In this episode of the Hemp Build Podcast, host Ray Kaderli is joined by Tim Callahan of Callahan Home Designs to discuss the landmark inclusion of hemp-lime (hempcrete) into the International Residential Code (IRC).

What if insulation could be healthier, safer, and climate-positive—without changing how buildings are designed or built? In this episode of the HempBuild Podcast, host Ray Kaderli is joined by Mattie Mead, co-founder of Hempitecture, and Annie Ball, LEED AP BD+C and material researcher, for a deep dive into hemp-based insulation and low-carbon building envelopes. They break down how

What really happens between a hemp field and a hemp house? In this episode of the Hemp Build Podcast, host Ray Kaderli goes inside the Cleburne, Texas facility of CannaVision with CEO David Russell to show how industrial hemp is processed into consistent, construction-ready materials.

What if your flooring could be harder than hardwood, healthier for your family, and better for the planet—all at the same time? In this episode of the Hemp Build Podcast, host Ray Kaderli sits down with Greg Wilson, founder of HempWood, to explore how agricultural hemp is being transformed into high-performance flooring, cabinetry, and architectural panels—without the toxic chemicals found in most conventional building products.

What does it actually take to engineer a hempcrete building that passes inspections, performs structurally, and holds up over time? In this episode of the Hemp Build Podcast, host Ray Kaderli sits down with Mark Benjamin, founder of Crown Jade Design & Engineering in Colorado, to talk candidly about the realities of engineering hemp-based buildings in the U.S.

A rare inside look at how U.S.-grown industrial hemp becomes a consistent, safe, performance-verified building material. Featuring Mellissa Nelson of Great Bend KS-based South Bend Industrial Hemp.

Architect David Milburn, builder Eric Milburn, and carpenter/framer Tanner Bowman discuss how hemp-lime assemblies interface with conventional framing, how early-stage collaboration reduces risk, and how natural materials can improve building durability, indoor environmental quality, energy performance, and life-cycle carbon outcomes.