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How Does Fiberglass Insulation Work?

Do you need to insulate your home? If you’ve talked to insulation professionals, chances are, you’ve heard of “fiberglass.” Fiberglass is one of the insulation materials that has been used the longest (it’s been around for centuries), and it’s still one of the most commonly installed types of insulation today.

But many people don’t know how this type of insulation works.

About Fiberglass

Fiberglass is a composite material made of a plastic matrix reinforced by tiny glass fibers. It is lightweight yet strong, and since glass isn’t a good conductor of heat, it’s a very effective insulation material. Fiberglass insulation stops conduction heat transfer—which is the transfer of heat through solid objects (such as the walls of your home).

Fiberglass traps heat when it’s moving to a colder area—from outside to inside your home in the summer and from inside the house to outside in the winter. It is available as loose-fill or batts and can be installed anywhere in your home, including your:

Fiberglass insulation can not only help you save on your energy bills, but it can also help make your home more comfortable all year long and improve the energy efficiency of your furnace and air conditioner.

Fiberglass Insulation from Tidewater Insulators

Tidewater Insulators uses fiberglass insulation products from Knauf Ecobatt. Knauf Ecobatt is certified to GREENGUARD indoor air quality standards, the toughest in the business. Knauf fiberglass insulation products also have a high amount of recycled and renewable content and are sustainable.

If you need to insulate your home in the tidewater region of Virginia, we can help. Contact Tidewater Insulators today to learn more about our fiberglass insulation installation services!

services we offer

We install insulation in new and existing homes.

Energy Audits

We provide energy audits to help homeowners save money and live more comfortably.


We provide comprehensive gutter services for new and existing homes.

Shower Doors

We install shower doors in new and existing homes.

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