Q&A Spotlight -A Pretty Good Wall for Zone 6 - GreenBuildingAdvisor

Q&A Spotlight Q&A Spotlight -A Pretty Good Wall for Zone 6 A builder designing a Pretty Good House in Maine wants to know if a vapor-open wall with wood-fiber insulation the right approach—or are there better options? By Chuck Bickford | March 30, 2026 More Q&A Spotlight Q&A Spotlight: Future-Proofing a New Build Q&A Spotlight: Low-Impact Insulation Options for an Existing Home Q&A Spotlight: What’s the Correct Approach to Insulate a Brick Crawlspace in Zone 4A? Q&A Spotlight: Insulating Second-Floor Eaves and Attic in Duluth In a recent forum post, member “maggielou” (we’ll refer to them as Maggie) writes that they are designing a small “Pretty Good” house in coastal Maine (CZ 6) and are looking for some feedback on their wall assembly.“I’m a carpenter and would be building the house myself with my partner, so I can take the time to do the details right. Besides energy efficiency, my priorities are: healthy building materials, a resilient and long-lasting wall, and simplicity. “For those who aren’t in the know, the “Pretty Good” concept isn’t a half-assed attempt at homebuilding. Pretty Good House refers to a practical approach to high-performance homebuilding that prioritizes efficiency, durability, and simplicity—without the complexity of certification programs.Posed by builder Dan Kolbert as a group discussion, the idea grew in popularity, appearing in a GBA article and ultimately producing the book “Pretty Good House: A Guide to Creating Better Homes”, written by Kolb...