Deck piles and jack studs

The design Standard for design and construction of support framing (piles and jack studs) to decks is Section 6 of NZS 3604. Timber piles/jack studs supporting a deck must be either 125 mm square or 140 mm diameter round, treated to H5.

The pile/jack stud size requirement applies regardless of the height of the deck off the ground.

Related Touchstone article

Reproduced from BRANZ Guideline May 2010.

Published in building.