One method for deriving fire resistance ratings while avoiding expensive fire testing of countless assembly variations is the “Component Additive Method.” Also known as CAM, this methodology was developed in the 1960s and has since become familiar and acceptable to many code officials.
These files are in PDF file format and require a PDF reader to view. You can download Adobe Reader for free.
| CAM Summary (90 KB) | |
| Component Additive Method (CAM) Guide (794 KB) |