Polyethylene vapour barrier/ Green Building & Sustainable Home Renovation Information & Advice

Vapor retarder latex primer instead of polyethylene sheet
Air and vapour barriers

Replacing polyethylene vapour barriers with latex paint vapor control

...vapourbarrieris mistaken for, and almost entirely relied upon to act as the airbarrier. The purpose of the twobarriers should not be confused - the job of thevapourbarrieris to controlvapourdiffusion, the job of the airbarrieris to control air leakage. 6 mil poly can work effectively as an airbarrierif i...

Finished basements can lead to mold and mildew
Healthy indoor air quality

Why are basements moldy? How to fix or Prevent a Moldy Basement

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

The difference between air barriers and vapour barriers
Air and vapour barriers

The Difference between air barriers and vapor barriers

...barriers and vaporbarriers The job of a vaporbarrieris to prevent vapor diffusion, and the job of an airbarrieris to stop air leakage through differences in air pressure. A wall system should have one vaporbarrier, but can have many airbarriers. A vaporbarriercan act as a very effective airbarrier, but an a...

Poly vapour barriers in air conditioned houses can cause mold and rot
Healthy indoor air quality

Why you should Never Install Air-Con in a Home with a Vapor Barrier

...Barrier+ 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 with ...

Air barriers are essential to a properly functioning wall system
Air and vapour barriers

What is an air barrier?

...barriermembrane applied with a primer © EcohomePolyethylene: For good or bad, almost all home construction in Canada includes apolyethylenevapourbarrier. If that is your method of choice, with a little extra effort it can also act as your airbarrier. For a truly successfulpolyethyleneairbarrier,它是……

Radon and vapour barrier below slab on grade floor
Radon in Homes - Mitigation

Vapour / radon barriers below slab floors

...polyethyleneas a sub-slabvapourbarrier, 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 milvapourbarrierbut we would probably use a thick vapor barrie...

Interior sheathing as air & vapor barriers in wood frame construction
Air and vapour barriers

Interior sheathing as an air and vapour or vapor barrier

...vapourbarrier. Ideally we'd have novapourbarrierin summer; but short of that we should at least have one that allows as much drying to the interior as possible without sacrificing its winter performance. So the closer yourvapourbarrieris to 60NG, the better. For the sake of context it should be noted that poly...

Installing foam panel insulation, which is best?
Insulation and soundproofing

Rigid insulation panels: which ones to use for different applications

...vapourbarrierand a very good one at that, it fact it stops even more moisture than the normal 6 milpolyethylene正常情况下使用。So if you use it on the interior of a high performance stud wall design , you won't need to add an additionalvapourbarrier. Here is the fun part - Since there is foil on either side of t...

阁楼结霜:什么导致阁楼结霜?如何解决?
Roof assemblies - renovation

Why is there frost in my attic? Is ice in roofs a problem & How do I stop it?

...barrier总之,你确实需要一个。This requires lifting insulation, laying down apolyethylenevapourbarrierover the whole surface (it can go up and down over joists) then reinstalling the insulation. Make sure the poly is well-taped at the seams and on the sides as well, it will serve little purpose if it allo...

Correctly installed Triple pane south facing windows on Ecohome's Demo House
Windows and doors

Installing doors & windows for the best performance in high efficiency homes, LEED & Passive House

...VapourBarriers in High Performance Homes - EcoHome Guide Discover the AerobarrierHome & Attic Air Sealing Spray - EcoHome Guide ReplacingPolyethyleneVaporBarriers with Paint - EcoHome Guide

Slab-on-grade construction technical guide
Slab on Grade

Slab-on-grade technical guide

...polyethylenevapourbarrier, we are inviting mold. A slab-on-grade foundation avoids this all together. Why we like slab-on-grade construction Quality of life: Polished concrete slab-on-grade floor © Bala Structures In comparison to a basement, building above ground has the advantage of providing more natur...