Heavy Timber Kits

For this reason, The California Ignition Resistant Standard says “that is allowed by code.” Section 602.4 Minimum Solid Sawn Wood Member Size Width in Inches Depth in Inches 8 8 6 10 6 8 6 6 4 6 Types for Ignition Resistant Construction Understanding Building Construction Types To identify buildings most likely to fail under a rapid-fire condition, firefighters and particularly ladder-crews, classify buildings into five categories of Types I – Type V. Type I is a fire-resistive building built from non-combustible materials such as steel structure and concrete. Type III can be new or old construction, a brick-and-joist structure, typically a concrete block structure with the framework, floor trusses, and roof built with wood and other combustible material.