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The SPAX boundary joist solution provides an extremely fast, strong and reliable method of fixing deck boundary joists to decking joists and noggings, as well as fixing posts to boundary joists, without the use of brackets, coach screws, straps or bolts.
The SPAX solution is simple to install using fully threaded screws to achieve a very strong connection. Testing was conducted in New Zealand and results fulfil the strength and deflection requirements of NZS 3604, AS/NZS 1170, and clause B1 of the New Zealand Building Code.
Clause 18.104.22.168 of NZS 3604 states that “Where the deck or balcony is to support a cantilever balustrade, boundary edge joists shall be provided”. The SPAX boundary joist solution is used in this situation to attach a double boundary joist to the end of deck joists. The same solution is used to attach the inner end of noggings.
The SPAX post fixing solution is used for fixing the cantilever balustrade to the boundary joist.
The SPAX Boundary Joist & Post Fixing Solution meets the requirements of:
SPAX is a German manufacturer of quality, innovative screws for timber connections such as framing, timber construction, decking, flooring, and cladding.Product Enquiries
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