What is the BEST rule to follow when notching trusses?

The best rule to follow when notching trusses is to adhere strictly to the engineer's drawings and specifications. This approach ensures the structural integrity and safety of the trusses, as engineers design components with specific loads and stresses in mind. Engineer specifications take into account various factors, including the truss type, materials, load requirements, and overall structural design.

Notching without consulting these drawings can lead to unanticipated weaknesses in the truss system. Each project may have unique requirements, and the engineer’s guidance will provide the necessary limitations on notching to prevent potential structural failure. Following the engineered specifications helps maintain compliance with building codes and standards, which are crucial for safety.