Patrick talks to Josh Orman, director of marketing and strategy at 3M, about advancements in roofing shingles and how granules are produced, sold, and tested.

The editors discuss straw-bale construction, corded vs. cordless tools, gas space heaters, repairing shrinking molding, and much more in these clips from episodes 150-154.

Patrick talks to Karalynn Cromeens, an attorney who specializes in work for construction firms, about the ways contractors can improve their chance of getting paid, as well as important clauses that should be in their contracts.

Andrew, Ian, and Patrick hear from listeners about low decks and landslides, before taking questions about converting a deck to a screened porch, insulating the floor of a raised addition, and detailing exterior foam insulation.

Keith and Patrick talk about affordable high-performance homes, easy ways to boost home efficiency, and the low-load house Keith built for himself.

Kiley, Ian, and Patrick hear from listeners about carbon footprints and battery-powered riding mowers before taking questions about drippy attic hatches, right-sizing a heat pump, and detailing a crawlspace vapor barrier.

Patrick talks to Bob Behnke, technical service manager for Franklin International about how to get stronger glue joints, picking the right glue for the job, and advances in construction adhesives.

Andrew, Ian, and Patrick hear from listeners about blower-door bargains and ground-source heat pumps before taking listener questions about water moving through concrete block, close-to-grade decks, and custom spreadsheets for estimating.

As one of the founders of the Pretty Good House movement, Dan talks about his shift into building science and why PGH is accessible to everyone from homeowners to builders.

Patrick talks to Cody Finke, CEO of Brimstone Energy, a startup working toward the production of carbon-neutral Portland cement about the amount of concrete we use globally, why it’s a significant source of carbon emissions, and how to make it less polluting.