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Green Building News!- Insulating Crawl Space with Existing Vapor Barrier/Radon MitigationShould the existing vapor/radon barrier be removed, rigid insulation added to the walls and earth floor, and then reinstalled (on the 'warm' side)? Or would rigid insulation with taped seams…
- ERV vs Dehumidifier vs Alternatives in Tiny HomeHello all. I've got a tiny house on wheels located near Nelson, BC, and it has frequent moisture problems. I'm trying to determine the best course of action to resolve…
- Air BarrierHello,I'm sure this question will be received with a long sigh, but I have to ask. A good friend of mine just bought a camp on Miles Pond in Concord…
- 366 Green Tint ConcernsWe toured a unit that has Cardinal 366 double pane glass windows and there were reflections of green inside the unit when the sun was shining. See pics. I've also…
- options for fireproofing underside of stairsDo the underside of stair treads need some kind of fire barrier? If so, what are options besides drywall or cementitious board?
- Unbalanced R ValuesHello everyone, I am building a house in climate zone 4A. Due to structural constraints my truss manufacture specifies a 27" deep parallel cord truss. I am using a smart…
- Thoughts on proposed HVAC for detached garage in PortlandWe're starting to build a 1000 sq ft detached garage in Portland (CZ 4C). I'd like to keep the garage at a tolerable temperature in both winter and summer, so…
- Sheathing: plywood+Blueskin vs ZIP systemSo the Advantech sheathing option from my previous discussion is out. Can't get it. So that realistically leaves me with two options: plywood with Blueskin fully-adhered WRB vs. Zip system.…
- Zip system assemblyHiI am currently building a house in Montreal Canada wich is cold in winter and very hot and humid in summer.The wall assembly is:- brick- 1 inch air gap- R6…
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- Insulating Crawl Space with Existing Vapor Barrier/Radon Mitigation