This article summarizes and illustrates the various laws governing Accessibility in California. I have also provided useful links to official documents
Zinc Roofing - attributes, performance, benefits, technical performance, environmental considerations, toxicity
Some notable changes to the California Building Code (effective January 1 2011 & effective January 2008)
I am maintaining this log of changes to the building code in California. I started it with the code change in 2008. It is not comprehensive, but I continually update as I learn.