Build with timbers summary | QTimber

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Step 3: Select a timber

Timber fact sheet

Location details

Lockhart River Aboriginal Shire

Above-ground:

In-ground:

Building member details

Step, stair risers and treads, fully supported

Environment:

Target design life (years):

Properties for [surian]

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Standard trade name	surian
Botanical name	Toona calantas
Synonyms	NA
Origin	Asia-Pacific, Central America
Schedule	Schedule C
Hardwood	Yes
Density (kg/m3)	480
Durability above-ground	(1)
Durability in-ground	(2)
Hardness	VS
Joint dry (JD)	JD4
Joint green (JG)	J5
Strength dry (SD)	(SD8)
Strength green (SG)	(S7)
Bushfire resisting	No
Lyctine susceptibility	(SL)
Termite resistance	NR
Advisory codes

Target design life, hazard zones and conditions for use

Botanical name	Toona calantas
5 years above-ground	Approved
15 years protected	C16
15 years Above-ground:A	C16
15 years Above-ground:B	C16
15 years Above-ground:C	C16
15 years Above-ground:D	C16
15 years In-ground:A	Approved
15 years In-ground:B	C2
15 years In-ground:C	C3
15 years In-ground:D	C4

Botanical name	Toona calantas
50 years protected	C16
50 years Above-ground:A	C16
50 years Above-ground:B	C16
50 years Above-ground:C	C16
50 years Above-ground:D	C16
50 years In-ground:A	C3
50 years In-ground:B	C7
50 years In-ground:C	C8
50 years In-ground:D	C8