Bottom plate anchors
Calls to the BRANZ Helpline indicate that there is still confusion about the correct use of bottom plate anchors with concrete floor slabs.
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By Roger Shelton – 1 February 2008, Build 104
Calls to the BRANZ Helpline indicate that there is still confusion about the correct use of bottom plate anchors with concrete floor slabs.
By Alide Elkink – 1 December 2017, Build 163
Holes or notches are sometimes required in timber framing members, but they must be carefully located so they do not undermine structural integrity.
By Tony Conder – 1 December 2004, Build 85
Roof bracing is one element in a continuum that provides resistance to horizontal loads. It works with the wall and foundation bracing to supply a total bracing package for a building.
By Alide Elkink – 1 December 2006, Build 97
NZS 3604 provides design parameters for deck design for 2.0 kPa floor loadings. However, the designer must consider the load that a deck or balcony may potentially carry and, if it is likely to exceed this loading, the design parameters should be increased accordingly.
By Trevor Pringle – 1 June 2015, Build 148
Here, we use drawings to explain the specific parameters for the location of loadbearing or braced walls for suspended timber floors.
By Roger Shelton – 1 April 2018, Build 165
The BRANZ helpline often gets asked about fixings for veranda rafters. These are not covered in NZS 3604:2011, but BRANZ has some advice.
By Bruce Sedcole – 1 February 2020, Build 176
The need for dwangs, those horizontal blocking pieces used between wall studs, has lessened over the years. Using fewer dwangs and making them narrower than the studs could improve a building’s thermal performance.
By Bruce Sedcole – 1 October 2020, Build 180
BRANZ regularly receives queries about hold-down fixings to the exterior walls of timber-framed buildings. This overview sets out the fixing requirements in NZS 3604:2011 for resistance to uplift for the various framing members.
By Roger Shelton – 1 April 2021, Build 183
Houses built on sloping sites have performed poorly in recent earthquakes. BRANZ experiments have shown how to retrofit pre-1960s timber house foundations to significantly improve seismic performance.
By Roger Shelton – 1 August 2013, Build 137
Aspects of NZS 3604:2011 Timber-framed buildings are causing some confusion. Here, we answer some questions on veranda beam fixings.