High-performance coast to coast
Wednesday, February 26 | 3 PM PT | 60 mins
What does high-performance mean where you live?
Join us for a live R‑Class Roundtable at the ROCKWOOL booth as expert builders from across the U.S. discuss what "high-performance" means in different regions.
Attend the R‑Class Roundtable LIVE at IBS
From local building codes to carbon footprint reduction, the definition varies significantly across the country.
Our builder panelists Nick Schiffer (East), Dagan Koffler (West), Kyle Stumpenhorst (Central/North), and Will King (South) will share real-world insights about regional approaches to high-performance building design and construction.
📅 Event Date: Wednesday, February 26 (Add to Calendar)
⏰ Time: 3PM PT for 60 mins
📍 Location: ROCKWOOL booth #C6730
R‑Class Roundtable Panelists
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Nick Schiffer
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Kyle Stumpenhorst
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Will King
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Dagan Koffler
Nick Schiffer
Nick is the owner of NS Builders in Boston, MA where he leads a team of experienced carpenters, project managers, cabinet makers and apprentices. He started his business in 2014 and has turned it into one of Boston’s most sought-after builders. Constantly challenging himself and his team, there’s nothing standard about their approach.
Kyle Stumpenhorst
Kyle is a custom post-frame builder in Illinois — and a legitimate internet sensation with more than 1.6 million YouTube subscribers. He founded Rural Renovators when he walked away from a corporate job to pursue his true passion for construction. He started making YouTube videos on the job site in 2017, and his relatable style and hands-on expertise have made him one of the most recognizable, respected sources for builder education in North America.
Will King
Former firefighter and homebuilder Will King understands the science behind building structure. Now owner of High Cotton Homes, a high-performance, luxury custom-build company in northwest Alabama, Will creates living spaces that are fire resilient, safe and comfortable. As a Build Show Network contributor, he also shares insights on quality craftsmanship, timeless design and efficiency with viewers. Will brings his passion for building science and fresh ideas to the R‑Class community.
Dagan Koffler
Dagan Koffler founded Dagan Design & Construction Inc. in 2012, specializing in luxury home renovations and custom homes in the coastal towns of North County, San Diego. He is a dedicated advocate for high-performance building practices, ensuring that his clients' homes are constructed with an emphasis on durability and sustainability.
IBS 2025 will be bigger, bolder & better
Join ROCKWOOL at IBS 2025 in Las Vegas, booth #C6730, for an immersive stone wool experience. Discover live demos, meet industry experts, and explore high-performance building solutions for fire, sound, water, and more.