In this episode, Colin and Jimmy welcome Bill from Benjamin Obdyke. They discuss moisture in walls, sheathing, and buildings in general. What is a rainscreen? How is that different from a drainable housewrap? How do I protect wood, composite, stucco, vinyl siding, etc? Why should homeowners consider a breathable material? What is the ideal PERM rating? They also talk about roofs and ridge vents. Fifth episode from Behind the Studs Season 3, your go-to home improvement podcast. Hosted by Colin Shaw and Jimmy Driscoll.