Tying up those slabs
Another change since the Canterbury earthquakes is that all reinforcing in slabs on the ground must now be tied into the foundation wall reinforcing.
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By Trevor Pringle – 1 December 2011, Build 127
Another change since the Canterbury earthquakes is that all reinforcing in slabs on the ground must now be tied into the foundation wall reinforcing.
By Ian Cox-Smith – 1 February 2008, Build 104
Reflective foil insulation products are commonly labelled with a component R-value. This does not signify performance, and should not be confused with the R-values for bulk insulation products.
By Graeme Beattie – 1 December 2011, Build 127
Lessons from the Canterbury earthquakes mean that all concrete floor slabs must now be reinforced with steel bars or welded mesh with a reasonable degree of ductility.
By Alide Elkink – 1 February 2007, Build 98
Timber blocking or herringbone strutting is intended to provide lateral support to floor joists by providing stiffening to the joists and transferring some of the load to adjacent joists.
By Roger Shelton – 1 June 2019, Build 172
Where is blocking required to stabilise floor joists? We look to NZS 3604:2011 Timber-framed buildings for answers.
By Andrew Bedford – 1 October 2022, Build 192
From 1 May 2023, housing and small buildings up to 300 m² will need to be better insulated. What does this mean in practice for wall, underfloor and ceiling insulation of these buildings when using the schedule method for compliance?
By Alide Elkink – 1 February 2023, Build 194
Timber floors are aesthetically pleasing, but over time, they can become scratched and damaged. To keep them looking good requires ongoing maintenance and repair.
1 August 2005, Build 89
Concrete shrinks as it sets and will continue to shrink for at least 12 months after placing, depending on drying conditions. About 50% of the shrinkage occurs within the first 4 months.
By Bruce Sedcole – 1 June 2021, Build 184
In Build 156 Tolerances tables, we outlined some of the allowable construction tolerances for a quality result. We have now revisited this information and added some more for plasterboard and fibrous plaster, an area that can cause disagreements between contractors and clients.
By Alide Elkink – 1 June 2009, Build 112
Natural drying of a concrete slab will take several months and it’s important to ensure fixed floor coverings aren’t installed too soon.