Silvertop Ash

Eucalyptus Sieberi


Silvertop Ash, or ‘coast ash’ as it is commonly referred to due to it’s tendency to grow along the eastern coast, is a distinctive timber with many features including noticeable growth rings, gum veins and pencil streaks. It’s these features which make it great for visual applications.

silvertop ash   silvertop ash shiplap

 

Origin– Silvertop Ash grows in southern and central coast of New South Wales, eastern Victoria and north-eastern Tasmania.

Color- The color variation in Silvertop varies from pale to medium brown and often has a light amount of feature which can give a recycled timber look.

Different Silvertop Ash Grain

Download the Silvertop Ash Fact Sheet (PDF format) HERE

Properties (in accordance to the AS 5604)

Strength Group
UnseasonedS3 (Reasonably High)
SeasonedSD3 (Reasonably High)

 

Durability
In-GroundClass 3 (5-15 years)
Above-GroundClass 2 (15-40 years)
Density
Unseasoned1200 kg/m3
Seasoned850 kg/m3
Hardness
Unseasoned7.2Kn (Janka)
Seasoned9.5Kn (Janka)
Lyctid Borer SusceptibilityNot Susceptible
Fire ResistantBAL29 (Very Resistant)

Uses

General Comments

Blonde to Brown in colour. Ideal Cladding material. Light to medium feature.

SpeciesE. Sieberi
Common NameSilvertop Ash
Density – Dry820kg/m3
Density – Green1030kg/m3
Strength GroupS4 SD3
% Shrinkage-Radial6.0
% Shrinkage-Tangential10.1
MOE – Dry17
MPA – Green10
MOR – Dry136
MPA – Green69
Hardness – Dry9.5
Hardness – Green7.2
Durability Class(above ground)2
Durability Class(in ground)3
Lyctus BoreNon-Susceptible
Av.External Life(above ground)15 – 25 years
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