Coast Ash

Botanical name

Eucalyptus sieberi
Eucalyptus sieberana

Origin

Coast Ash grows on the southern and central coast and tablelands of New South Wales, eastern Victoria and north-eastern Tasmania.

Trading names

Silvertop Ash
Coast Ash

Appearance

Heartwood

pale brown, sometimes pinkish.

Sapwood

not clearly distinguishable.

Texture

medium.

Grain

often interlocked.

Growth rings

visible but not prominent.

Pinhole borer discolouration & pencil streak

common.

General comment

Slow in drying and prone to surface checking on the tangential surface.

Not difficult to work.

Satisfactory for steam bending.

Common uses

General construction, handles.

Properties

Hardness rating

Average Hardness Rating - Dry: Hard

Lyctid Susceptibility of Sapwood

Not susceptible
(source AS 5604)

Termite Resistance of Heartwood (inside above ground)

Not resistant
(source AS 5604)

Marine Borer Resistance of Heartwood

Class 4
(source AS 5604)

Natural Durability Rating of Heartwood Above Ground

Class 2
(source AS 5604)

Natural Durability Rating of Heartwood In-Ground Contact

Class 3
(source AS 5604)