Below grade waterproofing is becoming increasingly important as occupants, owners and warranty providers are less tolerant to water ingress into below grade structures and local jurisdictions are increasingly limiting rain and storm water discharge. There are various water management methodologies and waterproofing systems available to provide protection against water ingress of foundations.
Chapter 15 of the IBC and the Oregon Specialty Structural Code addresses the code requirements for the design and construction of roof assemblies.
This presentation will discuss the basic attributes of different roofing systems and the key considerations to choosing a roofing system.
Multi-family buildings are commonly ventilated using corridor pressurization based ventilation systems. This presentation will use a recent Pacific Northwest based case study to examine why this type of system is often inefficient and ineffective, and will demonstrate why alternative systems should be considered.