Vapor barrier/ Green Building & Sustainable Home Renovation Information & Advice

...vaporsemi-permeable interior finishes. The following main principles are recommended: Avoidvaporbarriers wherevaporretarders will work, avoidvaporretarders wherevaporpermeable materials will work. Avoid the installation of avaporbarrieron both sides of the wall assembly. Avoid using poly, foil fac...

...barriers andvaporbarriers The job of avaporbarrieris to preventvapordiffusion, and the job of an airbarrieris to stop air leakage through differences in air pressure. A wall system should have onevaporbarrier, but can have many airbarriers. Avaporbarriercan act as a very effective airbarrier, but an a...

...VaporBarrier+ Air-Con = Damp Moldy Walls So here's a little known fact that most HVAC installers won't tell a potential new client for central air; Polyethylenevaporbarriers in combination with air conditioning in homes can rot walls because of the condensation they may cause. This is why if you have a newer home...

...barrierand vapourbarrier, and eliminating the need to install a separate product to do that job. One of the benefits of OSB as an airbarrieris that it is solid. A polyethylene or foil airbarrier用锋利的工具轻轻一碰就能轻易刺穿，甚至在不知不觉中。相比之下，不太可能……

...barriers and rainscreens play in a wall, choosing the right products and installation tips for optimum performance. They're officially known as water-resistivebarriers or WRBs, sometimes weather-resistivebarriers, but in practical terms they are more commonly called housewraps and weatherbarriers. With so many opt...

...vaporis carried into our walls by air leakage than is carried byvapordiffusion. That makes airbarriers 100 times more important than vapourbarriers, so why is no one talking about them? We don't talk about airbarriers because we are too busy talking aboutvaporbarriers. An airbarrieris not something you walk...

...barrier, we used a 10 milbarrierand a radon evacuation stack to lower radon gas levels in homes, research shows (see below) that thicker membranes offer more effective protection. In this video we are installing a 10 mil vapourbarrierbut we would probably use a thickvaporbarrierlike this one in future as the c...

...barriers and vapourbarriers: The job of a vapourbarrieris to prevent vapour diffusion and the job of an airbarrieris to stop air leakage through differences in air pressure between inside and out. A wall system should have one vapourbarrier, but can have many airbarriers. A vapourbarriercan act as a very eff...

...Vaporbarriers on basement insulation will rot your walls " We put vapourbarriers in basement wall assemblies to keep moisture from getting into them, as if they didn't already contain thousands of litres of water. Polyethylene won't keep foundations dry, they are already soaking wet. All it will do is prevent the t...

...vaporbarrierand airbarrier11 7/8" TGIs (I-joists) as a double-stud wall attached to the exterior of the sheathing (R42) 1.5" ECO4 Wood fiber-board rigid exterior insulation (R4) Weatherbarrier(WRB) Strapping Exterior cladding * Both homes are built on a raft-slab ‘ slab on grade ICF Forming kit ’ wi...

...vaporbarriers , but should be used only where it is sandwiched between two materials (mechanical support, i.e. staples, are required when it is used in this application). It can be used with joint widths up to a maximum of 16mm and accepts up to 10% joint movement. It is very durable, with a life expectancy of up to...