Tallowwood

Tallowwood is a prestigious timber that is sought after by architects. It is an exceptionally durable hardwood species with unique colour and grain structure. It is predominately yellowish brown with a tinge of olive green and beautiful growth rings.

Physical Properties
Dry Density: 990 kg/m³
Janka Dry Hardness: 8.6 kN

The Janka rating is the hardness level given to each species. The higher the number, the greater the hardness.

The natural colour variation within a timber species is normal and one of its most appealing attributes. The species samples shown here are indicative only and do not necessarily show the colour variation that can be naturally found in each species. It is recommended that large samples of the species be viewed in a timber flooring showroom when deciding on the species for a new timber floor.

Category:

Description

Properties
Species Name
Botanical Name
Colour Range		 Tallowwood
Eucalyptus microcorys
Brown
Janka (Hardness) Rating – Dry 8.6
Natural Durability Class
In-ground contact
Outside above ground contact		 1
1
Density (kg/m3)
Unseasoned (Green)
Seasoned (Dry)		 1230
990
Strength Group
Unseasoned (Green)
Seasoned (Dry)		 S2
SD2
Joint Group
Unseasoned (Green)
Seasoned (Dry)		 J1
JD1
Fire Indices
Spread-of-Flame Index
Smoke-Developed Index
Critical Radiant Flux
Smoke Development Rate
Group Number
Naturally bushfire-resisting Timber		 5
4
>2.2 and <4.5
<750
3
unknown
Tangential Shrinkage % 6.1
Toughness (Nm)
Naturally Unseasoned (Green)
Seasoned (Dried)		 20
17
Naturally Termite Resistant to AS3660
R = Resistant
NR = Non resistant		 R
Naturally Lyctus Susceptible
S = Susceptible
NS = Non susceptible		 S

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