Air leakage / Discussions

...air like so many building products these days do. Read more below. After a look over those pages let us know if you have more questions. Aerobarrier Air Barrier Spray for Sealing air leaks in Attics or Homes Whether you're fixing a leak or finishing a renovation, choosing the right sealant for home repairs ensures the ...

I took off the trim around a sliding door during the summer in search of a pesky cricket, I found the cricket but I also found big gaps between window and frame work, it looks like there might be caulking around windows and door on the outside. Now I'm wondering if there is any insulation around any of the  windows and...

...air barrier. This technique helped us reach Passive House performance levels (though we didn’t go for Passive House certification, it's actually a LEED Platinum house), but it helped get our air leakage rate to about 0.6 ACH (here is our air barrier installation video). As for ideal window placement within a wall assem...

...air goes right though the SPF and enters the joints.  I'm considering an additional air seal inside the wall by covering the ceiling with something like Henry Blueskin® VP100 or some peal and stick air barrier that will still allow moisture to dry on the inside as to not have 2 vapour barriers, but stop any air and thu...

...air barrier spray you likely read about here does not stick to vertical surfaces, but it does fill all the holes (up to a certain size), so no other technique is needed. For anyone reading along, this is the article – Aerobarrier home and attic air-sealing spray When a house is pressurized, the fine particles of the Ae...

...airtight barrier. Thanks, Scott The Zip Sheathing System is an air barrier sheathing when the joints are taped as specified by the manufacturer. There should not be any notable air leakage from additional fasteners used to attach insulation that you need to worry about. A nail or screw driven into wooden sheathing will...

...air pressure inside the house, wind will create a negative pressure on the opposite side of a home and draw air from that wall. Air pressure in the home will also be affected by any mechanical exhaust you have like a central vac, stove hood, bathroom fans, etc. The natural stack effect of warm air rising will create a ...

...air barrier in that wall assembly, a peel and stick membrane on the exterior sheathing (seen below).  The confusion over managing air and vapour movement comes from the fact that usually one product (6-mil polyethylene) is  used as both the vapour barrier AND air barrier, but air leakage and vapour diffusion are act...

...air leakage. Insulating chimneys from the outside: Cover the entire stack of bricks with a layer of rigid insulation (rockwool or expanded polystyrene) and half inch-thick plywood, which can then be covered to match the rest of the house. Installing wood stoves with existing fireplace chimneys: By installing batt i...