...differencebetweenairbarriersandvapourbarriers
The job of a vapour barrier is to prevent vapour diffusion, and the job of an air barrier is to stop ai...
...differencebetweenairbarriersandvapourbarriers:
The job of a vapour barrier is to prevent vapour diffusion and the job of an air barrier is to stop ai...
...air conditioned house is colossally stupid. - J.L.
Moisture-impenetrable vapourbarriers work great in winter and, before air conditioning and heavily i...
...vapour is carried into our walls by air leakage than is carried by vapour diffusion. That makes airbarriers 100 times more important than vapourbarriers, so w...
...and-stick' membranes, and if you'd like a fancier word for them, go with this - self-adhering airand water-resistive barriers.
Peel-and-stick vapour-pe...
...airandvapour permeance. By moving the sheathing to the inside, you are simply letting it live up to its full potential as an air barrier andvapour barrier, a...
...differences in warm months are really only a cost and durability concern if you use air conditioning.
Negative air pressure in summer will draw air in and ...
...airtight. Before that we generally relied on leaky uninsulated walls to provide fresh airand prevent mold and mildew, and they did that very well.
Cost an...
...vapour permeability and low water retention, such as mineral fibre."
Where to put vapourbarriers (CMHC):
"Materials that act as vapourbarriers (vapo...
...and a vapour barrier. Notice the differencebetween the studs against the foundation and the studs that formed an interior division wall; the vapour barrier did...