What Is Insulation & How Does It Work?

What Is Insulation & How Does It Work?

If you’re looking to insulate your new home or re-insulate your current home, you’ve come to the right place. Here, we’ll explain what insulation is and how it protects your home and keeps you comfortable year-round.

What Is Insulation and Why Do You Need It?

Essentially, insulation is any material used to fill the spaces (including little gaps, crevices and hard-to-reach places behind walls, above ceilings, etc.) of your home to reduce heat flow by reflection and/or absorption.

There are several types of insulation, including soundproofing, electrical and thermal insulation. In your home, thermal insulation increases energy efficiency and comfort levels.

Thermal insulation is defined as products that reduce and slow heat loss or gain by providing a barrier between areas that are significantly different in temperature. Many forms of thermal insulation, such as cellulose and fiberglass, also provide soundproofing to some extent.

CertainTeed fiberglass batts insulation

How Does Insulation Work?

Heat flows naturally from warmer areas to cooler ones. In the winter, heat moves directly from warm spaces (such as your home) to outdoor and unheated spaces. In the summer, heat moves from the warm outdoors to the cooler interior of your home.

Insulation works by slowing the movement of heat from a hot space to a cooler space. It helps increase your home’s energy efficiency by reducing the amount of heat that escapes from it in the winter (by containing the heat and keeping the house warm) and keeping it from getting too warm in the summer (by retaining the cold air and keeping the interior comfortable).

When installed properly, insulation can increase home comfort by maintaining a consistent, uniform temperature from room to room. It will also increase home energy efficiency, significantly lowering heating and cooling bills.

What Are the Different Types of Insulation?

There are several types of thermal insulation to choose from, including:

  • Fiberglass insulation: Fiberglass is one of the most widely used types of insulation, and it can be installed as a blanket system of rolls and batts.
  • Cellulose insulation: One of the most environmentally friendly types of insulation available, cellulose is made of up to 80% recycled material. It’s also one of the best types of insulation for soundproofing.
  • Spray foam insulation: Spray foam is ideal for all the small cracks, gaps and crevices behind your walls. It can help eliminate air leaks that can cause your energy bills to skyrocket.
  • Radiant barrier insulation: MIG Building Systems doesn’t offer this type of insulation at this time. This type of insulation is ideal for warm climates. It’s installed in the attic, right under the roof, to help your home reflect, rather than absorb, heat from the sun.
  • Rigid foam insulation: Rigid foam, or rigid board, is available as a foam panel that can be cut. It’s mainly used for new construction insulation projects.
  • Rockwool insulation: Made of rocks and minerals spun into small, high-temperature-resistant fibers, rockwool (or mineral wool) insulation has a variety of applications.
  • Icynene insulation: Spray foam insulation is often installed between floor joists and around wiring, piping and ductwork. It’s great for maximizing energy efficiency.

Many types of insulation, such as fiberglass, cellulose and foam board, absorb heat. They stop heat flow, known as conduction.

Radiant barrier, on the other hand, reflects heat from the sun and is installed in attics to keep homes cool and comfortable (and much more energy-efficient). As its name suggests, radiant barrier insulation stops radiant heat transfer.

Where Can You Insulate?

  • Attic insulation: Attics are good places to insulate, as they are one of the biggest sources of energy loss in homes.
  • Wall insulation: Walls are other big sources of energy loss, and they need to be insulated — it’s essential for better home energy efficiency. Like the attic, you’ll probably need to use more than one type of insulation for the walls.
  • Basement insulation: Even if your basement is unfinished, it holds a lot of potential for energy savings. The right amount of basement insulation can save you hundreds of dollars per year.
  • Crawl space insulation: Crawl space insulation, like basement insulation, is sometimes forgotten. After all, not everyone uses their crawl space daily, but crawl space insulation can help prevent heat from leaking into or escaping from your home.
Contact us today!

Choose MIG for Insulation Services in Rochester, Syracuse or Buffalo

The team at MIG Building Systems is a top insulation contractor in Upstate New York. We’re certified by our premier insulation partner and their Pink Panther brand, Owens Corning. No matter your needs, you can trust MIG to provide the most advanced, customized solutions for new construction insulation, home remodeling insulation and more.

Whether you want to learn more about insulation or hire a local insulation company in the Rochester or Syracuse area, contact MIG Building Systems today.

Have an insulation project?

We install various insulation products into homes and commercial businesses in the Upstate New York areas around Rochester and Syracuse. Get in touch today for a FREE estimate!

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