Water Resistive Barriers (WRB), Air Barriers & Vapor Retarders
• Types of Walls, Functions of WRB’s, A ir Barr iers, Vapor
Retarders in Frame Walls
• Code & Industry Standards; How New Developments Effect
Design & A pplication
• Selection criteria & Considerations for different materials
Tom Butt , FAIA , President, Interactive Resources
Founder of Interactive Resources and the director of the firm’s Architecture
Division. More than 40 years of experience with the design of institutional,
residential, commercial and public buildings. Principal-in-Charge of the
firm’s projects involving new and rehabilitated buildings, urban planning
and design, historic preservation, energy conservation and alternative
energy applications for buildings, and forensic and diagnostic architecture.
Moisture Control & Computer Modeling
• Water vapor tr ansmission & condensation in frame building
• Computer based hydroth ermal modeling (WUFIP pro), attributed,
functions & limitations.
• ASHRAE 160 & moisture control considerations
Philip Dregger, PE, RRC, FRCI: President, Technical Roof Services
Roofing, waterproofing, and building envelope expert Philip Dregger is a
Professional Engineer Reistered Roof Consultant, author, and Fellow of
the Roof Consultants Institute with over 30 years investigating, designing,
and providing expert witness testimony regarding roof and waterproofing
systems. Mr. Dregger has special expertise in rooftop solar photovoltaics
(PV), condensation analysis, hygrothermal modeling using WUFI and
ASHRAE Standard 160 criteria, wind damage (hurricanes), and structural
collapse due to inadequate drainage (drains, scuppers).
Application of Building Paper, Felt & Flashings
• Application, att achment, multiple layer lapping and repair
• Code requirements & industry standards for flashings
• Flashing Materials & Applications
• Water Testing Techniques & Standards
Chris Nelson: - Senior Consultant, Technical Roof Services Inc.
Roofing and waterproofing expert and former General Contractor, Westcon
past president, and RCI member with over 37 years’ experience in
construction, investigation, design, and expert witness testimony about
virtually all roof and waterproofing systems. He has special expertise solving
persistent complex leak problems and in flashings (transitions formed of
sheet metal, membrane, sealant, etc.) for roofs, decks, walls, and windows.
Application of Polymeric "House Wrap" & Flashings
• Application, A ttachment, M ultiple Layer Application & Reapair
• AS TM E 2112 & AAMA 2400 Window F lashing Techniques
• Coping F lashing C hoices
Robert Bateman, AIA, B1 - Staff Consultant, Simpson, Gumpertz
Over 30 years of experience in architecture and analysis and design of the
building envelopes. He is a licensed architect and general contractor, and
an ICC certified Building Inspector and Plans Examiner. He specializes in
building envelope waterproofing, new construction peer review, building
project/repair documents. He is the author of numerous articles and the
book, “Stucco Wall Caps: Guide for Flashing Details. Robert helped develop
ASTM E2266 Standard Guide for Design and Construction of Low-Rise
Frame Building Wall Systems to Resist Water Intrusion.
Application of Liquid Applied WRB & Flashings (“Paint on Flashings ”)
• Substrates, Application & Controlling Mil Thickness
• Liquid pplied & Self-Adhered Standards & Material Compatibility
• Testing Results of 13 Liquid Applied Flashings
Charles A . Saul, B1, RWC, RRC, REWC, RBEC - Principal/Senior
Consultant, Aquatech Consultancy, Inc.
Over 30 years of experience as a hands-on designer/general building
contractor prior to offering building science consultation services. He has
been with Aquatech Consultancy since 2004 evaluating commercial,
institutional and residential projects. Mr. Saul most recently earned the title
Registered Building Envelope Consultant (RBEC) from RCI, Inc.; the first to
be conferred this designation in California.
Charlie’s specialties include resolving leaks, window and door installations,
plaza deck waterproofing, roofing, plaster and EIFS, CAD and sketch
detailing, architectural support, litigation and expert witness support. Charlie’s experienced eye and building science curiosity factor in his high success rate for durable solutions.