...vapourbarrier.
Ideally we'd have no vapourbarrier in summer; but short of that we should at least have one that allows as much drying to the interior as pos...
...barriers and vapourbarriers:
The job of a vapourbarrier is to prevent vapour diffusion and the job of an air barrier is to stop air leakage through differen...
...barrier. The purpose of the two barriers should not be confused - the job of the vapourbarrier is to control vapour diffusion, the job of the air barrier is to...
...vapourbarriers, so why is no one talking about them?
We don't talk about air barriers because we are too busy talking about vapor barriers. An air barrier is...
...vapourbarrier, we used a 10 mil barrier and a radon evacuation stack to lower radon gas levels in homes, research shows (see below) that thicker membranes offe...
...barrier, but can have many air barriers. A vapor barrier can act as a very effective air barrier, but an air barrier does not (and should not) always stop vapor...
...vapourbarrier. Products rated below those numbers are vapourbarriers, those rated between 1 and 10 perms are considered vapour retarders. The higher the perm ...
...vapourbarrier at 1 inch, and testing shows that EPS foam acts as a vapourbarrier (1 perm) at 2 inches or thicker.
Rock wool insulation batts on basement w...
...vapour permeability and low water retention, such as mineral fibre."
Where to put vapourbarriers (CMHC):
"Materials that act as vapourbarriers (vapour ret...
...barrier / vapourbarrier
For added durability over the commonly used 6-mil polyethylene vapourbarrier, we used a 10-mil barrier instead. The added thickness ...
