Decking: Choices, choices, choices! | A green Tasmanian… 19 May 2011 ... Since we planned the extension I have been looking at decking. ... Gum or Jarrah, softer decking such as Australian Cypress, or recycled decking. ... of powder coated aluminium, PVC, bamboo, bamboo and plastic. ... as material width, price per meter, price per length and gave me a price per square meter.