Typical industry standard recommendation for slate replacement is at a 20% or more failure threshold. There are no field or lab tests that currently predict the remaining lifespan of existing weathered slate. However, ASTM C406 Standard Specification for Roofing Slate establishes the “grade” of new roofing slate, associated with projected life expectancy.
LEED v5 introduces innovative changes that enhance building performance by emphasizing decarbonization, quality of life, and ecological conservation. This presentation will address the new Fundamental and Enhanced Commissioning requirements for building enclosures, comparing them to LEED v4 and v4.1.
This course provides an overview of sheet metal detailing and fabrication, including a review of the SMACNA manual. The presentation will take an in depth look at the fabrication process, industry standards for selection of gauge and material for various applications, and common deviations from industry practices in construction documents.
For our March 4, 2025 Portland BEC meeting, we are excited to extend an invitation to you for a guided tour of General Sheet Metal’s state-of-the-art sheet metal fabrication facility located at 16345 SE Evelyn St, Clackamas, OR 97015.