The Durability table shown is a guide to suitability of species for outdoor structures. Other considerations that are important are:availability of good length in packscost / valuegrade of timber, seasoning, stability and penetration features which may shorten its lifeor affects its appearance
CLASS DURABILITY CLASS DURABILITY DENSITY EXTERNAL LIFE (ABOVE GROUND) (IN-GROUND)ABOVE GROUND KD Ironbark 1 1 1130kg / m3More than 25 years KD Forest Red Gum 1 1 1050kg / m3More than 25 years KD Spotted Gum 2 2 960kg / m3 15 - 25 years KD Yellow Stringybark 2 3 870kg / m315 - 25 years KD Blackbutt 2 2 900kg / m315 - 25 years KD Silvertop Ash 2 3 830kg / m315 - 25 years Recycled Stringbark (mixed species) 2-3 3830 - 900kg / m315 years * * treated with decking oil
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SIZES (mm) Ironbark 86 x 19mm, 135 x 19mm and 130 x 25mm Silvertop Ash * 90 x 22mm Stringybark 90 x 22mm Tallowwood 86 x 19mm Forest Red Gum 86 x 19mm and 135 x 19mm Wharfdeck Blackbutt 135 x 32mm Blackbutt 86 x 19mm Spotted Gum 86 x 19mm and 130 x 25mm Red Mahogany (class 1 durability)135 x 32mm
SIZES (mm) Ironbark 45 x 45mm Spotted Gum 42 x 19mm and 65 x 19mm Blackbutt 40 x 30mm Rose Gum 64 x 19mm
All species are durable and rated as BRTs (bushfire resistant timbers).Please complete our Quotation Enquiry Form to get a price on Decking.