Mass Timber Moisture Monitoring and Simulation: A Marine Climate Case Study
2024-07-10 17:30 - 20:00 UTC | Powell Street Convention Center, 2000 Powell Street, Second Floor, Emeryville, CA, 94608, United States
Technical Dinner Meeting: 10, July, 2024

Synopsis:

Mass timber is an emerging structural technology with both environmental and architectural benefits. Aggressive moisture protection of mass timber products is generally recommended during installation but can result in significant cost and coordination challenges for builders. Field measurement of wetting and drying of mass timber on built projects is limited in North America.
This presentation will share moisture data taken during a wet winter in the Pacific Northwest during the construction of a six-story, multi-family, Cross-Laminated Timber (CLT) building. We will present a comparison of our field data to corresponding hygrothermal analysis, as well as our Moisture Protection Plan and Moisture Mitigation Plan.

Learning Objectives:
1. Understanding the background of CLT and how it is currently used;
2. Understanding the analysis of moisture content readings correlated to weather conditions from this case study;
3. Understanding the significance of our findings; and
4. Learning how to strategize mass timber project assembly in wet climates for best value and outcomes.
Meet Your Presenter:

Brad is a Principal with 4EA Building Science in Seattle. As an engineer and building scientist, Brad has been specializing in the design of durable and energy efficient building enclosures for nearly two decades. Throughout North America, Brad has consulted on a wide array of different project types and sectors, including high rises, healthcare facilities, cultural institutions, workspaces, affordable housing, and historic landmarks. Much of his current work focuses on the intersection between decarbonization and housing affordability in the built environment.

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Roof Technology and Science II
2025-02-27 - 2025-02-28 | Powell Street Convention Center, 2000 Powell Street, Second Floor, Emeryville, CA, 94608, United States
Roof Technology and Science II
Are you ready to deepen your understanding of roofing technology and design? The Northern California Chapter of IIBEC (International Institute of Building Enclosure Consultants) invites professionals and enthusiasts to a dynamic two-day course covering essential roofing systems, concepts, and practices.
Highlights of the Roof Technology and Science II program include fundamentals of single-ply, polyurethane foam, and protected membrane (PMR) roof systems; basic concepts and terminology of metal roofing; steep roof design and installation of asphalt shingles, tiles, wood shakes, and shingles; building codes; fire testing/ratings of roofing; a basic understanding of wind interaction upon roofing and typical wind ratings; principles of roof asset management, including roof inspections, maintenance, and non-destructive evaluations.
This course provides individuals of differing backgrounds with relevant information about roofing technology and design. The chapters vary in intensity, from basic roofing concepts to advanced specific application principles and theory.
Learning Objectives:

The learner will analyze the principles of roof asset management, including roof inspections, maintenance, and non-destructive evaluations.
The learner will recognize the number of fundamentals of single-ply, polyurethane foam, and PMR roof systems, the number of basic concepts and terminology of metal roofing, and the number of steep roof designs and installation: asphalt shingles, tiles, wood shakes, and shingles.
The learner will develop a basic understanding of wind interaction upon roofing and typical wind
ratings.

Sign up for RTS II Today!

Unburdening Overburden: Considerations for Commercial Roofing
2025-06-12 17:30 - 20:00 | Powell Street Convention Center, 2000 Powell Street, Second Floor, Emeryville, CA, 94608, United States
June 12th Technical Dinner: Unburdening Overburden: Considerations for Commercial Roofing
Presenters:
Rick Kile – Director of Green and Amenity Business at Siplast | Rob Worthing – Managing Principal of RW Material Representatives, LLC
Synopsis of Presentation:
Once thought to be a “burden” for roofing system, overburden benefits are increasingly emerging as a roofing advancement that’s here to stay. This presentation explains why selection of the overburden system is only part of the design; selection and design of the roof membrane is critical for a long-lasting performance.
Learning Objectives:

Define what is meant by “overburden” on a rooftop.
Differentiate between various overburden options such as vegetative roofs, blue roofs, blue-green roofs, and purple roofs.
Understand roofing considerations for rooftop overburden systems including solar PV arrays.
Recognize how selection and design of the roof assembly is critical for a long-lasting overburden installation.
Review roof assembly design considerations including membrane thickness and color, roof attachment method, presence of a cover board, the importance of continuous control layers, and roof details and flashings.

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October 16th Technical Dinner: Strategic Façade Retrofit Assessments: Early Design Approaches for Aging Façade Precast Systems
2025-10-16 17:30 - 20:00 | Powell Street Convention Center, 2000 Powell Street, Second Floor, Emeryville, CA, 94608, United States
Presenter:
Edlyn joined Stantec in 2019 as a Senior Façade Consultant. With over 18 years of experience, she brings a multidisciplinary approach to building science with a bioclimatic lens due to an architecture background, a master’s in environment and bioclimatic design, and a specialty in facade analytics. She is an expert in facade design, thermal modeling, daylighting, shading optimization, dynamic condensation risk assessment, environmental comfort, and envelope code compliance. Edlyn has also taught in architecture schools on subjects that include sustainability, passive strategies, façade performance, and building energy.
Synopsis of Presentation:
This presentation examines three façade retrofit case studies involving precast panel systems that have been in service for over 50 years. Each project demonstrates a tailored early design approach that balances client goals, thermal performance, and the preservation of existing façade systems’ remaining functionality. From a hospital mid-rise case study to commercial high-rises, the studies examine a range of retrofit strategies, varying from selective window replacement to curtain wall systems. It is supported by parametric energy modeling, in-person assessments, structural evaluations, and collaboration with contractors. Attendees will gain insight into how early-stage analysis and interdisciplinary coordination can guide effective retrofit decisions for aging façades.
Learning Objectives:
1. Identify key factors influencing early façade retrofit strategies including thermal performance, structural integrity, and client-specific requirements.
2. Compare retrofit approaches across different building types and conditions, from partial upgrades to full system replacements.
3. Understand the role of technical tools and assessments such as parametric energy modeling, thermal analysis, and determining selective demolition in shaping retrofit recommendations.
4. Recognize the importance of early collaboration with façade contractors and structural teams to ensure feasibility and performance alignment in retrofit design.
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Sacramento Valley Branch Inaugural Social / Networking Event
2025-11-12 18:00 - 20:00 | Rock & Brew, 1600 Exposition Blvd., Sacramento, CA, 95815, United States
You’re Invited to the SACRAMENTO VALLEY BRANCH Inaugural Networking Social!
Get ready to mix, mingle, and make meaningful connections at the first-ever SAC Networking Social, happening Wednesday, November 12th, from 6:00–8:00 PM at Rock & Brews, Sacramento Cal Expo (1600 Exposition Blvd).
Whether you’re a seasoned industry professional or new to the scene, this is your chance to engage with some of the most talented people in the Golden State. Enjoy complimentary registration, two free drink tickets, and a delicious spread of appetizers and finger foods in a relaxed and welcoming setting.
Want to showcase your brand or services? Tabletop Sponsorships are available for just $300 – an excellent opportunity to get in front of a high-value audience and support the new IIBEC Branch.

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November 13th Solar Ready Roofs That Aren't: Preventing Costly Design Failures in Solar PV Installations
2025-11-13 17:30 - 20:00 | Powell Street Convention Center, 2000 Powell Street, Second Floor, Emeryville, CA, 94608, United States
Event Description
As cities and states nationwide adopt “solar ready” roof requirements, a critical gap has emerged between code compliance and real-world performance. Many roofs certified as “solar ready” have proven anything but—failing catastrophically when solar arrays are installed, sometimes at wind pressures less than half their design ratings.
This presentation examines real-world solar PV projects where essential design and installation assumptions simply fell through the cracks of project communications, resulting in expensive damage and liability. You’ll learn about the limitations of wind tunnel testing, understand the cautions in FM Global standards, and discover how to prevent these failures in your own projects.
Whether you’re a roofing consultant, architect, engineer, or building envelope specialist, this session will equip you with the knowledge to navigate the complexities of solar PV installations and protect both your clients and your professional reputation.
About the Presenter
Phil Dregger, PE, RRC, FELLOW-IIBEC, is Vice President at Salas O’Brien and a seasoned investigator and expert witness specializing in roofing and waterproofing. Phil has investigated damage related to condensation, ponded water, and strong winds including roofs with solar PV. He has expertise in cold storage condensation issues marked by his skill in hygrothermal analysis, including wood decay, biological growth, and corrosion, utilizing tools like WUFI Pro. A recognized figure in the industry, Phil actively contributes through presentations to industry and legal groups and has authored numerous technical articles. His contributions have been acknowledged with prestigious awards including the ASTM D08 William C Cullen Award and the IIBEC Joe Hale Lifetime Achievement Award.
Presentation Synopsis
Cities and States across the US continue to adopt “Solar-Ready” roof requirements along the lines of California’s code mandates. The State of Oregon recently issued a rule amending the Oregon Residential Specialty Code for “Solar Readiness” for all new residential structures. However, it is not always clear what “solar readiness” truly means. Unfortunately, many “Solar Ready” roofs have proven not to be solar ready—at least not for the type of solar array installed over them. This presentation will review solar PV projects where key design and installation assumptions simply fell through the cracks of project communications, with disastrous results.
Learning Objectives
Attendees will gain a better understanding of:

Examples of “solar ready” ordinances and requirements
Roles of different parties involved in typical solar PV projects
Limitations inherent in wind tunnel testing using “rigid” models of panels and roofs
Cautions contained in FM Global LPDS 1-15 regarding installing solar PV over mechanically attached roof membranes
A case history where the solar PV and roof membrane were damaged at wind pressures less than half design

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2025 NorCal IIBEC Holiday Party
2025-12-11 17:30 - 20:30 | Tipsy Golf, 5690 Bay Street, Emeryville, 94608, United States
Join us at TIPSY PUTT in Emeryville for drinks, food, games, and IIBEC FUN!
We appreciate all of our IIBEC members and would love for you to join us! NorCal IIBEC wants to show appreciation for our IIBEC Region’s membership that has supported the Northern California Chapter.
This year, our Chapter is collecting Toys for Tots to give back to the children in our community during the holiday season. Please bring an unwrapped toy if you can! We thank you in advance for your support.
Address: Tipsy Putt; 5690 Bay St., Emeryville, CA
Day: Thursday, December 11th | Time: 5:30 P.M. – 8:30 P.M
If you plan on attending, let us know below:
I am attending!

Sacramento Valley Branch: Sunoptics Plant Tour June 10th!
2026-06-10 10:00 - 12:30 | Sunoptics, 6201 27th Street, Sacramento, CA, 95822

Sacramento Valley Technical Dinner: 2025 Title 24, Part 6 Energy Code changes affecting Nonresidential, Hotel/motel and Multifamily buildings
2026-07-15 05:00 - 19:30 | Rock & Brew, 1600 Exposition Blvd., Sacramento, CA, 95815, United States
Join us for an in-depth review of the 2025 Title 24, Part 6 Energy Code changes affecting Nonresidential, Hotel/motel and Multifamily buildings.
Gina will cover updated requirements for:

Roof, wall, floor, and fenestration assemblies
New construction, additions, and alterations
Embodied carbon requirements under Title 24 Part 11 (CAL Green)

This session is designed to help the AEC professional prepare for upcoming code shifts and understand their impact on design, compliance, and project delivery.
Presenter:
Gina Griffiths Rodda is currently the Owner of Gabel Energy out of Castro Valley, California, and has been in the energy modeling field since 1991. She is an energy analyst performing a wide range of responsibilities in both residential and nonresidential construction pertaining to compliance standards and energy modeling within the United States, while specializing in California Building Code. California local ordinances (or Reach codes) supporting electrification and electric preferred for multifamily, hotel/motel and nonresidential buildings dictates much of the work Gabel Energy provides in Northern California. Gina has worked with Energy Code Ace as a subject matter expert developing and supporting trainings, resources and tools on the Residential and Nonresidential Title 24 Building Energy Efficiency Standards for building department staff, energy consultants, engineers, contractors and architects.
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July 15th Technical Dinner: Electronic Leak Detection: Lessons Learned from ELD Testing and Continuous Moisture Monitoring for Roofing
2026-07-15 17:30 - 20:00 | Powell Street Convention Center, 2000 Powell Street, Second Floor, Emeryville, CA, 94608, United States
Presenter:
With over 25 years of experience in customer service and business administration, Shaun has spent the past decade specializing in Electronic Leak Detection (ELD) for roofing and waterproofing systems. He is an active member of CSI, ASTM, and IIBEC, and has worked extensively with property managers, building owners, contractors, architects, engineers, consultants, manufacturers, and testing agencies on both forensic leak investigations and quality assurance testing for new construction projects. Shaun has delivered hundreds of educational presentations and live demonstrations on ELD technologies across North America. In recognition of his expertise and contribution to industry education, he received the Presenter of the Year Award from the Chicago Chapter of IIBEC in 2020. His professional goal is to promote a clear, practical understanding of Electronic Leak Detection and to help all stakeholders achieve accurate, reliable, and verifiable results in their roofing and waterproofing projects.
Synopsis of Presentation:
This one-hour presentation offers practical insights from 20+ case studies on Electronic Leak Detection (ELD) for roofing and waterproofing. Topics include ELD for quality control, forensic leak investigation, and continuous moisture monitoring. The course covers ASTM D7877 and ASTM D8231 standards, teaching proper testing applications and how to prevent moisture intrusion. By the end, participants will effectively understand ELD for roof quality assurance and maintenance programs.
Learning Objectives:

Explain the science, capabilities, & limitations of Electronic Leak Detection (ELD) in accordance with ASTM Guide D7877 & ASTM Practice D8231.
Analyze & describe common causes of failures in various roofing & waterproofing membranes using real-world examples.
Evaluate potential future design & construction failures by interpreting & applying data gathered from real-time construction moisture monitoring.
Differentiate & recommend appropriate applications of ELD testing & continuous monitoring for risk mitigation/loss control

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2026 - NorCal IIBEC 9th Annual Golf Tournament
2026-08-07 08:00 - 17:00 | Dublin Ranch Golf Course, 5900 Signal Hill Drive, Dublin, CA, 94568
Join us for the 9th Annual NorCal IIBEC Golf Tournament at Dublin Ranch Golf Course in Dublin, California.

This premier event brings together industry professionals for a memorable day of golf, networking, and camaraderie on one of the Bay Area’s most distinctive courses.
As the first and only golf course in Dublin, Dublin Ranch Golf Course offers a unique Robert Trent Jones, Jr. par-63 layout featuring 11 challenging par 3s, five strong par 4s, and two demanding par 5s. With rolling hills, scenic valleys, and panoramic views of Livermore Valley and Mt. Diablo from every hole, the course delivers both a rewarding test of skill and an unforgettable backdrop for the day.
Known for its outstanding customer service, superb course conditions, and smooth, fast greens, Dublin Ranch provides an experience reminiscent of the finest private clubs. Whether you are playing for competition, connection, or simply the enjoyment of the game, the 9th Annual NorCal IIBEC Golf Tournament promises a day well spent with colleagues and friends.
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Sign up to play!
August 7, 2026: 8:30 AM Registration | 10:00 AM Shotgun Start
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