THE SCIENCE BEHIND CORK

The next generation of wall, ceiling, and roof coatings is now available from ThermaShield in Phoenix. Cork spray is an incredibly versatile product. In fact, it’s both a powerhouse performer and an aesthetically pleasing addition to any home or office. Specially formulated with 80% cork and 20% resin, ThermaShield’s cork spray is endlessly sustainable, energy efficient, and environmentally friendly. It even resists fungal growth, harmful ultraviolet (UV) rays, and flames. Best of all, we can even apply waterproof and anti-slip cork spray products to outdoor installations, including walkways and patios.

A Quick Look at Cork

Cork is a completely natural product of the cork oak tree. This tree grows in the northern Mediterranean region. In fact, Portugal is the leading country in terms of cork production.

Cork features many impressive properties, including high buoyancy, low permeability to liquids and gases, and low heat transfer. As a result, it has long been a staple material of the wine industry. In fact, the ancient Egyptians, Greeks, and Romans used cork as a stopper for wine and olive oil vessels.

The cork oak tree can live for over 200 years. Best of all, cork oaks that are sustainably harvested are known to have longer lifespans than those that are left alone. A skilled technician can harvest a new cork oak tree when it reaches maturity, at about 25 years of age. Afterwards, the bark can be harvested again every nine years without causing any harm to the tree.

Cork’s Impressive Cellular Structure

When scientist Robert Hooke perfected his version of the microscope around 1660, cork was one of the first materials he studied. Cork’s unique cellular structure lends it the properties of buoyancy and low permeability. In fact, cork is a foam-like, closed cell material. The tissue itself is compact, as it lacks intercellular voids. The cells, which are arranged in a honeycomb fashion, contain hollow, air-filled spaces.

The Chemical Composition of Cork

Cork consists of cellulose, hemicellulose, suberin, and extractives. The suberin is a particularly intriguing substance for building contractors. The cell walls of cork contain this waxy macromolecule. It’s responsible for giving cork its superior elasticity, allowing the cell walls to bend and compress without breaking. Suberin is activated when cork is heated during processing. It works to bind the particles together. In addition, suberin gives cork its characteristic low permeability to water and gas.

ThermaShield offers complimentary consultations in the Phoenix area for homeowners and business owners who are ready to learn more about the benefits of natural cork spray. Don’t wait another day to make your home or office building more energy efficient, sustainable, and eco-friendly!

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