Following feedback on the previous article on bracing ratings (Build 141, pages 39–40), we have rounded the ratings for use on existing and renovated walls for a more user-friendly table.
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.
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.
