Cork Insulation: What it is and Why it Works

Posted March 27, 2014 by Gabriel Posternak

It seems that every time you turn around, there is a new and innovative technology for going green; and that is a good thing indeed. What started out a couple of decades ago as simply reuse and recycle programs turned into a worldwide way of life.

How wonderful it is to see that companies, organizations, and individuals everywhere are involved, or at least interested, in what they can do to go green, whether personally or in business.

There are many ways to incorporate going green into your home or work life and cork insulation is one of them.

What is Cork Insulation

Typically, cork is made from the outer bark a specific type of oak tree found in parts of the world such as Europe, North Africa, and Portugal. The bark will typically regenerate itself after a certain number of years making a renewable source.

Many businesses and homeowners find the use of cork flooring a wonderful choice. Not only is it sustainable and good for the environment, it is comfortable for under the feet and the back and has many environmental benefits, as well.

Cork insulation, however, is slightly different in that cork insulation can be produced as expanded cork insulation. Rather than use the typical method of binding agents for cork flooring, an innovative way of expanding the cork that utilizes a heating and steaming system is used.

The Benefits of Using Cork Insulation

Cork insulation has many benefits to the business owner, homeowner, and the environment, as well:

Renewable – Cork insulation is highly renewable and one hundred percent natural. This makes it an optimal choice for sustainability.

Durable – Cork is durable and long lasting and an excellent choice as a money saving material.

Sound control – Cork does have some wonderful sound control properties, absorbing sound to make for a more quiet work or home space.

Energy efficient – Cork is an energy efficient material, which means it saves money for the consumer.

Fire resistance – Expanded cork does have some fire resistance benefits as well. LEED rating system – Expanded cork is biodegradable and a natural and renewable source according to this LEED system.

If you think about it, cork seems to be on the top of the list for green initiatives and innovations, as well. Using cork for insulation makes a ton of sense both from a personal and environmental standpoint. It is energy efficient, renewable, and cost-effective, as well as providing some backdrop for noise reduction, to boot.

So, now that you know what cork insulation is, how it works to provide a natural, renewable source for insulation and sound proofing, as well as being durable and energy efficient, perhaps you will consider utilizing it in your home or office project.

Posted March 27, 2014
by Gabriel Posternak.


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