SG382

Timber - Light Timber Framing

GUIDE NOTE: Refer to Design Guide sections DG/ STRUCTURE, DG/ MATERIALS AND FINISHES, DG/ WALLS

ID
Title
Compliance Level
Expand All
1
General
Mandatory
Mandatory

As per current NATSPEC except as follows:

1.6 Submissions
 

Materials
Timber to be certified: All timbers.
Certification to include: Species (all timbers).
Inspection authority: Forests NSW, Department of Primary Industries. 

2
Products
Mandatory
Mandatory

As per current NATSPEC except as follows:

2.1 Timber

GUIDE NOTE: Refer to SG / TERMITE PRODUCTS, FINISHES AND TREATMENT for termite resistance, preservative treatments and the use of Australian indigenous species. 
 

Structural timber grading standards
Weather exposed timbers: Timber members that are not protected from weather exposure and associated moisture ingress to be durability class 1 hardwood to AS 1720.2, unless the exposure is of a temporary or short term nature.  Protection does not include surface coatings.

3
Products
Mandatory
Mandatory

As per current NATSPEC except as follows:

3.1 Floor Framing
 

Generally
One of the following alternative termite resistant timber species or preservative treatments against termite attack is to be used for floor framing.

  • Naturally termite resistant timbers To 3660.1 Appendix C
  • Preservative treated timber to the applicable hazard class to AS1604.1. 
3.2 Wall Framing
 

Generally
One of the following alternative termite resistant timber species or preservative treatments against termite attack is to be used for wall framing.

  • Naturally termite resistant timbers To 3660.1 Appendix C
  • Preservative treated timber to the applicable hazard class to AS1604.1. 
3.4 Roof and Ceiling Framing 

 

Generally
One of the following alternative termite resistant timber species or preservative treatments against termite attack is to be used for roof and ceiling framing.

  • Naturally termite resistant timbers To 3660.1 Appendix C
  • Preservative treated timber to the applicable hazard class to AS1604.1. 

Beam framing

  • Visible sawn timbers: Sawn surface (fine)
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