Search results for 'wind loads'

Holding down roofs

By Roger Shelton – 1 June 2006, Build 94

Securing roofs against wind uplift is a crucial step in the building process. Fortunately the cost of doing so adds very little to the overall cost of the building.

Joining roof trusses

By In Ling Ng – 1 October 2015, Build 150

Most timber trusses are delivered to site as one-piece building components. However, occasionally they are delivered in sections and must be joined on site. Correct installation of these is critical to maintain the designed load paths.

Periphery roof areas

By Roger Shelton – 1 June 2008, Build 106

The area around the edge of a roof requires extra fixings to stop it lifting, but how much of the total roof area needs these extra fixings?

Gable end trusses

By In Ling Ng – 1 April 2017, Build 159

There have long been questions about whether a single gable end truss is suitable for fixing cladding to and, if so, what is the maximum height before a 2-ply gable end truss is required? For the answer, we look at the design of gable end trusses.

Braced wall bottom plate to concrete slab connections

By Greg Burn – 1 February 2021, Build 182

Proprietary wall bracing systems are commonly used to brace a building, but how are braced walls connected to a concrete slab? We look at both NZS 3604:2011 and proprietary wall bracing elements requirements.

Bracing light timber-framed roofs

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.

Installing windows

By Trevor Pringle – 1 June 2008, Build 106

Installing windows can be tricky, but there’s plenty you can do to make it easier.

Bottom plate anchors

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.

Scaffolding in the frame

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.

Structurally fixed cavity battens

By Alide Elkink – 1 June 2016, Build 154

The larger shank diameter of fixings used to fix weatherboards over a cavity can cause splitting. One way to get around this problem is to fix timber cavity battens directly to the structural framing.

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