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Vic Ash

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Bushfure Rating: BAL19

Properties

• Density: 675-770kg/m3 at 12% moisture content; 1.3 to 1.5m3 of seasoned sawn timber per tonne.

• Strength groups: S4 unseasoned, SD4 seasoned.

• Stress grades: F7, F8, F11, F14 (unseasoned); F11, F14, F17, F22 (seasoned) when visually stress-graded according to AS 2082—2000: Timber—Hardwood—Visually stress-graded for structural purposes.

• Joint groups: J3 unseasoned, JD3 seasoned.

• Shrinkage to 12% MC: E. regnans—13.3% (tangential), 6.6% (radial); E. delegatensis—8.5% (tangential), 5.2% (radial); E. oblique—11.3% (tangential), 5.1% (radial).

• Unit shrinkage: E. regnans—0.36% (tangential), 0.23% (radial); E. delegatensis—0.35% (tangential), 0.22% (radial). E. oblique—0.36% (tangential), 0.23% (radial). These values apply to timber reconditioned after seasoning.

• Durability above-ground: Class 3.

• Lyctine susceptibility: untreated sapwood of E. delegatensis and E. obliqua is susceptible to lyctid borer attack; untreated sapwood of E. regnans is not susceptible; normally marketed as a mix of the 3 species; therefore, classed as lyctid susceptible.

• Termite resistance: not resistant.

• Sustainability

  • 100% is sourced from regrowth forests​

  • 100% is regrown.

  • Before harvesting, all flora, fauna, silvicultural, historical and cultural aspects are surveyed, plotted and allowed for. Source.

  • The harvesting process is scientifically designed to mimic natural growth pattern of Victorian Ash species to ensure regeneration occurs within an organic cycle. Source.

  • Less than 0.05% of the forest area is harvested each year on an 80 year rotation. (Yes, that decimal point is in the right place). It is then regenerated.

  • Only 6% of Victoria’s total forest area is both suitable and allocated for harvesting and regeneration on an 80 year cycle. These areas are scattered throughout the state to minimize and spread impact. Habitat trees are protected with protection zones varying in size depending on the animals requirements. 70% of the Victorian ash forests are in National Parks and reserves. Source.

  • The seed mix of each harvest is collected and re-planted in place of harvest to maintain diversity. Source.

  • 100% of each log we receive is used. E.g. Off-cuts are finger jointed to make structural timber and sawdust used as a green energy solution to power our kilns. Source.

  • Up to 50% of the weight of kiln dried Victorian Ash is actually stored carbon (320kg per cubic metre approximately). This is far more helpful for life-cycle assessment and embodied energy considerations than other building materials or soft woods. Source.