FIXING
SPECIFICATIONS
ISSUE NO. 10.2 | PAGE 4.10.5
CONSTRUCTION DETAILS FOR SPECIFICATION 4.11.1 & 4.11.2
NOTES: Joist
1. Timer decks must be nogged at framing stage to suit post
fixing requirements.
2. Where post spacing is known at framing stage, mark post
centres on edge joists and add additional nogs as shown.
3. Where posts spacing is not known at framing stage,
provide extra continuous nog right around the deck.
4. Edge joists and nogs to be at 90 mm centres.
5. Structural fixing details of nogs, joists, end joists and
dummy joists to be determined by deck design engineer.
90mm Ctrs Joist Nog
Extra nog
at corners Joist
NOG SPACING Joist Nog
N.B. - Nogs to be same size
timber as joists Joist
Joist Nog end bays. But no
less than 250mm from
Joist Edge Joist end of Edge Joist and
Edge Joist
corners.
Centreline of Post. Nogging must
extend at least 150mm each side of
this position.
If this is less than 150, then the next bay must be
nogged also.
JOISTS PERPENDICULAR TO EDGE JOIST
For non-90º corners, solid nog each way parallel to
edge joists as shown above:
For 90º corners, solid nog as shown below:
Joist Dummy Joist
Edge Joist Edge Joist Nog
Joist
CL of Post
Joist
NOGS FOR 90º CORNER Edge Joist 150 Min 150 Min
Dummy Joist
JOISTS PARALLEL TO EDGE JOIST
Specifications subject to change without notice
phone 0800 333 777 | © Unex Systems
FIXING
SPECIFICATIONS
ISSUE NO. 10.2 | PAGE 4.10.7
CONSTRUCTION DETAILS FOR SPECIFICATION 4.17.1 & 4.17.2
THIS CONSTRUCTION DETAIL ALSO APPLIES TO SPECIFICATIONS 4.12.1, 4.12.2, 4.17.6 AND 4.17.9.
NOTES:
1. Timber decks must be nogged at framing stage for the
post fixing requirements.
2. Provide an extra continuous Edge Joist right around the
deck edge as shown.
3. Where edge joists are parallel to the main joists, provide
dummy joists at 600 centres maximum as shown.
4. Structural fixing details of nogs, joists, end joists and Joist
dummy joists to be determined by deck design engineer.
5. All edge joists and nogs to be treated H3. Joist Nog
Extra nog right Joist
around deck
NOG POSITION Joist Nog
N.B. - Nogs to be same size Joist
timber as joists
Joist
Edge Joist
Edge Joist
JOISTS PERPENDICULAR TO EDGE JOIST
For non-90º corners, solid nog each way
parallel to edge joists as shown above:
For 90º corners, solid nog as shown below:
Joist
Dummy Joist
Edge Joist Edge Joist
DKP Bracket
Joist
NOGS FOR 90º CORNER Joist
Stabilizing Dummy Joists DEdogueblJeoists
at 600 ctrs max.
JOISTS PARALLEL TO EDGE JOIST
Specifications subject to change without notice
phone 0800 333 777 | © Unex Systems