Building Transparent:
A Low Carbon Future with Masonry  

Tuesday, October 7, 2025 | 12-1 p.m. Eastern Time
1 LU/HSW

Join us to learn about the sustainability of masonry construction and its vital role in reducing carbon emissions. Explore  techniques and materials that align with low-carbon building initiatives, providing solutions for energy-efficient, eco-friendly, durable designs. Hear insights from Building Transparency, a nonprofit organization dedicated to providing open access  data and tools that reduce the embodied carbon of construction projects. Learn how their EC3 (Embodied Carbon in Construction Calculator) tool empowers architects, engineers, and contractors to make informed material choices by evaluating the embodied carbon of products and materials throughout the project lifecycle. 

EC3 tool image

Image by Building Transparency.

 Learning Objectives:

  • Explore how the EC3 tool contributes to reducing embodied carbon in construction projects by fostering data-driven material choices. 
  • Identify masonry materials that promote eco-friendly and energy-efficient designs. 
  • Integrate actionable strategies for evaluating and reducing embodied carbon in masonry. 
  • Leverage tools and resources for practical implementation to support transparency and sustainable outcomes. 

About the Speaker

Vaclav Hasik
Program Director, Building Transparency

VaclavVaclav Hasik is a Program Director at Building Transparency, a non-profit organization behind the EC3 Tool, tallyLCA, and tallyCAT. Vaclav works on methodology, data quality, and LCA research supporting all three tools. Vaclav was previously a sustainability analyst and Life Cycle Assessment (LCA) expert at Urban Fabrick, where he managed projects pursuing LEED certification and helped design teams address embodied carbon through whole-building LCAs. Vaclav also worked as a researcher at the University of Pittsburgh, where he was involved in university-wide carbon accounting, sustainability planning, and research on data and methods for LCA of buildings. He is an active member of the Carbon Leadership Forum and a founder of its San Francisco Bay Area hub.

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