Investigators concluded that air leaks through poorly sealed seams allowed the condensation of moisture from the exfiltrating air.
Air leak tape siding osb.
To limit air leakage builders use tapes to seal the seams of a variety of membranes and buildings products including housewrap polyethylene osb and plywood.
However in 2001 a cluster of sip failures in juneau alaska highlighted problems with sip sealing methods.
Juneau s failing sips had osb rot near panel seams.
In reading martin holiday s tape test article from march 2013 fine homebuilding i thought that siga wigluv was the clear winner as the best tape for osb sheathing seams.
This treated oriented strand board osb sheathing manufactured by huber engineered woods is becoming a common sight on new houses.
The boxes should be sealed to the drywall before loose fill insulation is installed.
Eric whetzel view gallery 8 images.
Adheres to vinyl plywood osb foam metal aluminum and masonry.
Window and door sealing tape is great for use around doors windows and nailed fins and flanges.
Tapes are also used to seal duct seams to seal leaks around penetrations through air barriers for example to seal around plumbing vents and to seal sheet goods to a variety.
I did an airtightness test on two irish passive house s lately using silicone clamped between the osb and the stud.
Forms a permanent waterproofing air vapor seal around doors and windows that prevents air and moisture leaks.
Even recessed cans that are rated ic and airtight are known to leak.
So i don t think there s any need to paint osb to air seal it its airtight enough already.
Air leaks at recessed can lights often lead to winter ice dams.
Learn how to use siga tape to air seal your house.
But to reach that goal of 1ach50 i ve decided to take a page from the passivehouse playbook and tape my exterior sheathing seams.
Protecto wrap 6 in.
To create a more airtight ceiling construct rigid foam boxes that are air sealed with tape and canned spray foam.
Matt risinger risinger homes in austin tx.