.png){kind=small}
The surfacing of a playground plays a crucial role in shaping its users' experience. Over the years, specialists have developed various types of flooring for recreational spaces. As urban designers, selecting a surfacing material that offers comfort and safety is essential, while also considering factors such as installation, maintenance, disposal, and environmental impact.
EPDM rubber is widely used for playground surfacing, whereas Corkeen is a lesser-known option. So, how do these materials differ? Let’s explore the unique characteristics that set them apart.
Cork Safety Surfacing (Corkeen)
Source
Cork is harvested from the bark of cork oak trees, which are predominantly found in the Mediterranean region, especially Portugal, Spain, and parts of North Africa. Portugal leads the world in cork production, accounting for 50% of Europe’s total output.
Process
The cork harvesting process is sustainable, as it involves carefully removing the outer bark without damaging the tree. This bark naturally regenerates, allowing harvesting to be repeated every 9-12 years. Cork granules are created in the production of safety surfacing, with Corkeen relying on cork powder biomass as a sustainable energy source.
EPDM Rubber
Source
EPDM (Ethylene Propylene Diene Monomer) rubber is a synthetic material derived from petrochemicals, specifically ethylene, propylene, and a diene component.
Process
The production of EPDM involves polymerizing these monomers to create a durable, flexible rubber. The process includes steps like mixing, extrusion, and vulcanization to enhance its properties, and it relies on non-renewable resources.
Key differences between EPDM Rubber and Corkeen Safety Surfacing
Corkeen | EPDM rubber | |
Renewability | Cork is a renewable resource harvested sustainably from living trees. | Made from non-renewable petrochemicals. |
Biodegradability | Biodegradable and recyclable. | Not biodegradable, posing disposal challenges. |
Environmental impact | Reduces microplastic pollution; no trees are felled during harvesting. | Contains rubber granules that can end up in nature; production is energy-intensive. |
Heat retention | Cork is a natural insulator, reducing surface temperatures by up to 20%. | While heat-resistant, rubber tends to trap heat, warming the surface. |
Impact absorption | Natural compressibility offers excellent impact absorption. | Natural elasticity provides a cushioned surface. |
Aesthetic options | Available in a single natural colour. | Offers a wide range of colours and design options. |
Cost | Generally higher upfront cost due to its natural sourcing and sustainability. | Typically more affordable initially, though environmental costs may be higher. |
Which is More Eco-Friendly?
Cork harvesting is significantly more sustainable and environmentally friendly than the production of EPDM rubber. Cork’s renewable and biodegradable nature makes it an excellent choice for eco-conscious playgrounds. It also offers natural insulation and helps reduce the spread of microplastics.
On the other hand, EPDM rubber provides more design flexibility and creates a resilient, cushioned surface. However, it has a higher environmental impact due to its reliance on non-renewable resources.
Making the Right Choice
When choosing the best safety surfacing for your playground, it's essential to weigh factors such as sustainability, aesthetics, and overall safety. Both cork and EPDM rubber offer unique advantages, but the right choice depends on your specific needs.
For expert advice on selecting the ideal surfacing for your project, contact Retro-Max Playground Specialists today.
Comments