Silvertop Ash Decking

Silvertop Ash is a large, moderately durable Australian hardwood that has a tendency to grow along the southern and central coasts of NSW, eastern Victoria and north eastern Tasmania.

It is a unique timber with many distinctive natural features peppered throughout it such as noticeable growth rings, gum veins, markings from pinhole borers and pencil streaks. It’s these features which makes Silvertop Ash great for visual applications and adding individuality to any project.

Common Names Ash, Silvertop
Size (mm) 
Appearance Gum veins, Pinhole borers and Pencil streaks
Colours Brown and sometimes pinkish
Grades Standard & Better
Janka Rating 9.7
Botanical Name Eucalyptus sieberi


Silvertop Ash colouring varies from a warm pale to medium brown, occasionally with a hint of pink or muddy yellow. The texture of Silvertop Ash timber is medium to fine and the grain is typically straight but occasionally interlocked. Care needs to be taken when drying Silvertop Ash because of its proneness to surface checking on the tangential surface. Additionally, it is slow to dry.

Silvertop Ash is a moderately durable timber and it has also been found to provide good fire resistance. Silvertop Ash is typically used as a building timber, such as in timber framing. It is often used for building framework on the south coast and tablelands of NSW.

Other applications for Silvertop Ash are:

  • Flooring
  • Decking
  • Dressed Timber
  • Joinery
  • Fence Posts
  • Chemical Pulp