Format: MP3 Audio Download or Compact Disc

Presenter: Mark Graham

Mark S. Graham, NRCA's vice president, technical services will provide an overview of industry guidelines and code requirements regarding the use of air retarders, vapor retarders and attic ventilation as roof assembly components.? Included in the discussion will be helpful tips and identification of pitfalls in code requirements that can result in undesirable consequences.?? Time will be allotted to answer related questions from audience participants.?

1. Identify code requirements for and how to properly design and install air retarders.
2. Identify code requirements for and how to properly design and install vapors retarders.
3. Become knowledgeable of various code requirements for and how to properly design attic ventilation in steep-slope roof assemblies.
4. Become knowledgeable of changing code requirements for and how to properly design and install unvented attics in steep-slope roof assemblies.