kitchen1.jpg
History

  • Cork is not a new fad, it can be traced back to ancient Egypt. In the 18th century, Dom Perignon used cork for champagne making it a significant discovery that would lead to many other uses of cork.
  • A law in the 1930’s called “The 9 Year Law” was passed to keep cork from being harvested any sooner than every 9 years. The tree has to reach 60 cm in circumference before it can be harvested. The first harvest from a cork tree can only occur at age 25.
  • Portugal is the largest producer of cork today.

Harvesting

  • Cork is harvested by hand from the bark of the cork oak tree (Quercus Suber) that grows primarily around the Mediterranean Basin no less than every 9 years.
  • After the cork is stripped, the planks are sorted and stacked for 6 months in the forest. The exposure to air, sun, rain and wind during this time trigger chemical transformations that improve the quality of the cork. Then the bark of the mature cork trees are ground up, mixed with resin, processed into blocks, baked, compressed and cut into tiles or planks.
  • Burning the cork before it is compressed in combination with varying granule sizes creates the different colors and patterns that make cork such a unique product.
  • The tree is not destroyed or damaged when harvesting cork.
  • The average life span of a cork tree is 150-200 years. The older the tree, the better quality of the cork.
  • To complete the environmentally sound process, water based finishes and adhesives should be used.

1659599207_135a88a6c6_m.jpgGood for the environment:

  • An environmentally sound choice for flooring.
  • Better than a renewable resource because it is a harvested resource (only the bark is harvested from the tree)
  • A recycled product because cork floors are made from the waste cork that makes wine stoppers.

Properties/Benefits:

  • Cork is very lightweight and low in density.
  • There are many different shapes, designs and colors available.
  • It is very durable. It is often used in public buildings because of its durability.
  • Cork is often ukids.jpgsed in libraries and churches because of its sound absorption qualities.
  • Cork is more forgiving on your joints than hard surface floors because of the millions of air filled cells. This is what makes cork a great choice for kids playrooms, retail or other places where people are on their feet for hours at a time.
  • If damaged, cork can be repaired.
  • Cork is also a great insulator because it reduces the transmission of sound, vibration and heat. Air is sealed in each of the cells insulating from the adjacent cells with a moisture resistant, waxy like substance. A cubic cm of the honeycombed shaped cork cell contains about 40 million hexagonal cells. The cells are composed of almost 90% of an air like gas. This makes cork flooring a great choice for recording studios and other places where sound needs to be kept to a minimum.
  • Cork also reduces heat loss in rooms because of the encapsulated air cells. Unlike ceramic tile, it never gets cold on your feet. It maintains an even temperature that is not too warm or too cold.
  • A substance called Suberin that naturally occurs in cork makes it resistant to bugs, mold, mites and termites. Because of this substance, cork also will not rot. Also because of this substance, cork is naturally a fire inhibitor. Upon combustion, cork does not release any toxic gasses.2184288872_fb4194bc50_m.jpg
  • People with allergies are big fans of cork floors because of their hypoallergenic properties. Cork floors do not absorb dust and are very useful for people with asthma and respiratory diseases.
  • Cork is also very resilient. Because of those same air cells that help with heat loss, sound absorption and softness cork can return to its original shape even when exposed to heavy weight and pressure. This is an advantage over hardwood flooring.

Installation types:

  • Cork comes unfinished and pre-finished. There are many different types of finishes that are both harmful and safe for the environment.
  • In wet areas like bathrooms and kitchens, most manufacturers recommend a water based polyurethane sealant.
  • Cork comes in tile shapes as well as plank shapes.install.jpg
  • These floors can be glueless and clicked together for installation, pre-glued or glued as long as the subfloor is dry and level.
  • These floors can also be floated because of their tongue and groove
  • Some floors have beveled edges that allow the floor to naturally expand and contract without buckling.


Care and Maintenance

  • Cork is very easy to maintain especially with polyurethane coatings.
  • Cork will fade if exposed to direct sunlight. Furniture and flooring should be moved periodically to even out the fading from sun and UV exposure.
  • It will also react to humidity and moisture. Humidity should be maintained at 50-60%.
  • Cork floors should be swept and vacuumed often to avoid the build up of dirt. Dirt can scratch the finish.
  • Do not use abrasive cleaners or solvents, especially those that contain glycerin. These products can harm the finish making it impossible to refinish.
  • A neutral PH detergent (PH of 6-8) should be used to clean cork floors either with a wrung out sponge or misted over the floor and damp mopped.
  • Spills should be wiped up immediately.
  • Chairs with casters should have minimum 2” casters.
  • Mats should be used under chairs with casters to protect the finish from becoming dull.
  • Furniture or chair feet should sit on wide coasters to prevent excessive indentation.
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Posted Wednesday, March 12th, 2008 at 8:34 am
Filed Under Category: Cork Flooring, Eco-Friendly / Green / Green Flooring, Flooring Maintenance
Both comments and pings are currently closed.

8

Responses to “All About Cork Flooring – History, Benefits, Care and Maintenance”

Reza Javan

Can you name a few cork companies that produce the best cork flooring.

admin

I have not had the pleasure of having cork in any of my residences, but I can tell you that I have specified cork flooring from Expanko, Duro Design and APC Cork and had clients that were very pleased. I also recently ran across a company called NOVA and a company called Habitus that have some GREAT looking samples.

Team Wicanders

Great article! It’s important to remember that not all cork floors are the same. Things you want to look for are thickness, and binders/ adhesives that have low VOCs. To learn more about quality cork oak flooring feel free to visit wicanders blog at http://www.corkoakfloors.com.

Jessica

Hello:

Old House Journal magazine is running an article on Resilient flooring that includes Cork, linoleum, rubber, etc and were wondering if you had the hi-res version of the images on this article for us to use.

Please contact me at your earliest convinience

Thank you,

Team Wicanders

Hi Jessica,
Just saw your comment. Do you still need high-res photos, as we can supply whatever you need for cork oak flooring for Old House Journal. Please email, and we can get them to you right away: projects@wicanderscorkoakblog.com
Team Wicanders
http://www.wicanderscorkoakblog.com

Frank Brady

Thanks for the informtaion about Cork Flooring. It will help a lot.

Cork Flooring

Great article on cork flooring and it’s history and benefits.

Tony Collins

I’d like more info on the finishes.
I’ve left them dry or used latex poly, with no visible difference or apparent wear(2-4 years).

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