibers of glass, adding additional strength to the plastic, which help improves the insulation maximum production tolerance.

How to differentiate Fiberglass from Cellulose:

Cellulose is shredded paper with a fire retardant chemical known as borate. Fiberglass usually comes in pink, green, yellow, and the material is plastic with tiny glass fibers.

10 Advantages to think about why you should buy fiberglass insulation:

1. Inexpensive investment.
2. The plastic covering on the fiberglass bats acts as a vapor barrier.
3. Will not burn.
4. Care about the environment? Many manufacturing companies use recycled glass as part of the material.
5. Fiberglass does not absorb moisture.
6. Mold and Mildew resistant.
7. Reduces noise.
8. Increase energy efficiency.
9. Improves air quality- Because fiberglass is resistant to mold and mildew; this will protect your family.
10. Non - conductive and radio transparent. Glass and plastic are nonconductive materials. They are known as insulators and this material is used to stop the flow of electricity. Perfect for not disturbing electronics in the household from their performance.

Can Fiberglass cause cancer?

This is is a big concern for most and a questions Googled often while searching for insulation material.

True, fiberglass when inhaled and touched is not good for you! It will create rashes, redness on the skin, and inhaled too closely can make it difficult to breath. When you inhale fiberglass the tiny shards of glass will stay in your lungs for a long time. However, the good news is; that’s why you hire professionals to take care of your insulation instead of a DIY project. Our Installers is well equipped to work with fiberglass insulation. They are literally covered from the tip top of their head to the tip of their big toe. The installers also wear mask to prevent inhaling the fiberglass.

So, if you're concerned about getting cancer from the fiberglass, don't worry too much about it. As long as you're not playing with it, inhaling it, and keeping it wide open in a space where your family is around daily; you should be fine.

“There is no evidence that fiberglass causes cancer in people. Animal studies have shown an increased risk of cancer when fiberglass fibers were implanted in the lung tissue of rats, but these studies are controversial because of how the fibers were implanted.” (1)

If you still feel this is a concern, feel free to ask us about other options of insulation to install in your home. Installations comes in other material such as:

  • Cellulose
  • Spray foam
  • Roxul 

To name a few…

What Is The Difference Between Loose Fill And Bats?

The difference is based on preference, both methods work well. Take your time and read the following to help determine what will work in your home.

Loose Fill

Also known as Blown Insulation; is loose small chunks of fiber, blown out of a blower hose, and comes in fiberglass or cellulose. Blown (Loose Fill) insulation is a great filler. Unlike, batts (blankets of insulation) Blown Insulation can fill the gaps and creases; giving you a complete layer of insulation. Great choice for existing wall insulation!


Designed to fit in the width of typical framing. Manufactured in many sizes for easier transportation, stored in rolls, and least expensive. Recommended to Air Seal before installing the insulation to prevent heat transfer in and outside the house.

Fiberglass History

A fiber primary composed of glass used in a variety of applications, and is predominantly employed as a residential and commercial thermal insulator. Fiberglass is also used to create boat hulls, automobile bodies, curtains, tents to name a few. The purpose to prevent or slow the spread of heat, cold, by trapping air.

Ancient Egyptians and Phoenicians, used a form of fiberglass insulation. They wove small pieces of glass into coarse fibers. In 1932, fiberglass came around by accident. “researcher named Dale Kleist was attempting to create a vacuum-tight seal between two glass blocks when a jet of high-pressure air turned a stream of molten glass into fine fibers. He had unintentionally discovered an effective method to produce large amounts of fiberglass particles, a method that he would refine in later years. Fiberglass was trademarked in 1938 as Fiberglas® and was subsequently used in clothing, boat hulls, fishing rods, and eventually automobile bodies in 1953 when Fiberglas® partnered with Chevrolet.”

Fiberglass is typically installed in homes. It comes in yellow, pink, white, or green. The feel of it can be spongy depending on the manufacture.They commonly come in batts (blankets), or loose fill. When installed, it creates a continuous membrane that retards the air passage that prevents moisture and reduce fibrous particles entering the living space.

(Fiberglass Insulation: History, Hazards and Alternatives by Nick Gromicko and Kenton Shepard

llinois Department of Public Health Division of Environmental Health 525 W. Jefferson St.
Springfield , IL 62761 217-782-5830 TTY (hearing impaired use only) 800-547-0466
<> U.S. Consumer Product Safety Commission Washington,DC 20207-001 800-638-2772 TTY (hearing impaired use only) 800-638-8270 <>
2. Fiberglass Insulation: History, Hazards and Alternatives by Nick Gromicko and Kenton Shepard InterNACHI 1750 30th St Ste 301 Boulder, CO 803012006-2016 InterNACHI. All rights InterNACHI is a registered trademark of the International Association of Certified Home Inspectors, Inc.


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