Recent Q&A

• Fastening House Wrap to Insulated Concrete Form Assembly

  Building an icf house. As with the rest of everything my windows are at least 12 weeks out. I have to wrap the gables (covered in cdx) with housewrap anyway…

• Radon abatement for a shop

  I'm building a 1500 sq ft shop with a couple big garage doors. Above the shop is labeled future office for permitting. I plan to use it for storage or…

• Details for Crawlspace Rat Slab

  Code in my area (4C) calls for r 38 under the main floor. It's a daylight basement and I was planning on a rat slab in the vented crawl area.…

• Can site built roof venting be taller than 2″?

  I've been reading through a lot of the articles here about venting roof properly. The diagram on the first pic in this link is pretty close to my idea of…

• Airtight drywall/thermal break w/icf

  I have this detail in my plans and basically have two questions. One is on the airtight drywall approach. Given the exterior walls are icf, my main areas to pay…

• How necessary is air conditioning in an ICF house with decent shade and roof overhangs?

  Oh man, where do I start... I'm building a daylight basement 2700 sq ft icf house climate 4c close to Portland Oregon which will be my full time job. Since…