Case study: Streamlining the complex residential roof

[Johannesburg, 23 February 2017]: Every so often, a complex residential roof, of average scale and with relatively small truss spans, arrives for design and estimation at a timber roof truss fabricator. While it may not necessarily be of grand scale, even relatively small yet complex projects can cause frustrations to all along the supply chain…

Your roof: Getting it right

Your roof is a structurally important and very costly component in any construction project. The average cost of a roof as a component of the final building cost can easily exceed 25% of the total cost. The cost of repair or replacement will be more than this quoted percentage due to the additional work that…

Life cycle analysis of timber

Life cycle analysis (LCA) is a method of measuring the environmental impacts of building products over their whole life. The aim of a life cycle analysis is to identify, quantify and assess the impact of the energy and materials used and wastes released to the environment throughout the life of a building product. There are…

Regulations and nail-plated timber roofs

The Institute for Timber Construction (ITC-SA) offers some important information regarding regulations and nail-plated timber roofs. When placing your truss order confirm that the truss fabricator holds the current year’s ITC-SA Certificate of Competence. This should be displayed in the office premises. Ensure that the timber is stamped with the designed structural grade value (e.g.…