To control the outward flow of water vapor through above-grade walls, cold-climate builders in the U.S. can use kraft facing, vapor-barrier paint, or a smart vapor retarder like MemBrain. (For …

2005年10月14日 · I have recently installed a vapor barrier of 6 mil polyethylene sheeting on the dirt floor of my crawl space. I have wrapped the sheeting up the concrete block walls about …

2010年8月17日 · The illustration within this article is only half the story as we go from a winter to summer situation. This process of causing condensation by hitting the dew point can occur in …

2012年10月2日 · We just bought a home built in the early 70's. We were replacing some of the subfloor prior to getting new carpet and discovered the vapor barrier thick plastic is …

2000年6月16日 · Multiple layers including mylar and HDPE. I'll see if I can dig it up, but any civil, environmental or landfill engineer might know.I like your idea of lapping the footing vapor …

2002年5月22日 · Where vapor retarders are required, 4mil will be ok. Every insulating contractor I've talked to tells me they would use nothing but kraft faced insulation in their own home. …

The continuous barrier will help prevent vapor diffusion upward from the ground to the concrete. The plastic is held in place by the pressure-treated 2×6 plate along the perimeter. (As I …

2007年3月1日 · As the topic of your post implies, you need a vapor barrier on the inside of your walls. Tyvek does not a vapor barrier make. To the contrary, Tyvek is designed to allow water …

2004年11月1日 · A plastic vapor barrier won’t help you in the first case, and it definitely can make the second worse. Oregon building code considers R-30 a minimum for sloped roofs, which is …

2025年1月24日 · I’ve seen both rigid insulation on the walls then followed by vapor barrier and I’ve also seen vapor barrier to the walls followed by the rigid insulation. my plan was to go up …