Mind the gap
Where is a gap required between building materials and when should any gap be sealed? It’s important to get these correct so we review the requirements in E2/AS1 and elsewhere.
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Practical how-to articles for builders and designers showing good industry practice and interpretation of the NZ Building Code and standards.
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By Alide Elkink – 1 February 2014, Build 140
Where is a gap required between building materials and when should any gap be sealed? It’s important to get these correct so we review the requirements in E2/AS1 and elsewhere.
By Graeme Beattie, Stuart Thurston – 1 April 2014, Build 141
Recent BRANZ testing has quantified the bracing ratings of some common older generic bracing systems. These ratings will be useful during repairs or renovations of older buildings.
By Tom Edhouse – 1 June 2014, Build 142
NZS 3604:2011 Timber-framed buildings sets out how to size rafters in table 10.1. The BRANZ technical helpline has received queries on doing this, so let’s step through some examples.
By Alide Elkink – 1 February 2014, Build 140
As demolitions ramp up in Christchurch and Auckland, there will be plenty of situations where asbestos is encountered. The onus is on contractors to check for asbestos and to have a plan in place to deal with it if found.
By Ed Soja – 1 April 2014, Build 141
When residential buildings have a wall less than 1 m (or sometimes 5 m) from the boundary, there are requirements for the boundary walls to have specific fire resistance ratings (FRR) and exterior surface finishes.
By Stuart Park – 1 June 2014, Build 142
Concrete screw-type anchors are increasingly used as a quick, simple and effective method for fixing bottom plates to concrete slabs.
By Roger Shelton – 1 June 2014, Build 142
Verge overhangs are the areas of a timber-framed roof that are most vulnerable to wind damage, so it’s important to get them right.
By Alide Elkink – 1 December 2014, Build 145
Stricter enforcement of work at height is now in force. As work ramps up, it’s time to get to grips with scaffolding best practice.
By Trevor Pringle – 1 February 2014, Build 140
Good detailing of the roof wall junction for lean-tos is important for the weathertightness of a building, but this junction can present some challenges.
By Trevor Pringle – 1 June 2014, Build 142
A BRANZ slab-edge insulation detail has been revised, minimising the width of the thermal break.